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AMD B550 Motherboards

All motherboards

4 AMD B550 motherboards from MSI, GIGABYTE, ASUS and more. Prices run $99 to $126.

ASUSSpec score 9.1

AM4, ATX, DDR4, 2 M.2 slots

+PCIe 4.0 support for fast expansion
+Two M.2 slots for storage
+Wi-Fi 6 for wireless connectivity
$115.99-23%List: $149.99
as of 11/04/2026 12:10 PST - Details
GIGABYTESpec score 9.0

AM4, mATX, DDR4, 4 Memory slots

+Micro-ATX size is compact for smaller cases
+Wi-Fi 6 built in for wireless networking
+Four RAM slots supporting DDR4 memory
$126.00-19%List: $154.99
as of 11/03/2026 23:11 PST - Details
ASUSSpec score 8.8

AM4, mATX, DDR4, 1 PCIe x16 slots

+Compact microATX form factor
+DDR4 memory with ECC support
+PCIe 4.0 support
−Single PCIe x16 slot limits graphics card expansion
$99.00-17%List: $119.99
as of 11/04/2026 12:09 PST - Details
GIGABYTESpec score 8.8

AM4, ATX, DDR4, 4 Memory slots

+ATX form factor with room for full-size expansion cards
+Wi-Fi 6 built in for wireless networking
+Four RAM slots supporting DDR4 memory
$109.99-8%List: $119.99
as of 11/03/2026 23:11 PST - Details

Compare specs

motherboardSocketForm factorMemory typeMemory slotsM.2 slotsSpec scorePrice
AM4ATXDDR429.1$115.99
as of 11/04/2026 12:10 PST - Details
AM4mATXDDR4429.0$126.00
as of 11/03/2026 23:11 PST - Details
AM4mATXDDR428.8$99.00
as of 11/04/2026 12:09 PST - Details
AM4ATXDDR4428.8$109.99
as of 11/03/2026 23:11 PST - Details

Before you buy

Spec scores, pros and cons, and prices are explained in the How it works section of the About page.