Quick Answer: Choosing the Best Music Production Cpus
The critical factors to evaluate when choosing Best Music Production CPUs in 2026 are core architecture and clock speeds for low-latency DAW operation, memory capacity and storage speed for large session files, thermal design for sustained loads, and overall system expandability. We reviewed top-rated models spanning entry-level to professional options to identify those that deliver reliable processing power for…
Pros
- Extremely high core count for workstation-class multi-threaded performance.
- Large 320MB cache supports demanding productivity and content creation workloads.
- Broad connectivity with 80 usable PCIe lanes and quad-channel DDR5 RDIMM support.
- Unlocked processor with automatic overclocking support.
Cons
- 350W TDP means it needs a very capable cooling and power setup.
- Cooler is not included, so buyers must budget for a separate solution.
- DDR5 RDIMM support is more specialized than standard desktop memory, which can narrow compatibility for some builds.
Overview: The AMD Ryzen Threadripper 7980X is a high-end workstation processor designed for creators, engineers, developers, and other users who need extreme multi-core performance. Its 64-core design and large cache signal a platform built for serious productivity workloads.
Performance: With a 5.1 GHz max boost, 320MB cache, quad-channel DDR5 RDIMM support up to 1TB, and 80 usable PCIe lanes, this CPU is built to handle demanding tasks that benefit from both compute power and broad expansion bandwidth. It is also unlocked and includes automatic overclocking support for users who want more tuning flexibility.
Considerations: This is not a casual desktop upgrade. The 350W TDP means cooling and power delivery matter, and the fact that a cooler is not included adds another purchase to the build. Support for DDR5 RDIMM memory also makes it better suited to professional systems than mainstream consumer setups.
Verdict: The Threadripper 7980X makes the most sense for buyers whose work regularly pushes CPU cores, memory capacity, and PCIe bandwidth to the limit. It offers workstation-class scale, but it is best for users who are prepared for the cost and hardware demands of this platform.
Pros
- Very high core and thread count for demanding multi-threaded workloads.
- Large cache and high boost frequency support both throughput and responsiveness.
- Strong platform expansion potential with 80 usable PCIe lanes.
Cons
- Cooler is not included, so an appropriate cooling solution must be purchased separately.
- 350W TDP indicates substantial power and thermal requirements.
- Requires DDR5 RDIMM memory, which is more specialized than standard desktop RAM.
Overview: The AMD Ryzen Threadripper 7970X is a high-end 32-core, 64-thread processor built for workstation-class systems. It is aimed at users who need heavy multi-threaded performance, strong memory support, and a platform with serious expansion potential.
Performance: With up to 5.3 GHz max boost, 160MB of cache, quad-channel DDR5 RDIMM support up to 1TB, and 80 usable PCIe lanes, this CPU is designed for demanding workloads such as content creation, rendering, and advanced productivity setups.
Considerations: The 350W TDP means this processor needs robust cooling and power delivery, and a cooler is not included. It also relies on DDR5 RDIMM memory, which is less common than standard consumer desktop memory.
Verdict: This processor is best suited to professionals building a serious workstation around high parallel performance, large memory capacity, and broad I/O bandwidth. It is a powerful choice, but it makes the most sense for advanced users with compatible hardware and a clear need for this level of capability.
Pros
- 16 cores provide strong parallel-processing potential for workstation tasks.
- Designed specifically for desktop workstation use, not just general-purpose computing.
- Belongs to the Threadripper PRO 9000 WX-Series, which is positioned for high-end professional builds.
- Matches the needs of users who depend on multi-threaded performance for creative and engineering workloads.
Cons
- The listing does not include clock speeds, cache details, or benchmark data, so exact performance cannot be judged from the product page alone.
- Compatibility requirements are not listed, so buyers must verify motherboard, socket, and cooling support separately.
- This is a premium workstation CPU, so it may be more processor than is needed for everyday or lightweight use.
Overview: The AMD Ryzen Threadripper PRO 9955WX is a 16-core desktop workstation processor in the Ryzen Threadripper PRO 9000 WX-Series. It is aimed at professionals who need a high-end CPU for demanding creative and technical work.
Performance: With 16 cores, this chip is designed to help speed up multi-threaded workloads such as rendering, design tasks, simulation, and compiling. The listing positions it for artists, architects, and engineers who benefit from stronger workstation throughput.
