AMD · 2020
B550
The B550 is a mid-range chipset for AMD AM4 motherboards, released in 2020. It supports PCIe 4.0, DDR4 memory, and CPU overclocking.
The B550 is a mid-range chipset for AMD AM4 motherboards, released on June 16, 2020. It supports PCIe 4.0, providing 10 chipset lanes, and uses a PCIe 4.0 x4 DMI link to the CPU. Memory support includes DDR4 with ECC capability, and both CPU and memory overclocking are supported. The chipset offers 6 SATA III ports, 2 USB 3.2 Gen 2, 2 USB 3.2 Gen 1, and 6 USB 2.0 ports. It does not support USB 3.2 Gen 2x2, USB4, or Thunderbolt. Integrated Ethernet, Wi-Fi, and Bluetooth are optional. The B550 is compatible with ATX, Micro-ATX, and Mini-ITX form factors. It succeeds the B450 and is succeeded by the B650.
Specifications
| Socket unverified | AM4 |
|---|---|
| Platform unverified | AM4 |
| TDP unverified | 7 W |
| PCIe version unverified | PCIe 4.0 |
| Total PCIe lanes (chipset) unverified | 10 |
| DMI version unverified | PCIe 4.0 x4 |
| Memory support unverified | DDR4 |
| ECC memory support unverified | Yes |
| SATA III ports unverified | 6 |
| USB4 ports unverified | 0 |
| USB 3.2 Gen 2x2 ports unverified | 0 |
| USB 3.2 Gen 2 ports unverified | 2 |
| USB 3.2 Gen 1 ports unverified | 2 |
| USB 2.0 ports unverified | 6 |
| Thunderbolt support unverified | No |
| Integrated Ethernet unverified | Optional |
| Integrated Wi-Fi unverified | Optional |
| Integrated Bluetooth unverified | Optional |
| CPU overclocking unverified | Yes |
| Memory overclocking (XMP/EXPO) unverified | Yes |
| Supported form factors unverified | ATX, Micro-ATX, Mini-ITX |
| Release date unverified | 2020-06-16 |
| Release year unverified | 2020 |
| Successor unverified | B650 |
| Predecessor unverified | B450 |