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ASUS PRIME B650M-A WIFI micro-ATX motherboard with Ryzen 9 9900X CPU installed

ASUS

ASUS PRIME B650M-A WIFI + Ryzen 9 9900X AMD motherboard CPU combo

SKU CH-Z2YJ-GEAEA

Micro-ATX AM5 motherboard paired with a 12-core Ryzen 9 9900X CPU, Wi-Fi 6, 2.5 Gb Ethernet, PCIe 5.0 M.2 and DDR5-5600 support

  • CPU socketAM5

Model PRIME B650M-A WIFI

Show 2 more

CPU +Ryzen 9 9900X

  • 12 cores and 24 threads deliver high multi-thread performance
  • 6 GHz max boost enables fast single-core responsiveness
  • DDR5-5600 support provides high memory bandwidth
  • PCIe 5.0 M.2 slot allows ultrafast storage speeds
  • Wi-Fi 6 and 2.5G Ethernet give reliable network connectivity

AM5 Combo for AI Workloads

This bundle pairs the PRIME B650M-A WIFI motherboard with the Ryzen 9 9900X processor. The 12-core, 24-thread CPU reaches a 5.6 GHz max boost and provides 64 MB L3 cache plus 12 MB L2 cache. The platform targets advanced AI computing tasks that demand high core counts and fast memory throughput. DDR5-5600 support and PCIe 5.0 connectivity on the board match the processor’s capabilities.

Check Power and Cooling Requirements

The Ryzen 9 9900X ships without a cooler, so a compatible AM5 solution must be sourced separately. Verify that the chosen cooler clears the motherboard’s VRM heatsink and PCH heatsink. Ensure the power supply delivers sufficient 12 V current for a 12-core unlocked processor and the board’s hybrid fan headers. Confirm the chassis has a front-panel USB 3.2 Gen 1 Type-C header to use the front port.

Micro-ATX Layout with Onboard RGB Control

The Micro-ATX form factor fits smaller cases while retaining a VRM heatsink, PCH heatsink and hybrid fan headers managed by Fan Xpert 2+. Addressable Gen 2 RGB headers and a standard Aura RGB header allow synchronised lighting strips. Rear I/O includes Wi-Fi 6, Realtek 2.5Gb Ethernet, USB 3.2 Gen 2 ports and SATA 6 Gbps connectors. An M.2 slot operates at PCIe 5.0 speeds for high-throughput storage.

How it compares

Measured against everything we stock in Motherboards for AMD CPUs, at today’s prices. Recalculated every night.

Price $692.99
Pricier than about 74% of the 1,906 comparable items (median $224.49).

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Specifications

Product
Brand nameASUS
Model namePRIME B650M-A WIFI+R9 9900X
Processor
CPU socketAM5

Other versions of this model

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Questions about this item

Does the combo include a CPU cooler or must I buy one separately?

The Ryzen 9 9900X is supplied without a cooler, so a separate AM5-compatible cooler is required. The motherboard provides a VRM heatsink, PCH heatsink and hybrid fan headers managed by Fan Xpert 2+.

Should I choose the 12-core 9900X or a lower-core Ryzen for this B650 board?

The 9900X delivers 12 cores and 24 threads with a 5.6 GHz max boost and 64 MB L3 cache, making it the highest-performance AM5 CPU in this combo for heavy multithreaded workloads.

What does the 5.6 GHz max boost mean once the 9900X is installed on this B650 board?

The 5.6 GHz figure is the single-core maximum boost clock. Sustained all-core speeds depend on your cooling solution and the motherboard VRM heatsink, PCH heatsink and Fan Xpert 2+ headers keeping thermals in check.

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