Considerations: The product data does not include clock speeds, cache, power draw, or benchmark results, so exact performance tuning and platform requirements cannot be confirmed here. As a workstation CPU, it is best suited to compatible high-end desktop builds rather than casual systems.
Verdict: If you are building a professional workstation and want a 16-core AMD processor from the Threadripper PRO 9000 WX-Series, the 9955WX is a focused option. Buyers who need verified specifications such as motherboard support or cooling should check the full platform details before purchase.
Pros
- High-end gaming CPU with 3D V-Cache and a large 104 MB combined cache
- AM5 motherboard platform offers forward-looking upgrade potential
- DDR5-6000 CL30 RAM is a strong performance match for Ryzen gaming systems
- Bundle simplifies compatibility planning by pairing CPU, motherboard, and memory together
Cons
- No CPU cooler is included, so buyers need to source their own cooling solution
- ATX motherboard size requires a case with full-size motherboard support
- 32GB of RAM is enough for most gaming builds, but some heavy creator workloads may want more
Overview: The Micro Center CPU Motherboard Memory Combo combines the AMD Ryzen 7 9800X3D, ASUS TUF Gaming B850-PLUS WiFi, and KLEVV CRAS V RGB DDR5 32GB kit into one AM5-focused desktop upgrade path. It is aimed at builders who want a high-performance gaming platform with matching core components.
Performance and features: The Ryzen 7 9800X3D brings 8 cores, 16 threads, a 5.2 GHz max boost, and 104 MB of combined L2 plus L3 cache, which makes it well suited to demanding games and fast everyday responsiveness. The motherboard adds PCIe 5.0 support, three M.2 slots, Wi-Fi 7, and Bluetooth 5.4, while the DDR5-6000 CL30 memory is tuned for strong gaming performance and multitasking.
Drawbacks and considerations: This is a premium bundle, so it is most compelling when you want to build around these exact parts rather than buy each item separately. It does not include a CPU cooler, the motherboard is ATX, and 32GB of RAM may be limiting for some heavy productivity or creation workflows.
Verdict: If you are building a high-end AMD gaming PC and want a fast CPU, modern connectivity, and a well-matched memory kit in one package, this combo is a strong fit. It is best for enthusiasts who value performance, upgrade flexibility, and simplified part selection.
Pros
- Matched CPU, motherboard, and RAM combination reduces compatibility guesswork.
- Ryzen 7 7800X3D is a proven high-end gaming processor with 120W TDP and unlocked memory overclocking.
- DDR5 6000 CL30 memory is a strong speed and latency balance for AM5 systems.
- ASUS TUF B850 platform offers current-gen features like Wi-Fi 7, Bluetooth 5.4, and PCIe 5.0.
Cons
- This is a premium bundle, so it may be more than casual users need for basic PC tasks.
- The package does not include a graphics card, storage, case, power supply, or CPU cooler.
- Requires AM5-compatible components and DDR5 memory, so it is not a drop-in upgrade for older platforms.
Overview & Design: The Micro Center 3-in-1 Combo combines an AMD Ryzen 7 7800X3D processor, ASUS TUF Gaming B850-PLUS WiFi motherboard, and KLEVV CRAS V RGB 32GB DDR5 memory. It is a purpose-built AM5 bundle aimed at users who want a coordinated core platform without sourcing each part separately.
Performance & Key Features: The Ryzen 7 7800X3D offers 8 cores, 16 threads, up to 5.0 GHz boost, and a large 104 MB cache, which makes it well suited for gaming and other latency-sensitive workloads. The motherboard adds PCIe 5.0 support, Wi-Fi 7, Bluetooth 5.4, multiple M.2 slots, and a robust 14+2+1 power design, while the DDR5 6000 CL30 memory kit gives the system fast, modern memory performance.
Drawbacks & Considerations: This bundle is designed for AM5 systems, so it is not compatible with older AMD platforms. It also does not include other major build components such as a graphics card, storage, power supply, case, or CPU cooler, so buyers should plan for the rest of the build separately.
Verdict: This combo is a strong fit for gamers and builders who want a high-performance AM5 foundation with minimal compatibility concerns. It offers a well-matched set of core components, but it makes the most sense for users who will take advantage of its premium gaming-focused parts.
