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Dark green micro-ATX board with silver VRM heatsinks, M.2 shields and rear I/O cover

ASUS

ASUS PRIME B840M-A WIFI AMD motherboard

SKU CH-TP43-B7WHK

Micro-ATX AMD board for AM5 CPUs with DDR5 up to 7600 MT/s, 64 Gbps M.2, Wi-Fi 6E and 2.5 Gb Ethernet

  • CPU Socket TypeAM5
  • Stable power delivery with 8+2+1 power modules and six-layer PCB
  • DDR5 memory speeds up to 7600 MT/s when overclocked
  • Comprehensive cooling via VRM heatsinks, thermal pads, M.2 heatsink and water-pump header
  • Wi-Fi 6E and Realtek 2.5Gb Ethernet for fast wireless and wired networking
  • PCIe 4.0 support plus front and rear USB 5Gbps Type-C ports

AM5 micro-ATX board for DDR5 builds

The ASUS PRIME B840M-A WIFI fits AM5 processors into a micro-ATX form factor. It delivers an 8+2+1 power module layout on a six-layer PCB with Digi+ VRM control. Wi-Fi 6E and Realtek 2.5Gb Ethernet handle networking, while rear and front USB 5Gbps Type-C ports plus dual DisplayPort outputs cover display and peripheral needs.

Suits compact DDR5 systems.

Builders assembling a small-footprint AMD platform with high-speed DDR5 memory and integrated wireless will find the feature set aligned. The board provides three M.2 sockets, so anyone planning four or more high-speed drives should look at larger form-factor alternatives with additional slots.

DDR5 7600 MT/s ceiling decides memory headroom

The supported overclocked memory speed of DDR5 7600+ MT/s sets the practical limit for memory performance on this platform. If your workload demands memory frequencies beyond that figure, a board validated for higher DDR5 speeds will be required.

Points forts

  • Stable power delivery with 8+2+1 power modules and six-layer PCB
  • DDR5 memory speeds up to 7600 MT/s when overclocked
  • Comprehensive cooling via VRM heatsinks, thermal pads, M.2 heatsink and water-pump header
  • Wi-Fi 6E and Realtek 2.5Gb Ethernet for fast wireless and wired networking
  • PCIe 4.0 support plus front and rear USB 5Gbps Type-C ports

Caractéristiques

CPU Socket TypeAM5

Questions sur cet article

Does the ASUS PRIME B840M-A WIFI include a CPU cooler or memory in the box, or must they be purchased separately?

The motherboard ships as a bare board; a compatible AM5 processor, DDR5 memory modules and a CPU cooler are all separate purchases.

Which DDR5 speed should I target for the ASUS PRIME B840M-A WIFI?

The board is validated for DDR5 7600+ MT/s when overclocked, so kits rated at or above that frequency will run at their advertised speeds.

What does the 64 Gbps M.2 figure mean for real-world storage performance?

That bandwidth ceiling matches PCIe 4.0 x4, so a modern PCIe 4.0 SSD will saturate the link and deliver its full sequential read and write rates.

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