AMD

AMD Ryzen 9 9950X3D Processor 4.3 GHz 144 MB L2 & L3 Box

SKU:
100-100000719WF
UPC:
0730143315555
MPN:
100-100000719WOF
MSRP: £985.50
£636.11
— You save £349.39
Frequently bought together:

Description

AMD Ryzen 9 9950X3D (AM5) Desktop Processor – 16 Cores / 32 Threads, 4.3GHz Base, Up to 5.7GHz Boost, 144MB Cache (2nd-Gen 3D V-Cache), 170W

Summary: The AMD Ryzen™ 9 9950X3D is a flagship Zen 5 desktop CPU for the AM5 platform, built for elite gaming performance and heavy creator workloads. With 16 cores / 32 threads, a 4.3GHz base clock and up to 5.7GHz max boost, plus a huge 144MB total cache (L2+L3) powered by second-generation AMD 3D V-Cache™, it’s designed to deliver high FPS and strong multithreaded performance in one chip.

Whether you’re gaming at high refresh rates, streaming, editing 4K/8K video, compiling code, or running demanding workloads like 3D rendering, the 9950X3D gives you top-tier responsiveness and throughput. The large cache helps keep more data close to the cores, improving frame-time consistency in many CPU-limited games while still offering workstation-class muscle for productivity.

Why buyers choose the Ryzen 9 9950X3D

  • 16C/32T flagship performance: gaming + content creation without compromise
  • 2nd-Gen 3D V-Cache: huge cache for low-latency gaming performance
  • Up to 5.7GHz boost: fast single-thread responsiveness
  • AM5 platform: DDR5 + PCIe 5.0 readiness (motherboard dependent)

Verified specifications

  • Socket: AM5
  • Cores / Threads: 16 / 32
  • Base / Boost: 4.3GHz base, up to 5.7GHz boost
  • Cache: 144MB total cache (L2 + L3); L3 listed as 128MB
  • TDP: 170W
  • Memory support (listed): DDR5 up to 5600 MT/s, dual-channel, up to 192GB (platform dependent)
  • PCIe support (listed): PCIe 5.0; up to 28 total / 24 CPU lanes shown on some spec listings
  • Integrated graphics: AMD Radeon™ Graphics (useful for display output/troubleshooting; discrete GPU still recommended for gaming)
  • Cooler: not included (boxed CPU)

Compatibility notes 

  • AM5 + DDR5 only: not compatible with AM4 motherboards or DDR4 RAM.
  • Cooling matters: high-end CPU—use a strong air cooler or 240–360mm AIO for best sustained performance.
  • BIOS support: ensure your AM5 motherboard has a compatible BIOS installed.

The ultimate 16-core desktop CPU with 2nd gen AMD 3D V-Cache™ Technology that can do it all with incredible performance for the most demanding gamers and creators.

 

 

Specification

Main Specification

Product Description AMD Ryzen 9 9950X3D / 4.3 GHz processor - Box
Product Type Processor
Processor Type AMD Ryzen 9 9950X3D
Number of Cores 16-core / 32 threads
Cache 128 MB
Integrated Graphics Radeon Graphics
Compatible Processor Socket Socket AM5
Processor Qty 1
Clock Speed 4.3 GHz
Max Turbo Speed 5.7 GHz
Manufacturing Process 4 nm
Features "Zen 5" Core Architecture, Advanced Vector Extensions (AVX), Advanced Vector Extensions 2 (AVX2), AES, AMD EXPO Technology, AMD Precision Boost 2 Technology, AMD Ryzen Master Utility, AMD RyzenTechnologies, AMD Simultaneous Multithreading (SMT), MMX instructions set

