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AMD B550 Motherboards

All motherboards

3 AMD B550 motherboards from MSI, GIGABYTE, ASUS and more. Prices run $70 to $89.

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M.2 slots: 1  ×Chipset: AMD B550  ×Clear all
BrandASRock2MSI1
SocketAM43
Form factormATX2ATX1
Memory typeDDR43
Memory slots2141
PCIe x16 slots12
M.2 slots2121331
Wired LAN1G2
ChipsetAMD B5503
PriceUnder $751Under $1003Under $1503$75 & above2
Clear allShow 3 motherboards
M.2 slots: 1  ×Chipset: AMD B550  ×3 resultsSort byRecommendedSpec scorePrice: low to highPrice: high to low
ASRockSpec score 8.0

AM4, mATX, DDR4, 2 Memory slots

+Micro-ATX form factor fits compact builds
+Supports AMD Ryzen 3000, 4000 and 5000 processors
+Supports DDR4 memory with overclocking up to 4733 MHz
−Only two RAM slots limit total memory capacity
$69.99
as of 11/04/2026 12:09 PST - Details
ASRockSpec score 8.7

AM4, ATX, DDR4, 1 PCIe x16 slots

+Standard ATX form factor offers room for expansion cards
+Four SATA ports for connecting multiple drives
+Built on the AMD B550 chipset
−Only one M.2 slot for solid-state storage
−Only one PCIe x16 slot limits expansion options
$89.99
as of 11/04/2026 12:09 PST - Details
MSISpec score 8.7

AM4, mATX, DDR4, 4 Memory slots

+Compact mATX form factor
+Four RAM slots for DDR4 memory
+AM4 socket supports AMD Ryzen 5000 and older series processors
−Only 1G LAN for wired networking
−Uses DDR4 memory rather than newer DDR5
$89.99
as of 11/04/2026 00:18 PST - Details

Compare specs

motherboardSocketForm factorMemory typeMemory slotsM.2 slotsSpec scorePrice
AM4mATXDDR4218.0$69.99
as of 11/04/2026 12:09 PST - Details
AM4ATXDDR418.7$89.99
as of 11/04/2026 12:09 PST - Details
AM4mATXDDR4418.7$89.99
as of 11/04/2026 00:18 PST - Details

Before you buy

Other Chipset options

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Popular filters

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