It's a close match. Both components tie in most comparable specs (5 ties out of 13 specs).
| Spec | MSIMAG B550 TOMAHAWK | MSIPRO B860M-A WIFI |
|---|---|---|
| Platform | ||
| Socket | AM4 | LGA1851 |
| Chipset | B550 | B860 |
| Form Factor | ATX | Micro ATX |
| PCIe Gen | 4 | 5+25% |
| Memory | ||
| Memory Type | DDR4 | DDR5 |
| Memory Slots | 4 | 4 |
| Max Memory | 128 GB | 192 GB |
| Max Memory Speed | 4,866 MHz | 7,200 MHz+48% |
| Expansion | ||
| M.2 Slots | 2 | 2 |
| SATA Ports | 6+50% | 4 |
| PCIe x16 Slots | 2+100% | 1 |
| PCIe x1 Slots | 2+100% | 1 |
| Connectivity | ||
| USB Type-C | 1 | 1 |
| USB Type-A | 6 | 6 |
| Wi-Fi | N/A | Wi-Fi 7 |
| LAN | 2.5 GbE | 2.5 GbE |
| Audio | Realtek ALC1200 | Realtek ALC897 |
| Design | ||
| VRM Phases | 10+2+1+18% | 8+2+1 |
| Price | ||
| MSRP | $160 | $150−6% |
| Release Date | Jul 2020 | Jan 2025 |
