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Motherboards under $100

All motherboards

3 motherboards under $100 from ASRock, MSI, Shangzhaoyuan and more. Prices run $54 to $89.

All filtersFilters (1)×
Maximum memory: 128GB  ×Clear all
BrandMachinist1MSI1Shangzhaoyuan1
SocketLGA2011-32AM41
Form factormATX3
Memory typeDDR43
Memory slots41
Maximum memory16GB9128GB332GB2256GB164GB18GB1
Wired LAN1G2
ECC memory supportECC memory support1
ChipsetIntel X992AMD B5501
PriceUnder $752Under $1503$25 & above3$50 & above3$75 & above1
Clear allShow 3 motherboards
Maximum memory: 128GB  ×3 resultsSort byRecommendedSpec scorePrice: low to highPrice: high to low
MSI

AM4, mATX, DDR4, 128GB

+Supports up to 128GB of memory
+PCIe 4.0 support for newer graphics cards and storage
+Micro-ATX form factor fits smaller builds
−Uses older DDR4 memory rather than DDR5
$89.99
as of 11/04/2026 18:06 PST - Details
MachinistSpec score 8.1

LGA2011-3, mATX, DDR4, 128GB

+Micro ATX form factor for a compact build
+Supports DDR4 memory up to 128GB
+1G LAN port for wired networking
−Fewer expansion slots than full ATX boards
$54.14-5%Was: $56.99
as of 11/04/2026 17:09 PST - Details
ShangzhaoyuanSpec score 8.2

LGA2011-3, mATX, DDR4, 4 Memory slots

+4 memory slots: only 1 of 22 here have more memory slots
+128GB maximum memory: only 1 of 17 here have a higher maximum memory
$55.99
as of 11/04/2026 07:07 PST - Details

Compare specs

motherboardSocketForm factorChipsetSpec scorePrice
AM4mATXAMD B550n/a$89.99
as of 11/04/2026 18:06 PST - Details
LGA2011-3mATXIntel X998.1$54.14
as of 11/04/2026 17:09 PST - Details
LGA2011-3mATXIntel X998.2$55.99
as of 11/04/2026 07:07 PST - Details

Before you buy

Other price ranges

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Popular filters

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