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ATX motherboard in matte black with silver heatsinks and boxed Ryzen 7 9700X CPU

ASUS

ASUS PRIME B850-PLUS WIFI & Ryzen 7 9700X AMD motherboard & CPU combo

SKU CH-HS51-KWBH9

Combines an AM5 motherboard with an 8-core, 16-thread Ryzen 7 9700X processor reaching 5.5 GHz boost and 40 MB cache

  • CPU Socket TypeAM5

Motherboard PRIME B850-PLUS WIFI

Struck-through versions exist but are not stocked here.

CPU + Ryzen 7 9700X

  • 8-core Ryzen 7 9700X CPU delivers 100+ FPS gaming with 5.5 GHz max boost
  • 8+2+1 phase power design with Digi+ VRM feeds stable current to Ryzen 9000/8000/7000 series
  • AEMP optimises DDR5-5600 performance even on non-EXPO kits with full UEFI tuning control
  • Wi-Fi 6E and 2.5 Gb Ethernet plus USB 10 Gbps Type-C give fast wired and wireless throughput
  • VRM heatsinks, hybrid fan headers and Aura Sync RGB headers keep thermals in check and lighting unified

Combo ready for AM5 builds

The bundle pairs an ASUS PRIME B850-PLUS WIFI motherboard with an AMD Ryzen 7 9700X processor. The board uses the AMD B850 chipset and AM5 socket to support Ryzen 9000, 8000 and 7000 series CPUs. It is aimed at enthusiasts who want a single validated kit for a new DDR5 system.

Suited to gamers and creators; not for compact ITX

The Ryzen 7 9700X delivers 8 cores and 16 threads with a max boost clock of 5.5 GHz and 40 MB cache for high frame rates in games and responsive multitasking. Builders needing a smaller form factor or a different chipset should consider other options.

DDR5-5600 memory support decides compatibility

The processor supports DDR5-5600 speeds while the motherboard adds AEMP optimisation for non-EXPO kits and extensive manual tuning in UEFI. Matching this memory specification is the key factor when selecting RAM for the combo.

Highlights

  • 8-core Ryzen 7 9700X CPU delivers 100+ FPS gaming with 5.5 GHz max boost
  • 8+2+1 phase power design with Digi+ VRM feeds stable current to Ryzen 9000/8000/7000 series
  • AEMP optimises DDR5-5600 performance even on non-EXPO kits with full UEFI tuning control
  • Wi-Fi 6E and 2.5 Gb Ethernet plus USB 10 Gbps Type-C give fast wired and wireless throughput
  • VRM heatsinks, hybrid fan headers and Aura Sync RGB headers keep thermals in check and lighting unified

Specifications

BrandASUS
ModelPRIME B850-PLUS WIFI+R7 9700X
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 combo include RAM or a cooler, or do I need to buy them separately?

The bundle supplies the PRIME B850-PLUS WIFI motherboard and the Ryzen 7 9700X processor only; DDR5 memory and a CPU cooler must be purchased separately.

Should I choose a DDR5-5600 kit or a faster EXPO module for this board?

The board's AEMP feature optimises standard DDR5-5600 kits automatically, while EXPO modules can run at higher speeds through manual UEFI tuning.

What does the 5.5 GHz boost clock mean for everyday gaming frame rates?

The 8-core, 16-thread Zen 5 chip can hit 5.5 GHz max boost, helping deliver 100+ FPS in popular titles when paired with a capable graphics card.

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