Your case is a compact build and you still want the full AMD experience without compromise. The PRIME B850M-A WIFI-CSM packs Ryzen 9000, 8000, and 7000 series support (up to 170W), four DDR5 DIMM slots (256GB max), and a PCIe 5.0 x16 slot into an mATX footprint. Wi-Fi 6E across 2.4, 5, and 6GHz bands plus Bluetooth 5.3 keep you wireless without the dongle mess. Three M.2 slots and four SATA ports leave room for storage as your needs grow. 2.5Gb Ethernet, DisplayPort + HDMI onboard graphics, and up to 8000+MT/s memory speeds (OC). Smaller board, same performance
| brand | ASUS |
| model | PRIME B850M-A WIFI-CSM |
| socket | AM5 |
| chipset | AMD B850 |
| form_factor | mATX (24.4 × 24.4 cm) |
| memory_type | DDR5 |
| memory_slots | 4× DIMM |
| max_memory | 256GB |
| max_memory_speed | 8000+MT/s (OC) |
| primary_expansion_slot | PCIe 5.0 x16 |
| m2_slots | 3 |
| sata_ports | 4 |
| ethernet | Realtek 2.5Gb with LANGuard |
| wireless | Wi-Fi 6E (2x2, 802.11ax) |
| bluetooth | v5.3 |
| onboard_graphics | DisplayPort ×2 + HDMI |
| audio | Realtek 7.1 Surround, 24-bit/192kHz |
| bios | 256Mb Flash ROM, UEFI AMI |
| os_support | Windows 11, Windows 10 64-bit |
| cpu_max_tdp | 170W |
