ASRock Motherboard B550M-HDV AMD AM4 Ryzen B550 Max 64GB DDR4 Micro ATX Retail

MPNB550M-HDVUnique FeatureASRock Super Alloy- Premium 50A Power Choke- Sapphire Black PCB- High Density Glass Fabric PCBASRock Hyper M.2 (PCIe Gen4x4) ASRock Full Spike Protection (for all USB, Audio, LAN Ports) ASRock Live Update and APP ShopCPU- Supports 3rd Gen AMD AM4 RyzenTM / future AMD RyzenTM Processorsnote1- 6 Power Phase designNote1: Not compatible with AMD RyzenTM 5 3400G and RyzenTM 3 3200G.Chipset- AMD B550Memory- Dual Channel DDR4 Memory Technology- 2 x DDR4 DIMM Slots- 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 and 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 / 266