The ASRock B550 Steel Legend wins in 10 out of 13 comparable specs. Its biggest advantage is LAN (150% better).
B650M DS3H wins in 2 specs (Max Memory Speed: 33% better).
Recommendation
Choose B550 Steel Legend if you want the best overall performance — especially lan.
Choose B650M DS3H if max memory speed matters more to you.
| Spec | ASRockB550 Steel Legend | GigabyteB650M DS3H |
|---|---|---|
| Platform | ||
| Socket | AM4 | AM5 |
| Chipset | B550 | B650 |
| Form Factor | ATX | Micro ATX |
| PCIe Gen | 4 | 4 |
| Memory | ||
| Memory Type | DDR4 | DDR5 |
| Memory Slots | 4+100% | 2 |
| Max Memory | 128 GB+33% | |
| 96 GB |
| Max Memory Speed | 4,666 MHz | 6,200 MHz+33% |
| Expansion | ||
| M.2 Slots | 3+50% | 2 |
| SATA Ports | 6+50% | 4 |
| PCIe x16 Slots | 2+100% | 1 |
| PCIe x1 Slots | 2+100% | 1 |
| Connectivity | ||
| USB Type-C | 1+100% | 0 |
| USB Type-A | 6+20% | 5 |
| LAN | 2.5 GbE+150% | 1 GbE |
| Audio | Realtek ALC1200 | Realtek ALC897 |
| Design | ||
| VRM Phases | 12+2+75% | 5+2+1 |
| Price | ||
| MSRP | $130 | $110−15% |
| Release Date | Jun 2020 | Oct 2022 |
