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Micro-ATX motherboard with silver heatsinks and black PCB, paired with Ryzen 7 9700X CPU in AM5 socket

ASUS

ASUS PRIME B850M-A & Ryzen 7 9700X AMD motherboard combo

SKU CH-7J8V-K3KSE

Micro-ATX AM5 motherboard paired with an 8-core Ryzen 7 9700X reaching 5.5 GHz boost, 40 MB cache, DDR5 8000 MT/s overclocking headroom, PCIe 5.0 slot, 2.5 Gb Ethernet and front USB 5 Gbps Type-C

  • CPU Socket TypeAM5

Motherboard PRIME B850M-A

Struck-through versions exist but are not stocked here.

CPU + Ryzen 7 9700X

  • Ready for DDR5 8000 MT/s speeds with overclocking headroom
  • 8+2+1 power modules and 6-layer PCB keep voltage clean and stable
  • VRM heatsinks, thermal pads and M.2 heatsinks cool critical components
  • PCIe 5.0 slot and 2.5 Gb Ethernet handle fast GPUs and wired networks
  • Ryzen 7 9700X delivers 8 cores, 16 threads and 5.5 GHz boost clock

AM5 Motherboard & Ryzen 7 9700X Combo

This bundle pairs an ASUS PRIME B850M-A micro-ATX motherboard with an AMD Ryzen 7 9700X processor. The board uses the AMD B850 chipset and AM5 socket, ready for DDR5 memory and PCIe 5.0 devices. It targets builders who want a matched CPU and motherboard in one purchase.

Builders Seeking Matched AM5 Platform

The combo suits users assembling a new AM5 system who value a pre-validated CPU and board pairing. It provides 8 cores and 16 threads with a max boost clock of 5.5 GHz, plus 40 MB cache. Buyers needing integrated Wi-Fi, additional rear USB ports, or a different form factor should consider other options.

DDR5 8000 MT/s Overclock Ceiling

The motherboard supports DDR5 memory speeds up to 8000 MT/s when overclocked, while the processor natively supports DDR5 5600. This memory speed headroom is the key specification that determines whether the platform meets your performance targets. Matching modules to this ceiling ensures stable operation at the desired frequency.

Highlights

  • Ready for DDR5 8000 MT/s speeds with overclocking headroom
  • 8+2+1 power modules and 6-layer PCB keep voltage clean and stable
  • VRM heatsinks, thermal pads and M.2 heatsinks cool critical components
  • PCIe 5.0 slot and 2.5 Gb Ethernet handle fast GPUs and wired networks
  • Ryzen 7 9700X delivers 8 cores, 16 threads and 5.5 GHz boost clock

Specifications

BrandASUS
ModelPRIME B850M-A+R7 9700X
CPU Socket TypeAM5

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