Pros
- 16-core design is well suited to demanding multitasking and production use
- High boost speed up to 5.7 GHz supports strong peak performance
- Built on Zen 5 architecture for a current-generation desktop platform
- Compatible with AM5 systems
Cons
- Requires an AM5-compatible motherboard, so it is not a drop-in upgrade for older platforms
- The provided listing does not include details such as cache, TDP, or bundled cooling
- Its high-end feature set may be more CPU than casual users need for basic computing
Overview: The AMD Ryzen 9 9950X3D is a 16-core desktop processor built on the Zen 5 architecture and designed for gaming and content creation. It comes as a boxed processor for AM5-based desktop systems.
Performance: With a base clock of 4.3 GHz and boost clocks up to 5.7 GHz, this CPU is aimed at users who need both strong multitasking and fast peak performance. The combination of high core count and high boost speed makes it a practical choice for demanding workloads such as gaming, streaming, and creative apps.
Considerations: The listing does not provide key build details such as cache, TDP, or included cooling, so buyers may need to confirm compatibility and cooling plans before purchase. It is also limited to AM5 systems, which may matter for older builds.
Verdict: The Ryzen 9 9950X3D is best for enthusiasts who want a high-end CPU for both gaming and content creation on the AM5 platform. Users with lighter everyday needs may not need this level of processing power.
Pros
- 12 cores provide strong headroom for multitasking and creative workloads.
- Designed for both gaming and content creation use cases.
- Premium Ryzen 9 tier suggests a high-performance desktop processor.
- Straightforward model naming helps buyers identify the exact CPU variant.
Cons
- The provided listing does not include clock speeds or cache details.
- Socket compatibility and power requirements are not listed in the supplied data.
- No bundled cooler or accessory information is shown in the product data.
Overview: The AMD Ryzen 9 9900X3D is a 12-core desktop processor positioned for gaming and content creation. It sits in AMD's Ryzen 9 lineup, which signals a premium, performance-focused CPU for demanding users.
Performance: With 12 cores, it is built to handle multitasking, creative workloads, and modern gaming sessions in one system. The X3D model name and gaming plus content creation positioning make it especially relevant to buyers looking for one processor that can cover multiple high-load tasks.
Considerations: The provided product data does not list clock speeds, cache details, socket compatibility, or included accessories. That means shoppers will need to confirm platform fit and system requirements before buying.
Verdict: The Ryzen 9 9900X3D is best suited to enthusiasts, gamers, and creators who want a high-end 12-core CPU from AMD. It is most compelling for buyers who value a single processor for both play and production workflows.
Pros
- 16 cores offer strong parallel-processing capability for productivity and multitasking.
- Built on Zen 3, a well-known architecture in AMD's Ryzen 5000 Series.
- Clear desktop focus for enthusiast-level builds.
- Tray listing may appeal to builders who prefer OEM-style sourcing.
Cons
- The provided data does not include key details such as clock speeds, cache, or TDP.
- Packaging information is inconsistent in the supplied listing, which may confuse buyers.
- Bundled accessories and cooler inclusion are not specified in the product data.
Overview & Design: The AMD Ryzen 9 5900XT 16-Core Processor Tray is a desktop CPU from the Ryzen 5000 Series, built on Zen 3 and aimed at enthusiast systems. It is positioned as a high-core-count option for users assembling a performance-focused PC.
Performance & Key Features: With 16 cores, this processor is well suited to workloads that benefit from parallel processing, including multitasking and other demanding desktop tasks. Its Zen 3 architecture and Vermeer lineage place it within AMD's established high-performance desktop family.
Drawbacks & Considerations: The supplied information does not list clock speeds, cache, TDP, or bundled accessories, so buyers should confirm those details before purchasing. The listing also mixes tray and boxed wording, which may create uncertainty around packaging.
Verdict: This CPU is best for enthusiasts, builders, and integrators who want a 16-core Ryzen 5000 desktop processor and already have the rest of their platform planned. It offers the most value when multi-core capability matters more than a complete retail bundle.
Pros
- High 24-core count for a mainstream desktop processor.
- Supports DDR5 and PCIe 5.0 for current-generation builds.
- Box version included for standard retail installation.
- Strong peak clock speed up to 5.50 GHz.
Cons
- Requires an LGA 1851 motherboard, so it is not compatible with older Intel platforms.
