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Micro-ATX motherboard in dark finish with large CPU cooler and silver heatsinks

ASUS

ASUS PRIME B850M-A WIFI + Ryzen 7 9800X3D AMD motherboard combo

SKU CH-VCB4-4REJG

AM5 micro-ATX combo with 8-core 16-thread Ryzen 7 9800X3D at 5.2 GHz boost, 96 MB L3 cache, DDR5 up to 8000 MT/s, three M.2 slots to 128 Gbps, PCIe 5.0, Wi-Fi 6E and 2.5 Gb Ethernet

  • CPU Socket TypeAM5

Motherboard PRIME B850M-A WIFI

Struck-through versions exist but are not stocked here.

CPU + Ryzen 7 9800X3D

  • Ready-to-build combo with matched ASUS motherboard and Ryzen CPU
  • 8-core 16-thread Zen 5 processor boosts to 5.2 GHz with 96 MB L3 cache
  • DDR5 memory overclocks to 8000 MT/s across three M.2 slots reaching 128 Gbps
  • VRM heatsinks, M.2 heatsink and 4-pin PWM/DC headers keep thermals in check
  • PCIe 5.0 slot, Wi-Fi 6E and Realtek 2.5 Gb Ethernet deliver modern connectivity

ASUS PRIME B850M-A WIFI + Ryzen 7 9800X3D Combo

This bundle pairs an ASUS PRIME B850M-A WIFI motherboard with an AMD Ryzen 7 9800X3D processor for Socket AM5. The micro-ATX board features an 8+2+1 power design, 6-layer PCB and Digi+ VRM control. It supports DDR5 memory up to 8000 MT/s overclocked and includes three M.2 slots. Connectivity covers PCIe 5.0, Wi-Fi 6E, Realtek 2.5 Gb Ethernet and front USB 5 Gbps Type-C.

Ryzen 7 9800X3D Gaming CPU with 3D V-Cache

The Ryzen 7 9800X3D delivers 8 cores and 16 threads on Zen 5 architecture with a 5.2 GHz max boost clock. Its 96 MB L3 cache and 2nd-gen 3D V-Cache technology target low-latency gaming performance. The chip is unlocked for overclocking and supports DDR5-5600 natively. Builders needing higher core counts or integrated graphics for non-gaming workloads should evaluate other AM5 processors.

DDR5 8000 MT/s Overclock Ceiling on B850 Chipset

The motherboard’s validated DDR5 overclock limit of 8000 MT/s sets the practical memory speed ceiling for this combo. Buyers planning to run memory faster than this specification will need a different chipset or board. Matching your memory kit to this ceiling ensures stability without manual voltage tuning beyond the board’s validated range.

Highlights

  • Ready-to-build combo with matched ASUS motherboard and Ryzen CPU
  • 8-core 16-thread Zen 5 processor boosts to 5.2 GHz with 96 MB L3 cache
  • DDR5 memory overclocks to 8000 MT/s across three M.2 slots reaching 128 Gbps
  • VRM heatsinks, M.2 heatsink and 4-pin PWM/DC headers keep thermals in check
  • PCIe 5.0 slot, Wi-Fi 6E and Realtek 2.5 Gb Ethernet deliver modern connectivity

Specifications

BrandASUS
ModelPRIME B850M-A WIFI+R7 9800X3D
CPU Socket TypeAM5

Other versions of this model

5 more in the same range

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

Questions about this item

Does the ASUS PRIME B850M-A WIFI combo include a CPU cooler or must one be bought separately?

The bundle contains the motherboard and the Ryzen 7 9800X3D processor only; a compatible AM5 cooler is not included and must be purchased separately.

Should I choose the 8-core Ryzen 7 9800X3D or a higher-core alternative for this board?

This combo is fixed to the 8-core 9800X3D with 96 MB L3 cache and 5.2 GHz max boost; no other CPU option is offered with this motherboard.

What does the DDR5 8000 MT/s (OC) figure mean once the system is assembled?

It is the maximum overclocked memory speed the board can reach with a capable kit; the CPU officially supports DDR5-5600, so any speed above that requires manual tuning in the UEFI BIOS.

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