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Square green ceramic chip with gold contact pads and silver heat spreader engraved with Ryzen 9 7900X

AMD Refurbished

AMD Ryzen 9 7900X 12-Core 4.7 GHz Socket AM5 Desktop Processor (100-100000589WOF)

SKU CH-7KV7-BNS4G MPN 100-100000589WOF

A 12-core, 24-thread desktop processor with 4.7 GHz base clock, 5.6 GHz max turbo and 64 MB L3 cache for Socket AM5 platforms

  • Product nameRyzen 9 7900X
  • CPU cores12-Core
  • CPU socketSocket AM5
  • Maximum turbo clockUp to 5.6 GHz
  • TDP rating170 W
  • Processor classDesktop
  • 12 cores and 24 threads handle heavy multitasking
  • Max turbo up to 5.6 GHz speeds single-thread work
  • 64 MB L3 cache cuts data latency
  • DDR5 5200 support feeds cores faster
  • Integrated Radeon graphics for basic display output

The Ryzen 9 7900X for AM5 builds

This 12-core desktop processor runs at 4.7 GHz and boosts up to 5.6 GHz. It targets gamers and creators who need 24 threads and 64 MB of L3 cache. The Zen 4 architecture on TSMC 5 nm FinFET delivers high throughput for demanding workloads. A 170 W TDP means robust cooling is essential.

Moving up from 8-core AM4 or early AM5 chips

The jump is worthwhile when workloads scale past 8 cores, such as heavy multitasking, rendering or compile jobs. DDR5 5200 support and PCIe 5.0 bandwidth remove memory and I/O bottlenecks seen on older platforms. ECC memory capability adds reliability for workstation tasks. Integrated Radeon graphics handle display output without a discrete card.

Drop-in install on any Socket AM5 motherboard

No cooler is included, so pair it with a solution rated for 170 W. Apply thermal paste evenly and torque the retention mechanism to spec. Update the BIOS before first boot to ensure memory stability at 5200 MT/s. Bent pins on the LGA socket are the most common damage during handling.

How it compares

Measured against everything we stock in Desktop Processors, at today’s prices. Recalculated every night.

Price $181.99
Pricier than about 58% of the 494 comparable items (median $149.99).
CPU cores 12-Core
Higher than about 60% of the 271 comparable items (median 8).
Maximum turbo clock Up to 5.6 GHz
Higher than about 90% of the 246 comparable items (median 4.7 GHz).

New to this? Buying a processor with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameAMD
Product lineRyzen 9 7000 Series
Model name100-100000589WOF
Product nameRyzen 9 7900X
Performance
Working frequency4.7 GHz
Processor
CPU cores12-Core
CPU socketSocket AM5
Maximum turbo clockUp to 5.6 GHz
TDP rating170 W
Processor classDesktop
CPU threads24-Threads
L1 cache size768 KB
Level 2 cache12 MB
Level 3 cache64 MB
Process nodeZen 4 - TSMC 5 nm FinFET
CPU instruction set64-Bit
Memory
Supported memoryDDR5 5200
Channel configuration2
Memory limit128 GB
ECC memorySupported
Graphics
Built-in graphicsAMD Radeon Graphics
Ports & slots
PCIe generation5.0 / 4.0 / 3.0
Size & build
Shipping weight0.25 kg
Package size132 × 131 × 91 mm
Compatibility
Compatible desktop chipsetsAMD A620 / AMD B650 / AMD B650E / AMD B850 / AMD X670 / AMD X670E / AMD X870 / AMD X870E
Compatible systemsWindows 11
In the box
Included coolerNot included - Processor Only

Questions about this item

Does the 170W TDP require a specific cooler clearance or mounting bracket for Socket AM5?

The processor uses the standard AM5 retention frame; any cooler rated for 170W or higher with AM5 mounting holes will fit without extra brackets.

What is the correct order for applying thermal paste and seating the 12-core chip on the AM5 socket?

Place a pea-sized dot on the integrated heat spreader, lower the CPU straight into the socket, then lock the lever before mounting the cooler to avoid uneven pressure.

When should the pre-applied thermal interface on a refurbished 7900X be replaced?

Replace the paste whenever the cooler is removed or if temperatures rise above normal idle levels after extended use.

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