- 125W processor-based power suggests it may need capable cooling and power delivery.
- Amazon.co.jp exclusive availability may limit purchasing flexibility outside that marketplace.
Overview: The Intel Core Ultra 7 Processor 270K Plus is a boxed Arrow Lake desktop CPU for the LGA 1851 platform. With 24 cores split between 8 performance cores and 16 efficiency cores, it is designed for modern PCs that need strong multitasking headroom.
Performance and features: The processor advertises boost speeds up to 5.50 GHz, 36 MB cache, and 40 MB L2 cache. It also supports DDR5 memory plus PCIe 5.0 and 4.0, making it a solid match for fast storage, current graphics cards, and Intel 800-series motherboards.
- Platform: LGA 1851 and Intel 800-series chipset support
- Memory: DDR5 compatible
- I/O: PCIe 5.0 and PCIe 4.0 support
- Power: 125W processor-based power
Drawbacks and considerations: This is not an older-socket upgrade, so buyers need a compatible motherboard. The 125W power rating also means the system should use appropriate cooling and power delivery, especially in sustained workloads.
Verdict: Choose this processor if you are building a new Intel desktop on the LGA 1851 platform and want a balanced mix of gaming speed, productivity performance, and next-generation connectivity. It is less suitable for users looking for a simple drop-in upgrade.
Pros
- Strong 12-core, 12th Gen Intel desktop architecture
- Built-in UHD Graphics 770 with support for up to 4 monitors
- Large 25 MB L3 cache for better workload handling
- Hyper-Threading improves parallel task performance
Cons
- The 2.10 GHz base clock may feel modest for users chasing the highest stock speeds
- Integrated graphics are practical, but not a substitute for a discrete GPU in demanding gaming or creative work
- Requires an LGA-1700 motherboard, so platform compatibility must be checked before purchase
Overview: The Intel Core i7-12700 is a 12th Gen desktop processor in Intel's retail pack format, designed for LGA-1700 motherboards. Its 12-core layout and 25 MB L3 cache give it a strong foundation for general performance.
Performance: With Hyper-Threading and Intel UHD Graphics 770, this CPU is built for smooth multitasking, office work, and other demanding everyday workloads. Support for up to 4 monitors also makes it appealing for workstation-style setups.
Considerations: The integrated graphics are useful for basic display output, but buyers who want serious gaming or heavy creative performance should pair it with a discrete GPU. Compatibility also depends on the right LGA-1700 motherboard.
Verdict: This is a solid choice for users who want a capable Intel desktop CPU with built-in graphics and a balanced feature set, as long as they are comfortable working within the LGA-1700 platform.
What to Look for When Choosing Best Music Production CPUs
Selecting effective Best Music Production CPUs requires a structured approach centered on real production needs rather than peak theoretical scores. The following criteria break down the most important decision points based on how modern DAWs such as Ableton Live, Logic Pro, and FL Studio utilize processor resources. Each factor includes practical guidelines drawn from specification analysis of the top-rated models under review. Readers comparing setup options can review our technical analysis on custom cpu fan curve. For complementary hardware performance, examine our breakdown on cpus for data analysis.
Core Count and Multithreading Performance
Music production workloads scale efficiently with higher core counts because DAWs distribute track processing, effects, and virtual instruments across available threads. A minimum of four cores with Hyper-Threading or equivalent remains a baseline for mid-sized sessions, while six to eight cores better support large orchestral libraries and real-time collaboration. When reviewing the listed options, the Dell Precision 3620 configuration stands out with its Intel i7-6700 processor offering four cores and eight threads capable of boosting to 4.0 GHz, providing a solid foundation for concurrent track rendering. Controllers and adapters in the set often rely on host system cores, so pairing them with adequate multithreading prevents buffer underruns. Readers comparing setup options can review our technical analysis on custom cpu fan curve.
Practical guideline: calculate expected track count multiplied by average plugin instances. Sessions exceeding 40 tracks typically benefit from processors supporting at least eight simultaneous threads. Lower-core devices may still serve portable sketching or sample triggering when host resources are managed carefully. This metric also influences future software updates that increasingly leverage parallel processing. For complementary field maintenance guidelines, examine our breakdown of how to choose cpu cooler.
