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Square green ceramic processor with gold contact pads and silver heat spreader engraved with Ryzen 9 5900X text

AMD

AMD Ryzen 9 5900X 12-Core 3.7 GHz Socket AM4 105W desktop processor

SKU CH-7YYH-KKN4M

12-core desktop processor with 24 threads at 3.7 GHz, 64 MB L3 cache, DDR4-3200 support and PCIe 4.0 on Socket AM4

  • Processors TypeDesktop
  • NameRyzen 9 5900X
  • CPU Socket TypeSocket AM4
  • # of Cores12-Core
  • # of Threads24-Threads
  • Operating Frequency3.7 GHz
  • 12 cores and 24 threads handle heavy multitasking with ease
  • 7 GHz base frequency gives strong single-thread responsiveness
  • 64 MB L3 cache reduces latency for demanding workloads
  • DDR4 3200 support delivers high memory bandwidth
  • PCIe 4.0 enables fast storage and GPU throughput

Ryzen 9 5900X 12-Core AM4 Processor

This desktop processor delivers 12 cores and 24 threads at a 3.7 GHz base frequency for demanding workloads. The Zen 3 architecture on 7 nm process technology provides 64 MB L3 cache and 6 MB L2 cache. It fits Socket AM4 motherboards with a 105 W thermal design power. Windows 11 is supported for modern operating system compatibility.

Ideal For Multi-Threaded Workloads And Gaming

Content creators and enthusiasts benefit from the high core count and large cache for rendering, encoding and compilation tasks. Gamers gain strong single-thread performance with PCIe 4.0 support for current graphics cards. Users needing integrated graphics or a bundled cooler must select a different processor. Systems limited to PCIe 3.0 will not utilise the full interface bandwidth.

Processor Only Package Requires Separate Cooling

The box contains the CPU without a stock cooler, so a compatible aftermarket solution must be sourced. Memory support is officially rated for DDR4 3200 speeds to match the memory controller specification. PCIe 4.0 lanes enable faster storage and GPU throughput when paired with a 5000-series chipset motherboard. No additional software or accessories are included in the package.

Highlights

  • 12 cores and 24 threads handle heavy multitasking with ease
  • 7 GHz base frequency gives strong single-thread responsiveness
  • 64 MB L3 cache reduces latency for demanding workloads
  • DDR4 3200 support delivers high memory bandwidth
  • PCIe 4.0 enables fast storage and GPU throughput

Specifications

BrandAMD
Processors TypeDesktop
SeriesRyzen 9 5000 Series
NameRyzen 9 5900X
CPU Socket TypeSocket AM4
# of Cores12-Core
# of Threads24-Threads
Operating Frequency3.7 GHz
L2 Cache6MB
L3 Cache64MB
Manufacturing Tech7nm
Memory TypesDDR4 3200
Integrated GraphicsNone Integrated Graphics
PCI Express RevisionPCIe 4.0
Thermal Design Power105W
Cooling DeviceCooling device not included - Processor Only
Operating System SupportedWindows 11

Questions about this item

What cooler do I need for the 105W Ryzen 9 5900X?

A compatible AM4 cooler rated for at least 105W TDP is required because no cooling device is included in the box.

Will my DDR4 3200 memory run at its rated speed with this CPU?

The processor officially supports DDR4 3200, so modules rated at that speed should operate at their rated frequency without manual tuning.

How can I verify the 12 cores and 24 threads are active after installation?

Open Task Manager in Windows 11, select the Performance tab, and confirm 12 cores and 24 logical processors are shown.

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