ASRock B450M-HDV R4.0 AM4 AMD Promontory B450 SATA 6Gb/s Micro ATX AMD Motherboard
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ModelBrand ASRock
Model B450M-HDV R4.0
Supported CPUCPU Socket Type AM4
CPU Type Supports AMD Ryzen 5000 / 3000 / 2000 Series Processors
ChipsetsChipset AMD Promontory B450
MemoryNumber of Memory Slots 2x288pin (DDR4)
Memory Standard DDR4 3200 / 2933 / 2667 / 2400 / 2133 (AMD Ryzen series CPUs (Matisse) support)
DDR4 3200(OC)+ / 2933 / 2667 / 2400 / 2133 (AMD Ryzen series CPUs (Raven Ridge) support)
DDR4 3200(OC)+ / 2933(OC) / 2667 / 2400 / 2133 (AMD Ryzen series CPUs (Pinnacle Ridge) support)
DDR4 3200(OC)+ / 2933(OC) / 2667 / 2400 / 2133 (AMD Ryzen series CPUs (Summit Ridge) support)
DDR4 2933 / 2667 / 2400 / 2133 (AMD Ryzen series CPUs (Picasso) support)
Maximum Memory Supported 64GB
Channel Supported Dual Channel
ECC Supported Yes*
* For Ryzen Series CPUs (Picasso and Raven Ridge), ECC is only supported with PRO CPUs.
Buffer Supported Un-buffered
Expansion SlotsPCI Express 3.0 x16 1 x PCI Express 3.0 x16*
* Actual support may vary by CPU.
* Supports NVMe SSD as boot disks.
PCI Express x1 1 x PCI Express 2.0 x1
Storage DevicesSATA 6Gb/s 4 x SATA 6Gb/s
M.2 1 x Ultra M.2 Socket, supports M Key type 2242/2260/2280 M.2 SATA3 6.0Gb/s module and M.2 PCI Express module up to Gen3 x4 (32Gb/s) (with Matisse, Picasso, Summit Ridge, Raven Ridge and Pinnacle Ridge) or Gen3 x2 (16Gb/s) (with Athlon series APU)*
* Supports NVMe SSD as boot disks.
* Supports ASRock U.2 Kit.
