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Dark grey mATX motherboard with yellow accents, large VRM heatsinks, two DDR5 slots, single PCIe x16 slot, dual M.2 shields

ASUS

ASUS TUF GAMING B850M-PLUS AMD motherboard AM5 DDR5 mATX WiFi 6E

SKU CH-4PRC-KC3DT

AM5 motherboard for Ryzen 7000/8000/9000 with DDR5, PCIe 5.0 graphics slot, dual M.2, 2.5Gb LAN, WiFi 6E, and 20Gbps USB Type-C

  • CPU Socket TypeAM5
  • Supports Ryzen 9000, 8000 and 7000 series CPUs via AM5 socket
  • Dual DDR5 DIMM slots reach 256 GB with AEMP and EXPO
  • PCIe 5.0 x16 SafeSlot plus two M.2 slots at 5.0 x4 and 4.0 x4
  • Realtek 2.5 Gb LAN and WiFi 6E plus USB 3.2 Gen 2×2 Type-C at 20 Gbps
  • Realtek ALC1220P 7.1 audio, VRM heatsinks, Q-Release GPU latch and BIOS FlashBack

AM5 motherboard with two DDR5 slots

The ASUS TUF GAMING B850M-PLUS is an mATX board built around the AMD B850 chipset and AM5 socket. It supports Ryzen 9000, 8000 and 7000 processors and accepts up to 256GB of DDR5 memory across two DIMM slots with AEMP optimisation and EXPO profiles. Integrated WiFi 6E and Realtek 2.5Gb LAN handle networking.

Suits compact builds needing one graphics card

This board fits mATX cases and provides a single PCIe 5.0 x16 SafeSlot for a GPU plus two M.2 slots, one at PCIe 5.0 x4 and one at PCIe 4.0 x4. Builders who need more than one x16 slot or more than two M.2 devices should choose a different form factor or chipset.

Two DDR5 DIMM slots limit total memory to 256GB

The board offers exactly two memory slots, so the maximum supported capacity is 256GB. Any configuration requiring four DIMM slots or a higher total memory ceiling cannot use this motherboard.

商品特色

  • Supports Ryzen 9000, 8000 and 7000 series CPUs via AM5 socket
  • Dual DDR5 DIMM slots reach 256 GB with AEMP and EXPO
  • PCIe 5.0 x16 SafeSlot plus two M.2 slots at 5.0 x4 and 4.0 x4
  • Realtek 2.5 Gb LAN and WiFi 6E plus USB 3.2 Gen 2×2 Type-C at 20 Gbps
  • Realtek ALC1220P 7.1 audio, VRM heatsinks, Q-Release GPU latch and BIOS FlashBack

商品規格

CPU Socket TypeAM5

商品問答

Will my existing DDR5 modules rated for EXPO profiles work in the two DIMM slots on this board?

The board provides two DDR5 slots with AEMP optimization and EXPO support, allowing up to 256GB of memory to run at the speeds programmed on the modules.

How can I confirm the PCIe 5.0 x16 SafeSlot and the two M.2 slots are running at their advertised speeds after assembly?

In UEFI BIOS, the PCIe slot configuration page shows the active link width and generation for the x16 slot and each M.2 socket; the OS device manager also reports the negotiated link speed for the GPU and installed drives.

Which items ship in the box and what must I source separately for a complete build?

The motherboard arrives with a pre-mounted I/O shield, Q-Release GPU latch and M.2 Q-Latch installed; you must supply an AM5 Ryzen 7000/8000/9000 processor, DDR5 memory, M.2 SSDs, GPU, power supply, case and cooling.

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