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ASUS PRIME B650M-A WIFI micro-ATX motherboard with Ryzen 7 9800X3D CPU, dark PCB and silver heatsinks

ASUS

ASUS PRIME B650M-A WIFI & Ryzen 7 9800X3D AMD motherboard combo

SKU CH-HN8R-QW0K4

A B650 micro-ATX board with Wi-Fi 6, 2.5 Gb Ethernet, PCIe 5.0 M.2 and USB 3.2 Gen 2 paired with an 8-core Ryzen 7 9800X3D running up to 5.2 GHz with 96 MB L3 cache and DDR5-5600 support

  • CPU socketAM5

Model PRIME B650M-A WIFI

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CPU +Ryzen 7 9800X3D

  • Ready for advanced AI computing with power and connectivity for demanding applications
  • Ultrafast connectivity via Wi-Fi 6, M.2 PCIe 5.0, Realtek 2.5Gb Ethernet, USB 3.2 Gen 2 ports and front USB 3.2 Gen 1 Type-C®
  • ASUS OptiMem II preserves signal integrity for improved memory overclocking
  • Comprehensive cooling with VRM heatsink, PCH heatsink, hybrid fan headers and Fan Xpert 2+
  • Ryzen 7 9800X3D delivers faster gaming with 2nd-gen AMD 3D V-Cache tech for low latency

ASUS PRIME B650M-A WIFI & Ryzen 7 9800X3D Combo

This bundle pairs an AMD B650 Micro-ATX motherboard with an 8-core Ryzen 7 9800X3D processor. It targets gamers and creators who want a compact platform with 96 MB L3 cache and DDR5-5600 support. The AM5 socket keeps the upgrade path open for future Ryzen CPUs. The combo arrives ready to drop into a new build without separate component sourcing.

Build Integration

The board supplies Wi-Fi 6, Realtek 2.5 Gb Ethernet, M.2 PCIe 5.0, SATA 6 Gbps, USB 3.2 Gen 2 ports and a front USB 3.2 Gen 1 Type-C header. DDR5 memory slots use ASUS OptiMem II trace routing for cleaner signal integrity. VRM and PCH heatsinks plus hybrid fan headers handled by Fan Xpert 2+ manage thermals. Addressable Gen 2 and standard RGB headers enable Aura Sync lighting control.

Capacity and Headroom

The Ryzen 7 9800X3D delivers 16 threads at up to 5.2 GHz max boost with an unlocked multiplier for overclocking. Second-generation 3D V-Cache technology reduces gaming latency. DDR5-5600 is the rated memory speed; faster kits rely on board overclocking headroom. PCIe 5.0 M.2 bandwidth serves the fastest current SSDs while SATA ports handle bulk storage.

How it compares

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

Price $795.99
Pricier than about 78% of the 1,906 comparable items (median $224.49).

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Specifications

Product
Brand nameASUS
Model namePRIME B650M-A WIFI+R7 9800 × 3D
Processor
CPU socketAM5

Other versions of this model

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Questions about this item

Does the board fit a standard micro-ATX case and what CPU cooler clearance should I check?

The motherboard uses the micro-ATX form factor so it fits any case that supports that size; cooler clearance depends on the case and the VRM heatsink layout, so verify the maximum cooler height your case allows.

What memory speed does the included Ryzen 7 9800X3D support out of the box?

The processor officially supports DDR5-5600; the board's OptiMem II trace routing helps stability if you later enable higher speeds through EXPO or manual overclocking.

Which high-speed storage slot is available for a boot drive?

The board provides an M.2 slot wired for PCIe 5.0, suitable for a fast boot SSD; additional SATA 6 Gbps ports are also present for extra drives.

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