| Spec | B550 Steel Legend | ROG STRIX Z490-E GAMING |
|---|---|---|
| Platform | ||
| Socket | AM4 | LGA1200 |
| Chipset | AMD B550 | Intel Z490 |
| Form Factor | ATX | ATX |
| Memory | ||
| Memory Type | DDR4 | DDR4 |
| Memory Slots | 4 | 4 |
| Max Memory | 128 GB | 128 GB |
| Max Memory Speed | 4,666 MHz+1% | 4,600 MHz |
| Expansion | ||
| M.2 Slots |
| 3+50% |
| 2 |
| SATA Ports | 6 | 6 |
| PCIe x16 Slots | 2 | 3+33% |
| PCIe x1 Slots | 2 | 3+33% |
| Connectivity | ||
| Wi-Fi | N/A | Wi-Fi 6 |
| LAN | 2500Mbps | 2500Mbps |
| Price | ||
| Release Date | 2020-06-01 | 2020-05-01 |
