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Micro-ATX motherboard in dark finish with AM5 socket, VRM and M.2 heatsinks, plus boxed Ryzen 9 9900X CPU

ASUS

ASUS PRIME B650M-K-CSM AMD Motherboard & Ryzen 9 9900X CPU Combo

SKU CH-2P3R-C8PF7

A micro-ATX AM5 motherboard paired with a 12-core 24-thread Ryzen 9 9900X reaching 5.6 GHz, DDR5-5600 support, PCIe 5.0 M.2, 2.5 Gb Ethernet and USB 3.2 Gen 2

  • CPU Socket TypeAM5

model PRIME B650M-K-CSM

顯示另外 2 款選項

+CPU +Ryzen 9 9900X

  • 12-core 24-thread Ryzen 9 9900X delivers high multi-threaded performance
  • 6 GHz max boost clock enables fast single-threaded speeds
  • M.2 PCIe 5.0 slot supports ultra-fast storage throughput
  • Realtek 2.5 Gb Ethernet provides high-speed wired networking
  • VRM M.2 and PCH heatsinks with Fan Xpert 2+ ensure comprehensive cooling

Combo for AI workloads

This bundle pairs an ASUS PRIME B650M-K-CSM motherboard with a Ryzen 9 9900X processor. The CPU delivers 12 cores and 24 threads based on the Zen 5 architecture. It reaches a 5.6 GHz max boost and provides 64 MB of L3 cache. The combination targets users building systems for advanced AI computing tasks.

Micro ATX board with PCIe 5.0 M.2

The micro ATX motherboard uses the AM5 socket and includes two M.2 slots with one supporting PCIe 5.0 speeds. Rear I/O provides USB 3.2 Gen 2 ports and Realtek 2.5Gb Ethernet. A front-panel USB 3.2 Gen 1 Type-C header is available. Cooling is handled by VRM, M.2 and PCH heatsinks plus hybrid fan headers controlled by Fan Xpert 2+ software.

ASUS Control Center Express included

The bundle adds ASUS Control Center Express for simplified IT endpoint management across the network. Aura Sync RGB lighting is supported via addressable Gen 2 headers and a standard RGB header for strip lighting. OptiMem II trace routing aims to preserve signal integrity for DDR5 memory overclocking. The processor ships without a cooler, so a separate thermal solution is required.

商品特色

  • 12-core 24-thread Ryzen 9 9900X delivers high multi-threaded performance
  • 6 GHz max boost clock enables fast single-threaded speeds
  • M.2 PCIe 5.0 slot supports ultra-fast storage throughput
  • Realtek 2.5 Gb Ethernet provides high-speed wired networking
  • VRM M.2 and PCH heatsinks with Fan Xpert 2+ ensure comprehensive cooling

商品規格

BrandASUS
ModelPRIME B650M-K-CSM+R9 9900X
CPU Socket TypeAM5

其他版本

同系列還有 5 款

同系列產品，記憶體、散熱器或時脈不同 — 下單前請先比較。

商品問答

Does the B650 chipset limit the M.2 slot to PCIe 5.0 speeds?

One M.2 slot supports PCIe 5.0 for compatible drives; the chipset does not reduce that link speed.

What cooler clearance does the micro ATX board allow around the AM5 socket?

The VRM heatsink sits close to the socket, so low-profile or offset coolers fit best with the 12-core processor.

Which BIOS step is often missed when installing the Ryzen 9 9900X on this board?

Updating the BIOS before first boot is required for Zen 5 support; skipping it leaves the 24-thread CPU undetected.

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