ASRock B850 Steel Legend WiFi vs ASRock X870 Pro RS WiFi
Key differences
- ASRock B850 Steel Legend WiFi: m.2 slots 4 vs 3 (25% higher)
Same on both: wi-fi Wi-Fi 7, pcie 5.0 m.2 slots 1, socket AM5, ethernet 2.5 Gbps, rear usb-c 2, bluetooth 5.4, pcie slots 1× PCIe 5.0 x16, 1× PCIe 4.0 x4 (x16 slot), sata ports 4, form factor ATX, memory type DDR5, gpu slot PCIe 5.0, rgb headers 3× ARGB, 1× RGB, max memory 256 GB, memory slots 4, bios flashback Yes, ethernet controller Realtek RTL8125BG 2.5Gb, front usb-c header 20Gb/s, max memory speed 8,000 MT/s.
| ASRock B850 Steel Legend WiFi | ASRock X870 Pro RS WiFi | |
|---|---|---|
| Released | 2025 | 2024 |
| USB4 | No | Yes |
| Wi-Fi | Wi-Fi 7 | Wi-Fi 7 |
| PCIe 5.0 M.2 slots | 1 | 1 |
| Socket | AM5 | AM5 |
| Chipset | B850 | X870 |
| Ethernet | 2.5 Gbps | 2.5 Gbps |
| M.2 slots | 4 | 3 |
| Rear USB | 2× 10Gb/s Type-C, 2× 10Gb/s Type-A, 3× 5Gb/s Type-A, 4× USB 2.0 | 2× USB4 40Gb/s Type-C, 4× 5Gb/s Type-A, 6× USB 2.0 |
| M.2 slots (detail) | 1× PCIe 5.0 x4, 3× PCIe 4.0 x4 | 1× PCIe 5.0 x4, 1× PCIe 4.0 x4, 1× PCIe 3.0 x4 |
| Rear USB-A | 9 | 10 |
| Rear USB-C | 2 | 2 |
| Bluetooth | 5.4 | 5.4 |
| PCIe slots | 1× PCIe 5.0 x16, 1× PCIe 4.0 x4 (x16 slot) | 1× PCIe 5.0 x16, 1× PCIe 4.0 x4 (x16 slot) |
| SATA ports | 4 | 4 |
| Audio | Realtek ALC4082 | Realtek ALC1220 |
| Fan headers | 6 | 7 |
| Form factor | ATX | ATX |
| Memory type | DDR5 | DDR5 |
| GPU slot | PCIe 5.0 | PCIe 5.0 |
| RGB headers | 3× ARGB, 1× RGB | 3× ARGB, 1× RGB |
| Internal USB headers | 1× USB-C 20Gb/s, 2× USB 5Gb/s (4 ports), 2× USB 2.0 (4 ports) | 1× USB-C 20Gb/s, 1× USB 5Gb/s (2 ports), 2× USB 2.0 (3 ports) |
| Max memory | 256 GB | 256 GB |
| Memory slots | 4 | 4 |
| Thunderbolt / USB4 | — | USB4 |
| BIOS flashback | Yes | Yes |
| Ethernet controller | Realtek RTL8125BG 2.5Gb | Realtek RTL8125BG 2.5Gb |
| Video outputs | 1× HDMI 2.1 | 1× HDMI 2.1, 2× USB4 Type-C (DP Alt) |
| Front USB-C header | 20Gb/s | 20Gb/s |
| Max memory speed | 8,000 MT/s | 8,000 MT/s |