Spec score 8.8
AM5, mATX, DDR5, 2 Memory slots
+Compact mATX form factor for smaller builds
+Two M.2 slots for fast storage
+Supports DDR5 memory with 8000+ MT/s boost
−Only two RAM slots limit total memory expansion
−Single PCIe x16 slot limits graphics card expansion options
$114.99
as of 11/04/2026 00:18 PST - DetailsProduct details
MSI PRO B840M-B Motherboard, mATX - Supports AMD Ryzen 9000/8000 / 7000 Processors, AM5 - DDR5 Memory Boost (8000+ MT/s
$114.99as of 11/04/2026 00:18 PST - Details
View on AmazonSpec score8.8
Pros
+Compact mATX form factor for smaller builds
+Two M.2 slots for fast storage
+Supports DDR5 memory with 8000+ MT/s boost
+2.5G LAN for faster wired networking
Cons−Only two RAM slots limit total memory expansion
−Single PCIe x16 slot limits graphics card expansion options
Compared with the 9 motherboards on this page+1 pcie x16 slots: the most pcie x16 slots of the 12 here
+2 memory slots: the most memory slots of the 40 here
+2 m.2 slots: only 1 of 18 here have more m.2 slots
+2.5G: only 4 of 23 here have a higher wired lan
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