Quick Summary
The ASRock B450 Pro4 R2.0 is an AMD B450 motherboard for Socket AM4 systems, identified by part number 90-MXBEE0-A0UAYZ. The available product information also highlights four DDR4 DIMM slots, dual channel memory support, and AMD Quad CrossFireX.
It is a motherboard for buyers who need to match an AM4 platform and want to check memory support carefully before ordering. The stated memory support includes DDR4-3200+ overclocked, 2933, 2667, 2400 and 2133, with a maximum capacity of 64GB for AMD Ryzen Series CPUs (Pinnacle Ridge).
Who It Is Best For
This board suits buyers building or replacing an AM4-based system who want the exact board name and part number to match their setup. It also suits users who need to compare the listed memory support and capacity against their chosen components.
Key Details
| Detail | Verified information and buyer relevance |
|---|---|
| Product name | ASRock B450 Pro4 R2.0 motherboard, which identifies the board clearly for selection and matching. |
| Chipset | AMD B450, which helps confirm the platform family. |
| Socket | Socket AM4, so the board needs to match an AM4-compatible build. |
| Part number | 90-MXBEE0-A0UAYZ, useful when checking the exact variant. |
| Memory slots | 4 x DDR4 DIMM slots, giving four memory positions to plan around. |
| Memory support | DDR4-3200+ (OC) / 2933 / 2667 / 2400 / 2133, with dual channel, ECC, non-ECC and unbuffered support stated. |
| Maximum memory | Up to 64GB, stated for AMD Ryzen Series CPUs (Pinnacle Ridge). |
| Multi-GPU support | AMD Quad CrossFireX is listed, which may matter to buyers checking expansion features. |
What To Know Before You Buy
Check that your build needs an AM4 motherboard before ordering. The memory support is specific, including the stated 64GB maximum with AMD Ryzen Series CPUs (Pinnacle Ridge), so it is worth matching your processor and RAM plan carefully. The part number 90-MXBEE0-A0UAYZ is also useful for confirming the exact board variant.
Common Buyer Questions
What socket does this motherboard use?
It uses Socket AM4.
How many memory slots does it have?
It has 4 x DDR4 DIMM slots.
What is the maximum memory capacity?
The stated maximum capacity is 64GB for AMD Ryzen Series CPUs (Pinnacle Ridge).
Does it support dual channel memory?
Yes, dual channel support is listed.
Final Buying View
Choose this motherboard if you need the ASRock B450 Pro4 R2.0 in an AMD B450 Socket AM4 format and the listed memory support fits your build. Confirm the part number, CPU platform and RAM requirements before ordering.