Clock Speed, Cache, and Single-Core Efficiency
While multi-core capacity handles bulk work, single-core clock speed determines responsiveness for real-time monitoring, MIDI processing, and certain legacy plugins that remain single-threaded. Target base clocks above 3.0 GHz with turbo frequencies reaching 4.0 GHz or higher for smooth operation at low buffer sizes. The Intel i7-6700 in the primary workstation model meets this with its 3.4 GHz base and 4.0 GHz turbo, alongside 8 MB of cache that reduces latency when accessing sample data. Other entries such as the Native Instruments Maschine Mk3 and Akai Professional MPC Studio depend on the host CPU for final rendering, making host clock speed equally critical.
Recommendation: prioritize models or pairings that advertise both high turbo clocks and sufficient L3 cache. Devices lacking published CPU details should be evaluated strictly by their role as controllers or accessories rather than primary compute engines. Maintaining buffer sizes under 128 samples during tracking becomes more reliable with stronger single-thread performance. To evaluate matched hardware tolerances, consult our detailed overview of thermal paste shelf life.
Memory Support, Storage, and Expandability
Large sample libraries and multi-track projects quickly consume RAM, so 32 GB of DDR4 or better represents a practical minimum for professional work. Storage combinations of SSD for the OS and projects plus HDD for archives reduce load times dramatically. The Dell Precision 3620 unit ships with 32 GB DDR4 and a 512 GB SSD plus 2 TB HDD configuration, delivering immediate expandability for music producers. Controllers like the Akai Professional MPC Studio Black focus on USB connectivity and onboard LCD workflow rather than internal expansion, while the Dasaita AI Box provides 8 GB + 128 GB of its own storage for mobile use cases. For complementary field maintenance guidelines, examine our breakdown of how to choose cpu cooler.
Guideline: verify dual-channel memory support and available DIMM slots before purchase. SSD read speeds above 500 MB/s keep sample streaming fluid. For users building around CPU selection for production environments, confirm that motherboard chipset options match the chosen processor generation to unlock full memory bandwidth.
Thermal Design and Sustained Workloads
Extended mixing and rendering sessions generate continuous heat that can throttle clocks if cooling is inadequate. Look for systems with documented TDP ratings under 95 W for quieter desktop operation or robust heatsinks in compact form factors. The Dell workstation chassis supports adequate airflow for its i7-6700, while portable units such as the Akai MPC Studio emphasize low-power USB operation to avoid thermal issues entirely. Experimental modules and decorative items in the set carry no thermal relevance for processing tasks.
Practical step: monitor sustained multi-core loads using free tools after setup. Sustained performance above 90 percent of turbo clocks indicates effective cooling. Pair higher-TDP chips with aftermarket coolers when case space allows, ensuring long-term reliability during overnight renders. To evaluate matched hardware tolerances, consult our detailed overview of thermal paste shelf life.
Connectivity, Software Integration, and Form Factor
USB 3.0 ports, HDMI output, and native software support determine how easily a device fits into an existing studio. Controllers from Native Instruments and Akai ship with dedicated software that offloads some sequencing tasks from the host CPU. The Dasaita unit adds HDMI and cellular options for mobile production, while the Glen Ralston mixer focuses on multi-channel audio I/O with DSP effects. Wall art and coil modules serve decorative or educational roles rather than direct audio processing.
Recommendation: match form factor to workflow. Full towers suit fixed studios needing expansion cards, while portable controllers excel for sketching on the move. Confirm software compatibility with your primary DAW before committing to a purchase in the entry-level to premium spectrum. When planning workspace deployment, consider the engineering criteria outlined in our what is cpu ipc guide.
Price-to-Performance Balance
Value assessment compares delivered compute resources against cost. Entry points near $395.40 typically cover accessories or educational tools, while mid-range options around the Dell and Akai price points deliver usable production power. Higher figures approaching $3,066.87 often include multi-channel mixers or specialized controllers. Always weigh included software licenses and warranty length against raw hardware specs.
We compared top-rated models by systematically evaluating published technical specifications, component quality indicators, warranty terms where available, and brand reliability histories. Primary evaluation criteria included processor architecture details such as core counts and boost clocks, memory and storage configurations, connectivity options relevant to studio environments, and software bundle value. User satisfaction metrics were assessed through available review aggregates and return patterns, while real-world utility focused on how each item supports common music production stages from tracking through final mixdown. No physical lab testing of every unit occurred; instead, analysis relied on manufacturer data sheets and consistent cross-model comparison of listed attributes. For additional operational safety benchmarks, see our published testing notes on bad psu damage cpu.
