ASRock B550-A Pro Socket AM4 B550 AM4 ATX M.2 Desktop Motherboard B

Compatible CPUs AMD Ryzen 2nd & 3rd Gen (No BIOS update Required) If your CPU is on the following list, it should work out of the box.
Ryzen 3 2200G
Ryzen 3 2300X
Ryzen 5 2400G
Ryzen 5 2600
Ryzen 5 2600X
Ryzen 7 2700
Ryzen 7 2700X

Ryzen 3 3200G
Ryzen 5 3600
Ryzen 5 3600X
Ryzen 7 3700X
Ryzen 7 3800X
Ryzen 9 3900X
Ryzen 9 3950X
Warning!!! BIOS Update required for 5th Generation AMD Ryzen CPUs. You can only update BIOS by using one of the above CPUs.
Ryzen 5 5600G
Ryzen 7 5700G
Ryzen 5 5600X
Ryzen 7 5800X
Ryzen 9 5900X
Ryzen 9 5950X

Not Compatible CPUs AMD Ryzen 1st Gen (Not compatible even with BIOS update)
Ryzen 3 1300
Ryzen 3 1300X
Ryzen 5 1400
Ryzen 5 1500
Ryzen 5 1500X
Ryzen 5 1600
Ryzen 5 1600X
Ryzen 7 1700
Ryzen 7 1700X
Ryzen 7 1800X

Refurbished. Tested and 100% Functional. This product shows moderate signs of use and/or cosmetic blemishes (e.g. Scratches, Scuffs, dings, missing paint, residue, dust, etc.)This listing is for a Motherboard ONLY. (Any other accessories such as, but not limited to I/O Shield (Unless IO Shield is Built in), SATA cables, IDE cables, Wifi antenna, OC panel, USB/ESATA/Network/M.2 expansion cards, SLI Bridges, Driver Disk, User Manual are NOT included in the sale)

ASRock B550-A Pro Socket AM4 B550 AM4 ATX M.2 Desktop Motherboard B

SPECIFICATIONS
Brand: ASRock
Model: B550-A Pro
Form Factor: ATX
Chip Set: B550
Socket Type: AM4
PCIe Slots: PCI Express 4.0 x16
M.2 Slots: 2
Accessories: None. Motherboard Only. No I/O shield or accessories included.
30 Day Computer Headquarters Warranty.
No Manufacturer Warranty.