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ASUS PRIME B650M-R micro-ATX motherboard with Ryzen 9 9900X CPU, dark PCB and silver heatsinks

ASUS

ASUS PRIME B650M-R & Ryzen 9 9900X AMD motherboard combo

SKU CH-8NF2-C3RMY

Micro-ATX AM5 motherboard paired with a 12-core Ryzen 9 9900X CPU, PCIe 4.0, two M.2 slots, 2.5 Gb Ethernet, USB 5 Gbps Type-C and AI noise cancellation

  • CPU Socket TypeAM5

model PRIME B650M-R

+CPU +Ryzen 9 9900X

  • 12-core Ryzen 9 9900X handles heavy AI workloads
  • AM5 socket supports DDR5-5600 memory for fast data throughput
  • PCIe 4.0 and two M.2 slots give ultrafast storage connectivity
  • Realtek 2.5Gb Ethernet plus USB 5Gbps Type-C for high-speed networking
  • VRM and PCH heatsinks with Fan Xpert 2+ keep temperatures low

Combo for AI workloads

This bundle pairs the ASUS PRIME B650M-R motherboard with an AMD Ryzen 9 9900X processor on the AM5 socket. The twelve-core CPU delivers 24 threads and a 5.6 GHz maximum boost clock for heavy multitasking and local AI inference. The Micro-ATX board supplies PCIe 4.0 lanes, dual M.2 slots and 2.5 Gb Ethernet for fast data movement.

Capacity and headroom

Sixty-four megabytes of L3 cache and twelve megabytes of L2 cache give the processor room for large working sets in rendering or model training. DDR5-5600 memory support feeds the cores with high bandwidth. The board’s two M.2 sockets add quick storage expansion, while the VRM and PCH heatsinks keep thermals in check under sustained all-core loads.

Bundled software impact

Fan Xpert 2+ lets you tune every hybrid header to match case airflow without extra hardware. Aura Sync addressable Gen 2 headers drive RGB strips from a single control panel. Two-way AI Noise Cancelation cleans microphone input and speaker output in real time, cutting background sound during streams or conference calls.

Highlights

  • 12-core Ryzen 9 9900X handles heavy AI workloads
  • AM5 socket supports DDR5-5600 memory for fast data throughput
  • PCIe 4.0 and two M.2 slots give ultrafast storage connectivity
  • Realtek 2.5Gb Ethernet plus USB 5Gbps Type-C for high-speed networking
  • VRM and PCH heatsinks with Fan Xpert 2+ keep temperatures low

Specifications

BrandASUS
ModelPRIME B650M-R+R9 9900X
CPU Socket TypeAM5

Other versions of this model

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Same family, different memory, cooler or clock — compare before you commit.

Questions about this item

Will the PRIME B650M-R board run my existing DDR5-5600 memory alongside the Ryzen 9 9900X?

Yes, the Ryzen 9 9900X supports DDR5-5600 and the board provides two M.2 slots plus SATA 6 Gbps ports for your current storage.

How can I verify the 5.6 GHz max boost is active after building the system?

Enable Precision Boost Overdrive in BIOS, then monitor core clocks under load with Ryzen Master or HWInfo to confirm 5.6 GHz boost on the 12 cores.

Does the combo include a CPU cooler or do I need to buy one separately?

The Ryzen 9 9900X ships without a cooler, so you must purchase an AM5-compatible air or liquid cooler before first boot.

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