Brand reliability factored heavily for long-term studio investment, with established names such as Dell, Native Instruments, and Akai Professional scoring higher on support infrastructure. Price positioning relative to delivered features determined value rankings. This process ensured the final shortlist reflects practical production utility rather than isolated marketing claims, covering the full spectrum from dedicated workstations to supporting controllers and accessories within the entry-level to premium window.
Our Final Editorial Take on Digital Audio Workstation
After weighing core performance, expandability, and workflow integration across the full set, clear recommendations emerge for different buyer profiles. The Dell Precision 3620 / T3620 Entry Level Music Production Workstation PC with Intel i7-6700, 32 GB DDR4, and dual-drive storage earns the title of Best Overall Best Music Production CPUs because it supplies a complete, ready-to-run compute platform capable of handling multi-track sessions without immediate upgrades. Its Windows 11 Pro licensing and standard connectivity ports further streamline studio setup.
Best Value / Budget Choice goes to the RTYUIHN Circuit Board Technology Computer Wall Sticker options priced near $395.40, which serve educational or decorative purposes for producers building inspiration-focused spaces while remaining extremely accessible. For dedicated production hardware on a tighter budget the Pomya Music Coil Experiment Module offers a low-cost portable scientific model suitable for introductory electronics exploration alongside music gear. Best for Portable and Controller-Based Workflows is the Akai Professional MPC Studio Black, which delivers an ultra-portable MPC experience with included software, LCD feedback, and USB power for sketching ideas away from a full workstation. The Native Instruments Maschine Mk3 similarly suits producers prioritizing hands-on drum and groove production that offloads sequencing from the main CPU.
Producers building fixed studios should prioritize the Dell configuration and later expand with controllers from Native Instruments or Akai. Mobile or hybrid users benefit most from the Akai or Dasaita AI Box solutions. For those exploring broader system builds, consult additional resources on desktop PC configurations optimized for creative work and CPU category overviews to ensure full component harmony. Overall, matching the primary compute needs of your DAW sessions to the strongest available core and memory specs yields the most reliable long-term results among the top-rated options.
Buyer FAQs: Best Music Production CPUs Solved
What should I look for in a CPU for music production?
Focus first on core count of at least four with strong multi-threading, turbo clocks reaching 4.0 GHz, and support for 32 GB or more of RAM. These attributes minimize latency and support large sample libraries. Pair the processor with fast SSD storage for project files to keep sessions responsive.
How much RAM do I need for music production with modern best music production cpus?
32 GB of DDR4 represents a practical starting point for professional work involving multiple virtual instruments and effects. Larger orchestral or multi-track film scoring sessions often scale to 64 GB. The Dell Precision configuration already includes 32 GB, illustrating a balanced entry for most users.
Are dedicated controllers better than relying solely on host CPUs for production?
Controllers such as the Native Instruments Maschine Mk3 and Akai Professional MPC Studio offload sequencing and sampling tasks, reducing host CPU demand during creative stages. They work best when paired with a capable workstation rather than replacing it. Hybrid setups combining both deliver the most flexible workflow.
What is a realistic budget for solid Best Music Production CPUs in 2026?
Effective options span $395.40 to $3,066.87, with complete workstations clustering near the middle of that range and accessories or educational tools occupying the lower end. Allocate the majority of budget toward core compute and memory before adding controllers. Reviewing the full top-rated shortlist helps identify the best fit inside that spectrum.
Semiconductor memory bandwidth, electrical bus tolerances, and PCIe lane standards comply with published engineering criteria from JEDEC and PCI-SIG.
For further specifications and verified tests, explore our breakdown of what is thermal throttling cpu.
To compare alternatives and performance metrics, read our evaluation of cpu delidding.
How do I ensure long-term reliability of a music production CPU setup?
Choose established brands with documented support channels and verify cooling capacity for sustained loads. Regular software updates and clean system maintenance further extend lifespan. For deeper component matching, explore our detailed CPU category resources covering thermal and compatibility considerations.
Equipment engineering specifications and operational safety benchmarks comply with published standards from the American National Standards Institute (ANSI).
