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ASUS PRIME B840M-A-CSM
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ASUS PRIME B840M-A-CSM

Key Features

Socket
AM5
Chipset
AMD B840
Form Factor
Micro-ATX
Memory Type
DDR5
M.2 Slots
3 x M.2

Price comparison • £122.60 to £140.80 • See more in Motherboards

Price History

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Product Description

The ASUS PRIME B840M-A-CSM runs its primary slot at PCIe 4.0, offering substantial bandwidth for modern graphics cards and high-performance add-in cards. This Micro-ATX board uses the AMD B840 chipset, supporting a compact build without sacrificing essential features. Four DDR5 DIMM slots enable high-speed memory configurations, giving system builders flexibility for demanding multitasking or content creation. Read More...

You’ll find three M.2 slots supporting two Gen4 and one Gen3 drive, so storage expansion can take advantage of rapid NVMe speeds. The 2.5 GbE Ethernet connection provides fast, stable networking for office or creative workloads. Memory speed support reaches DDR5-7600+ (OC), which benefits users pushing for maximum memory bandwidth.

Product Information

Product NameASUS PRIME B840M-A-CSM
BrandASUS
Model NumberPRIME B840M-A-CSM

Product Features

SocketAM5
ChipsetAMD B840
Form FactorMicro-ATX
Memory TypeDDR5
Max Memory256 GB
Memory Slots4 x DIMM
Memory Speed SupportDDR5-7600+ (OC)
M.2 Slots3 x M.2
M.2 Support2 x Gen4; 1 x Gen3
SATA Ports4 x SATA
PCIE x16 Slots1 x PCIe x16
Primary Pcie VersionPCIe 4.0
Ethernet2.5 GbE
Rear USB1 x USB‑C 5 Gbps; 2 x USB‑A 10 Gbps; 4 x USB‑A 5 Gbps; 4 x USB‑A 2.0
Internal USB Headers1 x USB‑C header; 1 x USB 3.x header; 2 x USB 2.0 headers
CPU Power1 x 8‑pin EPS + 1 x 4‑pin EPS
RGB Headers3 x ARGB