| Model | ASUS PRIME B840M-A WIFI-CSM |
| CPU Socket | AMD AM5 |
| Chipset | AMD B840 |
| Form Factor | Micro-ATX |
| Memory Support | 4× DDR5 DIMM, Dual Channel, up to 256GB, up to 7600MT/s (OC), EXPO & AEMP support |
| Expansion Slots | 1× PCIe 4.0 x16 (SafeSlot Core+), 2× PCIe 3.0 x16 (x1 mode) |
| Storage | 3× M.2 Slots (2× PCIe 4.0 x4, 1× PCIe 3.0 x4), 4× SATA 6Gb/s Ports |
| Networking | 2.5Gb Ethernet (Realtek), Wi-Fi 6E (2×2), Bluetooth 5.3 |
| USB Ports | Rear: 2× USB 3.2 Gen2 Type-A, 1× USB 3.2 Gen1 Type-C, 4× USB 2.0 |
| Display Outputs | 2× DisplayPort, 1× HDMI 2.1 (CPU dependent) |
| Audio | Realtek 7.1 Surround Sound High Definition Audio |
| Cooling | VRM & Chipset Heatsinks, Multiple Fan Headers, AIO Pump Header |
| RGB Support | 3× Addressable Gen2 RGB Headers, Aura Sync Compatible |
| Special Features | BIOS FlashBack, Pre-mounted I/O Shield, Q-Antenna, Q-LED Core |
| Warranty | 3 Year |
