| Spec | ROG CROSSHAIR X870E HERO | B550 AORUS PRO AC |
|---|---|---|
| Platform | ||
| Socket | AM5 | AM4 |
| Chipset | AMD X870E | AMD B550 |
| Form Factor | ATX | ATX |
| Memory | ||
| Memory Type | DDR5 | DDR4 |
| Memory Slots | 4 | 4 |
| Max Memory | 256 GB+100% | 128 GB |
| Max Memory Speed | 8,600 MHz+72% | 5,000 MHz |
| Expansion | ||
| M.2 Slots | 5+150% | 2 |
| SATA Ports | 4 | 6+33% |
| PCIe x16 Slots | 2 | 3+33% |
| PCIe x1 Slots | 0 | 2+100% |
| Connectivity | ||
| Wi-Fi | Wi-Fi 7 | Wi-Fi 5 |
| LAN | 5Gbps | 2500Mbps |
| Price | ||
| Release Date | 2024-09-01 | 2020-06-01 |
