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Micro-ATX motherboard with CPU installed, dark PCB and silver heatsinks

ASUS

ASUS B850M AYW GAMING WIFI + Ryzen 7 9850X3D AMD motherboard combo

SKU CH-HG54-5YYFQ

Pairs an AM5 micro-ATX board with 128 GB DDR5 support, PCIe 4.0 M.2, Wi-Fi 6 and 2.5 Gb Ethernet with an 8-core Ryzen 7 9850X3D running up to 5.6 GHz boost

  • CPU socketAM5
  • 8 cores and 16 threads deliver high multitasking throughput
  • 96 MB L3 cache with 2nd-gen 3D V-Cache cuts gaming latency
  • Dual-channel DDR5 up to 128 GB at 4733+ MHz OC for fast memory bandwidth
  • Wi-Fi 6 plus 2.5 Gb Ethernet and Bluetooth 5.2 give flexible connectivity
  • PCIe 4.0 M.2 and PCIe 3.0 M.2 slots plus six SATA 6 Gb/s ports enable rapid storage expansion

Combo Overview

This bundle pairs an ASUS B850M AYW GAMING WIFI motherboard with an AMD Ryzen 7 9850X3D processor. The board uses the AM5 socket and micro-ATX form factor. The CPU provides 8 cores and 16 threads with a 5.6 GHz max boost clock. It is aimed at gamers and builders who want a ready-to-run platform.

Platform Limits

The motherboard supports dual-channel DDR5 up to 128 GB at 4733 MHz OC. Storage includes one PCIe 4.0 M.2 slot, one PCIe 3.0 M.2 slot, and six SATA 6Gb/s ports. Networking uses Wi-Fi 6 (802.11ax), 2.5Gb Ethernet, and Bluetooth 5.2. Expansion offers a PCIe 4.0 x16 slot plus reinforced PCIe 3.0 slots.

Pre-Build Checks

Verify your chassis accepts a micro-ATX board and has clearance for the CPU cooler you choose, as none is included. Ensure the power supply provides the required ATX 12V connectors for the AM5 platform. Confirm any M.2 drives match the PCIe 4.0 or 3.0 slot keying. Check that rear I/O ports such as HDMI 2.0b and USB 3.2 Gen2 Type-C meet your display and peripheral needs.

How it compares

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

Price $777.99
Pricier than about 77% of the 1,906 comparable items (median $224.49).

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Specifications

Product
Brand nameASUS
Model nameB850M AYW GAMING WIFI+R7 9850 × 3D
Processor
CPU socketAM5

Questions about this item

Should I pick the B850M AYW GAMING WIFI board with the Ryzen 7 9850X3D or look for a different AM5 combo?

This combo pairs the B850M AYW GAMING WIFI motherboard with the Ryzen 7 9850X3D CPU. The board supports DDR5 up to 128 GB at 4733+ MHz OC, offers one PCIe 4.0 M.2 slot, one PCIe 3.0 M.2 slot, six SATA ports, Wi‑Fi 6, 2.5 Gb Ethernet and Bluetooth 5.2.

What does the 5.6 GHz max boost on the Ryzen 7 9850X3D actually deliver in a built system?

The 8‑core, 16‑thread Zen 5 processor reaches 5.6 GHz max boost and carries 96 MB L3 plus 8 MB L2 cache. That combination lowers latency and speeds up gaming workloads when paired with DDR5‑5600 memory on this AM5 platform.

How does the PCIe 5.0 label on the CPU side affect the storage and graphics slots on this B850 board?

The CPU provides PCIe 5.0 lanes, but the motherboard implements a PCIe 4.0 x16 graphics slot, one PCIe 4.0 M.2 slot and one PCIe 3.0 M.2 slot. Storage and GPU bandwidth are therefore capped at 4.0 and 3.0 speeds respectively.

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