ASRock B550M-HDV AM4 AMD B550 SATA 6Gb/s Micro ATX AMD Motherboard

AMD B550
Supports 3rd Gen AMD AM4 Ryzen / future AMD Ryzen Processors (3000 and 4000 Series Processors)
AMD Ryzen series CPUs (Matisse) support DDR4 4600+(OC)/ 4533(OC)/ 4466(OC)/ 4400(OC)/ 4333(OC)/ 4333(OC)/ 4266(OC)/ 4200(OC)/ 4133(OC)/ 4000(OC)/ 3866(OC)/ 3800(OC)/ 3733(OC)/ 3600(OC)/ 3466(OC)/ 3200/ 2933/ 2667/ 2400/ 2133 ECC & non-ECC, un-buffered memory
AMD Ryzen series APUs support DDR4 4733+(OC)/ 4666(OC)/ 4600(OC)/ 4533(OC)/ 4466(OC)/ 4400(OC)/ 4333(OC)/ 4266(OC)/ 4200(OC)/ 4133(OC)/ 4000(OC)/ 3866(OC)/ 3800(OC)/ 3733(OC)/ 3600(OC)/ 3466(OC)/ 3200/ 2933/ 2667/ 2400/ 2133 ECC & non-ECC, un-buffered memory