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Motherboards under $100

All motherboards

7 motherboards under $100 from ASRock, MSI, Shangzhaoyuan and more. Most cost $54 to $70, and half cost less than $56.

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 00:04 PST - Details
OLurkthu

LGA2011-3, DDR4, Intel X99

+ECC memory support for error correction
+Uses DDR4 memory
+LGA2011-3 socket for Intel X99 processors
−Requires registered ECC DDR4 memory for full function
$44.75
as of 11/04/2026 00:31 PST - Details
Senecesli

LGA2011-3, mATX, 4 Memory slots, Intel X99

+Micro ATX form factor for compact builds
+Four RAM slots for expansion
+Includes an M.2 NVMe interface
−Uses DDR3 memory
$54.58
as of 11/04/2026 07:07 PST - Details
RuitutedianziSpec score 9.3

LGA2011-3, DDR4, 8 Memory slots, 2 PCIe x16 slots

+Supports dual CPU configurations
+Eight RAM slots for large memory capacity
+Six SATA ports for storage
$94.22
as of 11/04/2026 07:06 PST - Details
MachinistSpec score 8.6

LGA2011, mATX, DDR4, 2 M.2 slots

+Two M.2 slots for fast storage
+Supports DDR4 memory
+Four SATA ports for storage drives
$60.99
as of 11/04/2026 00:04 PST - Details
Tangxi

LGA2011-3, mATX, DDR4, 1G

+Intel X99 chipset with LGA2011-3 socket
+Compact mATX form factor
+DDR4 memory support with four channels
$70.92
as of 11/04/2026 07:10 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
LGA2011-3mATXIntel X998.1$54.14
as of 11/04/2026 00:04 PST - Details
LGA2011-3Intel X99n/a$44.75
as of 11/04/2026 00:31 PST - Details
LGA2011-3mATXIntel X99n/a$54.58
as of 11/04/2026 07:07 PST - Details
LGA2011-3Intel X999.3$94.22
as of 11/04/2026 07:06 PST - Details
LGA2011mATXIntel X998.6$60.99
as of 11/04/2026 00:04 PST - Details
LGA2011-3mATXIntel X99n/a$70.92
as of 11/04/2026 07:10 PST - Details
LGA2011-3mATXIntel X998.2$55.99
as of 11/04/2026 07:07 PST - Details

Before you buy

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