These two INTEL B560 board records share LGA1200, yet their memory and storage details must be checked separately. The comparison below draws from each linked ASUS specification; it is a reference for narrowing a purchase, not a substitute for either current manual.
The documented platform facts
PRIME B560-PLUS: LGA1200, DDR4, 4 DIMM slots, chipset text “Intel ® B560 Chipset”. PRIME B560M-A: LGA1200, DDR4, unverified DIMM slots, chipset text “B560”. The values come from different model pages even where the platform family is shared.
- Open /motherboards/asus/asus-prime-b560-plus/ for the first board's full source-linked record.
- Open /motherboards/asus/asus-prime-b560m-a/ for the second board's full source-linked record.
Memory purchase decision
Both maker pages list DDR4 memory, so the DDR generation does not distinguish these two models. Kit support and profile speed still need each board's own QVL.
For a real build, check the full memory kit SKU, CPU family, populated slot count and tested speed in the QVL for the board you choose. A DDR label gives physical generation, not an EXPO/XMP result or guaranteed four-DIMM operation.
M.2 slot evidence by model
PRIME B560-PLUS has 1 distinct M.2 slot IDs in the checked technical text; PRIME B560M-A has 2. This count is a guide to investigate, not proof that all slots are usable with every CPU.
PRIME B560-PLUS storage entries: M2_2: NVMe, lengths 2211/2242/2260/2280, PCIe Not verified.
PRIME B560M-A storage entries: M2_1: NVMe, lengths 2242/2260/2280, PCIe 4.0 x4; M2_2: NVMe, lengths 2242/2260/2280, PCIe 3.0 x4.
A slot mentioned in a product specification can still have CPU-family or shared-lane restrictions. Read the current manual's storage table, especially if you will use more than one drive or a PCIe expansion card.
CPU, BIOS and board revision
Both records use LGA1200, but that does not make an exact CPU automatically supported by both boards. Search each ASUS CPU support list for the actual processor SKU and stepping, then compare its listed BIOS against the firmware installed on the board. A retailer listing cannot establish the installed BIOS or PCB revision.
Choose using your actual parts
First eliminate any board with the wrong DDR generation for your existing kit. Next map each SSD to a documented slot and check length, protocol, lane sharing and heatsink clearance. Finally confirm the CPU BIOS condition and needed ports. If either specification omits a critical field, treat this comparison as a research starting point and use the linked maker manual before ordering.
Sources & verification
Manufacturer pages were checked on 2026-10-29. Recheck the current page before purchase.
- ASUS PRIME B560-PLUS technical specifications Checked 2026-10-29
- ASUS PRIME B560M-A technical specifications Checked 2026-10-29
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