AMD Ryzen 9 9900X AM5 Boxed (WOF) — 12‑Core 4.4/5.6GHz

Description

Overview

The AMD Ryzen 9 9900X is a high‑performance Zen 5 desktop CPU aimed at enthusiasts who need strong single‑threaded performance for gaming and multi‑threaded throughput for creative applications. It features 12 CPU cores and 24 threads, a 4.4GHz base clock with up to 5.6GHz max boost, and a default TDP of 120W. The boxed retail SKU is supplied without a thermal solution (WOF). ([amd.com](https://www.amd.com/en/products/processors/desktops/ryzen/9000-series/amd-ryzen-9-9900x.html))

Key features

• 12 cores / 24 threads for multitasking and content creation. ([amd.com](https://www.amd.com/en/products/processors/desktops/ryzen/9000-series/amd-ryzen-9-9900x.html))
• Base clock 4.4GHz, max boost up to 5.6GHz. ([amd.com](https://www.amd.com/en/products/processors/desktops/ryzen/9000-series/amd-ryzen-9-9900x.html))
• Zen 5 architecture on TSMC 4nm CPU dies; AM5 socket compatibility. ([amd.com](https://www.amd.com/en/products/processors/desktops/ryzen/9000-series/amd-ryzen-9-9900x.html))
• Supports DDR5 memory and PCIe 5.0 connectivity. ([amd.com](https://www.amd.com/en/products/processors/desktops/ryzen/9000-series/amd-ryzen-9-9900x.html))
• Integrated AMD Radeon Graphics (2 CUs, 2200MHz) — useful for systems without a discrete GPU. ([amd.com](https://www.amd.com/en/products/processors/desktops/ryzen/9000-series/amd-ryzen-9-9900x.html))

Technical specifications

• Cores / Threads: 12 / 24. ([amd.com](https://www.amd.com/en/products/processors/desktops/ryzen/9000-series/amd-ryzen-9-9900x.html))
• Base Clock: 4.4 GHz. ([amd.com](https://www.amd.com/en/products/processors/desktops/ryzen/9000-series/amd-ryzen-9-9900x.html))
• Max Boost Clock: Up to 5.6 GHz. ([amd.com](https://www.amd.com/en/products/processors/desktops/ryzen/9000-series/amd-ryzen-9-9900x.html))
• L1 / L2 / L3 Cache: 960 KB / 12 MB / 64 MB. ([amd.com](https://www.amd.com/en/products/processors/desktops/ryzen/9000-series/amd-ryzen-9-9900x.html))
• Default TDP: 120 W. ([amd.com](https://www.amd.com/en/products/processors/desktops/ryzen/9000-series/amd-ryzen-9-9900x.html))
• Socket: AM5. ([amd.com](https://www.amd.com/en/products/processors/desktops/ryzen/9000-series/amd-ryzen-9-9900x.html))
• Memory: DDR5 (up to DDR5‑5600 depending on config), dual channel, up to 256 GB. ([amd.com](https://www.amd.com/en/products/processors/desktops/ryzen/9000-series/amd-ryzen-9-9900x.html))
• PCIe: PCIe 5.0 native lanes (total/usable: 28 / 24). ([amd.com](https://www.amd.com/en/products/processors/desktops/ryzen/9000-series/amd-ryzen-9-9900x.html))
• Graphics: AMD Radeon Graphics — 2 CUs @ 2200 MHz. ([amd.com](https://www.amd.com/en/products/processors/desktops/ryzen/9000-series/amd-ryzen-9-9900x.html))
• Product ID (Boxed): 100-100000662WOF. Thermal solution not included. ([amd.com](https://www.amd.com/en/products/processors/desktops/ryzen/9000-series/amd-ryzen-9-9900x.html))

Use a compatible AM5 motherboard (B650/X670/X870 series and newer) and a recommended high‑quality cooler — liquid cooling is suggested for sustained heavy loads to maintain peak boost behaviour. Check motherboard vendor support pages for BIOS updates and memory compatibility before building. ([amd.com](https://www.amd.com/en/products/processors/desktops/ryzen/9000-series/amd-ryzen-9-9900x.html))