Quick Summary
The ASRock B450 PRO4 is an ATX motherboard with Socket AM4 support, built around the AMD Promontory B450 chipset. It includes a Digi Power design and 9 power phase design, with support listed for 105W water cooling on Pinnacle Ridge, 95W on Summit Ridge, and 65W on Raven Ridge.
It also provides four DDR4 DIMM slots, multiple PCI Express slots and SATA connectivity, so it gives buyers a clear set of platform and expansion details to check before choosing a board for a compatible build.
Who It Is Best For
This board is for buyers who need an ATX motherboard with Socket AM4 support and want to match the listed memory, expansion and SATA specifications to their build. It is also worth checking the processor generation, memory type and storage layout against the stated support details before ordering.
Key Details
| Detail | Verified information and buyer relevance |
|---|---|
| Product type | ATX motherboard, so the board size and case fit should be checked before purchase. |
| Socket | Socket AM4, which is the key processor fit point for this board. |
| Chipset | AMD Promontory B450. |
| Power design | Digi Power design with 9 power phase design. |
| Memory slots | 4x DDR4 DIMM slots. |
| Memory support | DDR4-3200+(OC)/2933/2667/2400/2133, Dual Channel, ECC, Non-ECC and Unbuffered memory are listed. |
| Maximum memory capacity | Up to 64GB, as stated for AMD Ryzen series CPUs (Pinnacle Ridge). |
| PCI Express slots | 4x PCI-Express 3.0 x16 slots, with one running at x8 and two at x4, plus 4x PCI Express 2.0 x1 slots. |
| SATA ports | 4x SATA3 ports plus 2x SATA3 ports by AS Media ASM1061. |
| Storage functions | RAID 0, 1 and 10, NCQ, AHCI and Hot Plug are listed for the SATA3 ports. |
What To Know Before You Buy
Check that your processor uses Socket AM4 before ordering. Review the memory type, slot count and the stated 64GB maximum capacity for the listed CPU condition. Also confirm that your case supports an ATX motherboard and that the PCI Express and SATA layout suits your build plan.
Common Buyer Questions
What socket does this motherboard use?
It uses Socket AM4, so your processor needs to match that socket.
How many memory slots are included?
There are 4x DDR4 DIMM slots.
What storage connections are listed?
The board lists 4x SATA3 ports plus 2x SATA3 ports by AS Media ASM1061.
Does it support RAID?
Yes, RAID 0, 1 and 10 are listed for the SATA3 ports.
Final Buying View
The B450 PRO4 is a Socket AM4 ATX motherboard with clearly stated memory, expansion and SATA details. Check processor socket fit, case size and the exact memory and storage layout before you choose it.
