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Motherboards under $100

All motherboards

2 motherboards under $100 from ASRock, MSI, Shangzhaoyuan and more. Prices run $45 to $80.

All filtersFilters (1)×
SATA ports: 3  ×Clear all
BrandErchineko1Shangzhaoyuan1
SocketLGA11501LGA11551
Form factorITX1mATX1
Maximum memory16GB1
PCIe x16 slots11
SATA ports410326181
Wired LAN1G1
ChipsetIntel B851Intel H611
PriceUnder $501Under $751Under $1501$25 & above2$50 & above1$75 & above1
Clear allShow 2 motherboards
SATA ports: 3  ×2 resultsSort byRecommendedSpec scorePrice: low to highPrice: high to low
ShangzhaoyuanSpec score 8.1

LGA1150, mATX, 1 PCIe x16 slots, 3 SATA ports

+Compact mATX form factor for smaller cases
+Gigabit 1G LAN port
+Three SATA ports for storage drives
−Only one PCIe x16 slot limits expansion
−Uses the older LGA1150 socket
$80.99
as of 11/04/2026 07:07 PST - Details
ErchinekoSpec score 7.6

LGA1155, ITX, 16GB, 3 SATA ports

+Mini ITX size suits small form factor builds
+Supports up to 16GB of DDR3 memory
+Three SATA ports for storage drives
−Intel H61 chipset is an older, entry-level platform
−Uses LGA 1155 socket for older Intel processors
$44.60
as of 11/04/2026 14:08 PST - Details

Compare specs

motherboardSocketForm factorChipsetSpec scorePrice
LGA1150mATXIntel B858.1$80.99
as of 11/04/2026 07:07 PST - Details
LGA1155ITXIntel H617.6$44.60
as of 11/04/2026 14:08 PST - Details

Before you buy

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