| Specification | Details |
|---|---|
| Brand | MSI |
| Model | B840M GAMING WIFI6E |
| Chipset | AMD B840 |
| CPU Socket | AMD AM5 |
| CPU Support | AMD Ryzen 9000 / 8000 / 7000 Series Desktop Processors |
| Form Factor | mATX |
| Dimensions | 226 × 243.84 mm |
| Memory Type | DDR5 UDIMM |
| Memory Slots | 2 × DIMM |
| Maximum Memory | 128GB |
| Memory Channel | Dual Channel |
| Memory Speed | DDR5 8000 - 5600 MT/s (OC) |
| JEDEC Speed | DDR5 5600 - 4800 MT/s |
| Memory Support | AMD EXPO, Memory Overclocking, Non-ECC, Un-buffered, CUDIMM |
| Primary PCIe Slot | 1 × PCIe 4.0 x16 |
| Secondary PCIe Slot | 1 × PCIe 3.0 x4 |
| M.2 Slots | 2 |
| M.2_1 | PCIe 4.0 x4, 2260/2280 |
| M.2_2 | PCIe 4.0 x4, 2260/2280 |
| SATA Ports | 4 × SATA 6Gb/s |
| SATA RAID | RAID 0 / RAID 1 / RAID 10 |
| LAN | Realtek 8125D 2.5Gbps |
| Wi-Fi | Wi-Fi 6E |
| Wireless Bands | 2.4GHz / 5GHz / 6GHz |
| Wireless Speed | Up to 2.4Gbps |
| Bluetooth | Bluetooth 5.3 |
| Audio Codec | Realtek ALC897 |
| Audio | 7.1-Channel High Definition Audio |
| HDMI | HDMI 2.1, up to 4K 60Hz |
| DisplayPort | DisplayPort 1.4, up to 4K 60Hz |
| Rear USB | 2 × USB 2.0, 4 × USB 5Gbps Type-A |
| Front USB | 4 × USB 2.0, 2 × USB 5Gbps Type-A, 1 × USB 5Gbps Type-C |
| CPU Fan Header | 1 |
| System Fan Headers | 2 |
| RGB Headers | 3 × Addressable V2 RGB, 1 × RGB |
| TPM | TPM 2.0 Header |
| Debug Features | 4 × EZ Debug LED, 1 × EZ Memory Detection LED |
| BIOS Feature | Flash BIOS Button |
| PCB | 6-Layer, 2oz Thickened Copper |
| Operating System | Windows 11 64-bit |
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