Spec score 9.5
LGA4189, E-ATX, DDR4, 16 Memory slots
+Supports up to 4096 GB of DDR4 memory
+Sixteen RAM slots for large memory configurations
+Four M.2 slots for multiple fast storage drives
$1,103.20
as of 11/04/2026 07:10 PST - DetailsProduct details
SUPERMICRO MBD-X12SPA-TF-O E-ATX Server Motherboard LGA 4189 C621A$1,103.20as of 11/04/2026 07:10 PST - Details
View on AmazonSpec score9.5
Pros
+Supports up to 4096 GB of DDR4 memory
+Sixteen RAM slots for large memory configurations
+Four M.2 slots for multiple fast storage drives
+Four PCIe x16 slots for multiple expansion cards
+ECC memory support for error-correcting RAM
Compared with the 2 motherboards on this page+4 m.2 slots: the most m.2 slots of the 6 here
+4 pcie x16 slots: the most pcie x16 slots of the 6 here
+4TB maximum memory: the highest maximum memory of the 8 here
+16 memory slots: the most memory slots of the 13 here
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