The MSI MEG X570 UNIFY wins in 8 out of 13 comparable specs. Its biggest advantage is PCIe x16 Slots (200% better).
B660M DS3H DDR4 wins in 2 specs (MSRP: 70% better).
Recommendation
Choose MEG X570 UNIFY if you want the best overall performance — especially pcie x16 slots.
Choose B660M DS3H DDR4 if msrp matters more to you.
| Spec | GigabyteB660M DS3H DDR4 | MSIMEG X570 UNIFY |
|---|---|---|
| Platform | ||
| Socket | LGA1700 | AM4 |
| Chipset | B660 | X570 |
| Form Factor | Micro ATX | ATX |
| PCIe Gen | 4 | 4 |
| Memory | ||
| Memory Type | DDR4 | DDR4 |
| Memory Slots | 2 | 4+100% |
| Max Memory | 64 GB | 128 GB |
| Max Memory Speed | 4,800 MHz+4% | 4,600 MHz |
| Expansion | ||
| M.2 Slots | 2 | 3+50% |
| SATA Ports | 4 | 4 |
| PCIe x16 Slots | 1 | 3+200% |
| PCIe x1 Slots | 1 | 2+100% |
| Connectivity | ||
| USB Type-C | 0 | 1+100% |
| USB Type-A | 6 | 8+33% |
| Wi-Fi | N/A | Wi-Fi 6 |
| LAN | 2.5 GbE | 2.5 GbE |
| Audio | Realtek ALC897 | Realtek ALC1220 |
| Design | ||
| VRM Phases | 6+2+1 | 16+4+1+133% |
| Price | ||
| MSRP | $90−70% | $300 |
| Release Date | Jan 2022 | Oct 2019 |
