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ASRock B850M Pro-A WiFi vs ASUS Prime A520M-K: Comparison
ASRock B850M Pro-A WiFi and ASUS Prime A520M-K separate most on max memory: ASRock B850M Pro-A WiFi at 256, ASUS Prime A520M-K at 64, 75% in favour of ASRock B850M Pro-A WiFi. M.2 Slots splits them by another 67%, again favouring ASRock B850M Pro-A WiFi. They match on platform and form factor.
Specs
| Specification |  |  |
|---|---|---|
| Platform | AMD | AMD |
| Socket Type | AM5 | AM4 |
| Socket | AM5 | AM4 |
| Form Factor | Micro-ATX | Micro-ATX |
| Chipset | B850 | A520 |
| Memory Type | DDR5 | DDR4 |
| Memory Slots | 4 | 2-50% |
| Max Memory | 256 | 64-75% |
| M.2 Slots | 3 | 1-67% |
| PCIe 5.0 Support | Yes | No |
| Wi-Fi Onboard | Yes | No |
| Model | B850M Pro-A WiFi | Prime A520M-K |
| VRM | 8+2+1 phase, Dr.MOS | Not officially disclosed by ASUS (entry-tier) |
| Memory | 4x DDR5 DIMM, up to 256GB, up to 8000+ MT/s (OC) | 2x DDR4 DIMM, dual-channel |
| Expansion | PCIe 5.0 x16 + PCIe 4.0 x4 | PCIe 3.0 x16 |
| Connectivity | SATA3, USB 3.2 | Basic rear I/O |
| Networking | 2.5G LAN, Wi-Fi 6E | Gigabit LAN (no built-in WiFi) |
| Audio | Realtek ALC897, 7.1-channel | Realtek codec |
| Special Features | 3x M.2 (1x Gen5 Blazing, 2x Gen4 Hyper) | 1x M.2 (NVMe) |
| CPU Support | AMD Ryzen 9000 / 8000 / 7000 series | AMD Ryzen 5000 (non-X3D) / 4000G / 3000 series |