Compare prices from £133.49 to £156.84 • See more in Motherboards
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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 Name | ASUS PRIME B840M-A-CSM Motherboard |
|---|---|
| Brand | ASUS |
| Model Number | PRIME B840M-A-CSM |
| Socket | AM5 |
|---|---|
| Chipset | AMD B840 |
| Form Factor | Micro-ATX |
| Memory Type | DDR5 |
| Max Memory | 256 GB |
| Memory Slots | 4 x DIMM |
| Memory Speed Support | DDR5-7600+ (OC) |
| M.2 Slots | 3 x M.2 |
| M.2 Support | 2 x Gen4; 1 x Gen3 |
| SATA Ports | 4 x SATA |
| PCIE x16 Slots | 1 x PCIe x16 |
| Primary Pcie Version | PCIe 4.0 |
| Ethernet | 2.5 GbE |
| Rear USB | 1 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 Headers | 1 x USB-C header; 1 x USB 3.x header; 2 x USB 2.0 headers |
| CPU Power | 1 x 8-pin EPS + 1 x 4-pin EPS |
| RGB Headers | 3 x ARGB |
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