ASRock B450M PRO4 R2.0 AM4 AMD Promontory B450 SATA 6Gb/s Micro ATX AMD Motherboard
Learn More About The ASRock B450M PRO4 R2.0
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Model
Brand ASRock
Model B450M PRO4 R2.0
Supported CPU
CPU Socket Type AM4
CPU Type Supports AMD AM4 Socket Ryzen 2000, 3000 and 5000 Series Desktop Processors
Chipsets
Chipset AMD Promontory B450
Memory
Number of Memory Slots 4x288pin (DDR4)
Memory Standard AMD Ryzen series CPUs (Matisse) support DDR4 3200/ 2933/ 2667/ 2400/ 2133 ECC & non-ECC, un-buffered memory*
AMD Ryzen series CPUs (Pinnacle Ridge) support DDR4 3200+(OC)/ 2933(OC)/ 2667/ 2400/ 2133 ECC & non-ECC, un-buffered memory*
AMD Ryzen series CPUs (Picasso) support DDR4 2933/ 2667/ 2400/ 2133 non-ECC, un-buffered memory*
AMD Ryzen series CPUs (Summit Ridge) support DDR4 3200+(OC)/ 2933(OC)/ 2667/ 2400/ 2133 ECC & non-ECC, un-buffered memory*
AMD Ryzen series CPUs (Raven Ridge) support DDR4 3200+(OC)/ 2933/ 2667/ 2400/ 2133 non-ECC, un-buffered memory*
* For Ryzen Series CPUs (Picasso and Raven Ridge), ECC is only supported with PRO CPUs.
Maximum Memory Supported 128GB
** Due to the operating system limitation, the actual memory size may be less than 4GB for the reservation for system usage under Windows 32-bit OS. For Windows 64-bit OS with 64-bit CPU, there is no such limitation.
Channel Supported Dual Channel
Expansion Slots
PCI Express 3.0 x16 AMD Ryzen series CPUs (Matisse, Summit Ridge and Pinnacle Ridge)
- 1 x PCI Express 3.0 x16 Slot (PCIE2: x16 mode)*
AMD Ryzen series CPUs (Picasso, Raven Ridge)
- 1 x PCI Express 3.0 x16 Slot (PCIE2: x8 mode)*
AMD Athlon series CPUs
- 1 x PCI Express 3.0 x16 Slot (PCIE2: x4 mode)*
* Supports NVMe SSD as boot disks
PCI Express 2.0 x16 AMD Ryzen series CPUs (Matisse, Summit Ridge and Pinnacle Ridge)
- 1 x PCI Express 2.0 x16 Slot (PCIE3: x4 mode)
AMD Ryzen series CPUs (Picasso, Raven Ridge)
- 1 x PCI Express 2.0 x16 Slot (PCIE3: x4 mode)
AMD Athlon series CPUs
- 1 x PCI Express 2.0 x16 Slot (PCIE3: x4 mode)
PCI Express x1 1 x PCI Express 2.0 x1 Slot
Storage Devices
SATA 6Gb/s 4 x SATA3 6.0Gb/s Connectors, support RAID, NCQ, AHCI and Hot Plug*
* M2_2 and SATA3_3 share lanes. If either one of them is in use, the other one will be disabled.
M.2 1 x Ultra M.2 Socket (M2_1), supports M Key type 2242/2260/2280 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)**
1 x M.2 Socket (M2_2), supports M Key type 2230/2242/2260/2280 M.2 SATA3 6.0Gb/s module
** Supports NVMe SSD as boot disks
** Supports ASRock U.2 Kit
