ASRock has introduced the B550 Rock WiFi, the latest board in its Rock Series line, which the company positions around reliable performance and solid build quality in a clean, modern design. The board supports AMD AM4 Socket Ryzen 3000, 3000 G-Series, 4000 G-Series, 5000, and 5000 G-Series desktop processors.
Power and Memory
- Power design: 10-phase power design, with an 8+2 power phase configuration and a pre-installed I/O shield.
- Memory: 4x DDR4 DIMM slots, dual channel, supporting up to 4733MT/s (OC), with a maximum system memory capacity of 128GB.
Connectivity
The B550 Rock WiFi includes ASRock’s Dragon 2.5G LAN (Realtek RTL8125BG) alongside an 802.11axe WiFi 6E module supporting Bluetooth 5.3 and MU-MIMO. Rear I/O includes 2 antenna ports, 1 HDMI port, 1 USB 3.2 Gen1 Type-C port, 4 USB 3.2 Gen1 Type-A ports, and 3 USB 2.0 ports.
Expansion and Storage
- Slots: 1 PCIe 4.0 x16 and 1 PCIe 3.0 x16 slot (mode varies by CPU generation), plus a reinforced steel PCIe 4.0 slot for heavier graphics cards.
- M.2 storage: 1 Hyper M.2 (PCIe Gen4x4), 1 Ultra M.2 (PCIe Gen3x4 / SATA3), and 1 M.2 (PCIe Gen3x2), plus 4 SATA3 connectors.
- Audio: Realtek ALC897 7.1-channel HD audio codec.
Design and Cooling
The board carries ASRock’s Polychrome RGB headers for lighting customization and is compatible with SignalRGB for cross-device lighting control. A Post Status Checker displays real-time CPU, DRAM, VGA, and boot device status via colored LEDs, and a toolless SSD installation latch simplifies M.2 drive swaps.
Key Specifications
| Spec | Detail |
|---|---|
| Chipset | AMD B550 |
| Socket | AM4 |
| Memory | 4x DDR4 DIMM, up to 4733MT/s (OC), max 128GB |
| Expansion | 1x PCIe 4.0 x16, 1x PCIe 3.0 x16 |
| Storage | 1x Hyper M.2 (Gen4x4), 1x Ultra M.2 (Gen3x4/SATA3), 1x M.2 (Gen3x2), 4x SATA3 |
| LAN | Realtek 2.5G (RTL8125BG) |
| Wireless | 802.11axe WiFi 6E, Bluetooth 5.3 |
| Audio | Realtek ALC897 7.1 CH HD Audio |
| Form factor | ATX, 12.0 x 9.6 inches |
Full specifications are available on ASRock’s official B550 Rock WiFi product page.
