The MSI PRO B850M-A WIFI wins in 6 out of 13 comparable specs. Its biggest advantage is Max Memory (300% better).
B660M DS3H DDR4 wins in 1 spec (MSRP: 40% better).
Recommendation
Choose PRO B850M-A WIFI if you want the best overall performance — especially max memory.
Choose B660M DS3H DDR4 if msrp matters more to you.
| Spec | GigabyteB660M DS3H DDR4 | MSIPRO B850M-A WIFI |
|---|---|---|
| Platform | ||
| Socket | LGA1700 | AM5 |
| Chipset | B660 | B850 |
| Form Factor | Micro ATX | Micro ATX |
| PCIe Gen | 4 | 5+25% |
| Memory | ||
| Memory Type | DDR4 | DDR5 |
| Memory Slots | 2 | 4+100% |
| Max Memory | 64 GB | |
| 256 GB+300% |
| Max Memory Speed | 4,800 MHz | 7,200 MHz+50% |
| Expansion | ||
| M.2 Slots | 2 | 2 |
| SATA Ports | 4 | 4 |
| PCIe x16 Slots | 1 | 1 |
| PCIe x1 Slots | 1 | 1 |
| Connectivity | ||
| USB Type-C | 0 | 1+100% |
| USB Type-A | 6 | 6 |
| Wi-Fi | N/A | Wi-Fi 7 |
| LAN | 2.5 GbE | 2.5 GbE |
| Audio | Realtek ALC897 | Realtek ALC897 |
| Design | ||
| VRM Phases | 6+2+1 | 8+2+1+22% |
| Price | ||
| MSRP | $90−40% | $150 |
| Release Date | Jan 2022 | Jan 2025 |