General

Product Type Processor

Processor

Type / Form Factor AMD Ryzen 9 9950X3D
Number of Cores 16-core
Number of Threads 32 threads
Cache 128 MB
Cache Memory Details L3 - 128 MB L2 - 16 MB L1 - 1280 KB
Processor Qty 1
Clock Speed 4.3 GHz
Max Turbo Speed 5.7 GHz
Compatible Processor Socket Socket AM5
Manufacturing Process 4 nm
Thermal Design Power 170 W
Thermal Specification 95 °C
PCI Express Revision 5.0
PCI Express Lanes Qty 28
Architecture Features "Zen 5" Core Architecture, Advanced Vector Extensions (AVX), Advanced Vector Extensions 2 (AVX2), AES, AMD EXPO Technology, AMD Precision Boost 2 Technology, AMD Ryzen Master Utility, AMD RyzenTechnologies, AMD Simultaneous Multithreading (SMT), MMX instructions set

Integrated Graphics

Type Radeon Graphics
Base Frequency 2200 MHz

Miscellaneous

Package Type AMD Processor in a Box (PIB)

Return

30 Days 

FAQ: Frequently Asked Questions 

 

AMD Ryzen 9 9950X3D — FAQ

What is the AMD Ryzen 9 9950X3D?
The Ryzen 9 9950X3D is AMD’s flagship 16-core / 32-thread desktop CPU with 2nd-gen 3D V-Cache, designed to deliver elite performance for high-FPS gaming and demanding creator workloads on the AM5 platform. 
What are the key specs (cores, clocks, cache, TDP)?
• 16 cores / 32 threads
• Base clock: 4.3GHz
• Max boost: up to 5.7GHz
• Total cache: 144MB (L2 16MB + L3 128MB)
• Default TDP: 170W

Does the Ryzen 9 9950X3D have integrated graphics?
Yes — it includes basic AMD Radeon Graphics for display output and troubleshooting. For gaming, you’ll still want a dedicated GPU for high performance. 
What socket / motherboards does it use?
It uses Socket AM5 (DDR5 platform). Pair it with a compatible AM5 motherboard (e.g., newer chipsets like X870/X870E or existing AM5 boards with the right BIOS). Always check the board’s CPU support list. 
Do I need a BIOS update?
Possibly — especially if you’re installing it into an older AM5 board that shipped before the 9950X3D launch. If your motherboard supports BIOS Flashback, you can update without a CPU installed.
Does it come with a CPU cooler in the box?
No cooler included. You’ll need an aftermarket air cooler or AIO liquid cooler suitable for a high-end 170W-class CPU. 
What cooler should I use for the 9950X3D?
For best results, use a high-end dual-tower air cooler or a 280mm/360mm AIO, plus good case airflow. This CPU can pull substantial power under heavy all-core workloads. 
Is the Ryzen 9 9950X3D good for gaming or is it “creator first”?
It’s designed as a true “do-it-all” chip: excellent gaming performance thanks to 3D V-Cache, and top-tier productivity performance with 16 cores / 32 threads. Review coverage highlights it as one of the best all-round CPUs for both gaming and creator workloads. 
What RAM is best (speed/capacity) for AM5 + 9950X3D?
AM5 uses DDR5. Many builds target DDR5-6000 EXPO as a common “sweet spot” for Ryzen performance, but stability depends on your motherboard and BIOS. If you need large capacity, the CPU is commonly listed as supporting up to 192GB DDR5 (board dependent). 
Does it support PCIe 5.0 SSDs and GPUs?
Yes — the platform supports PCIe 5.0 (exact lane/slot availability depends on the motherboard). It’s a strong match for Gen5 NVMe SSDs and modern GPUs. :contentReference[oaicite:9]{index=9}
Is it overclockable?
AMD positions the Ryzen 9 9950X3D as fully overclockable (unlike some older X3D generations). Results depend on cooling, motherboard VRM quality, and silicon. 
Will it work without a graphics card?
For basic display output and setup, yes (it has Radeon Graphics). But if your goal is gaming, you should pair it with a dedicated GPU for best performance. 
Troubleshooting: PC powers on but no display
• Try display from the motherboard video output first (since it has basic iGPU).
• Update BIOS to the latest version if you’re on older AM5 firmware.
• Reseat RAM (try 1 stick), clear CMOS, and re-test.
• If using a GPU, reseat the GPU and power cables and try the primary PCIe slot.

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