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ATX motherboard with CPU installed, dark finish, silver heatsinks, rear I/O shield visible

ASUS

ASUS ROG STRIX B850-A GAMING WIFI S + Ryzen 7 9800X3D Combo

SKU CH-BYPK-CMJPF

A pre-matched AM5 motherboard and 8-core Ryzen CPU with 96 MB L3 cache, 16+2 70 A power stages, PCIe 5.0 graphics slot, dual M.2, WiFi 6E, 2.5 Gb LAN and 20 Gbps USB

  • CPU Socket TypeAM5
  • ChipsetAMD B850

Motherboard ROG STRIX B850-A GAMING WIFI S

Struck-through versions exist but are not stocked here.

CPU + Ryzen 7 9800X3D

  • Stable overclocking headroom from 16+2 power stages rated at 70A
  • Faster GPU and storage throughput with PCIe 5.0 x16 and dual M.2 slots
  • Lower CPU temperatures under load via VRM heatsinks with stacked fins and M.2 heatshields
  • Lag-free online gaming using WiFi 6E and 2.5G LAN with LANGuard
  • Higher frame rates in games from 96MB L3 cache and 5.2 GHz boost clock

AM5 motherboard and Ryzen 7 9800X3D bundle

This combo pairs an ASUS ROG STRIX B850-A GAMING WIFI S board with an AMD Ryzen 7 9800X3D processor. The motherboard uses the AMD B850 chipset and an AM5 socket to support Ryzen 7000, 8000 and 9000 series CPUs. It delivers a 16+2 power-stage design rated at 70A for stable overclocking.

Ideal for high-refresh gaming and heavy multitasking

The 8-core, 16-thread Ryzen 7 9800X3D runs on Zen 5 architecture with a 5.2 GHz max boost and 96 MB of L3 cache. Builders who need WiFi 6E, 2.5G LAN and USB 3.2 Gen 2x2 Type-C at 20 Gbps will benefit. Those requiring more than two M.2 slots or a different form factor should consider other boards.

PCIe 5.0 graphics slot and dual M.2 storage

The board provides one PCIe 5.0 x16 SafeSlot for a graphics card and two M.2 sockets wired for PCIe 5.0 x4 and PCIe 4.0 x4. VRM heatsinks with stacked fins and M.2 heatshields with thermal pads handle thermals. DDR5 memory is supported, and USB4 is available via an internal header.

Highlights

  • Stable overclocking headroom from 16+2 power stages rated at 70A
  • Faster GPU and storage throughput with PCIe 5.0 x16 and dual M.2 slots
  • Lower CPU temperatures under load via VRM heatsinks with stacked fins and M.2 heatshields
  • Lag-free online gaming using WiFi 6E and 2.5G LAN with LANGuard
  • Higher frame rates in games from 96MB L3 cache and 5.2 GHz boost clock

Specifications

BrandASUS
ModelROG STRIX B850-A GAMING WIFI S +(R7 9800X3D)
CPU Socket TypeAM5
ChipsetAMD B850

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