Spec score 9.0
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 score9.0
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 1 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 19 here
+4TB maximum memory: only 1 of 28 here have a higher maximum memory
+16 memory slots: only 3 of 25 here have more memory slots
How pros and cons are picked (About: Disclaimer)About this product