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Motherboards under $100

All motherboards

30 motherboards under $100 from ASRock, MSI, Shangzhaoyuan and more. Most cost $58 to $94, and half cost less than $81.

Top brands: ASRock (6)MSI (4)

GIGABYTESpec score 8.6

AM4, mATX, DDR4, 4 Memory slots

+Micro-ATX size is compact for smaller cases
+Four RAM slots supporting DDR4 memory
+Two M.2 slots for fast storage
−No built-in Wi-Fi
$74.99-25%List: $99.99
as of 11/04/2026 15:07 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
ASUSSpec score 9.4

LGA1700, mATX, DDR4, 2 M.2 slots

+Compact microATX form factor
+LGA1700 socket for Intel processors
+Two M.2 slots for SSD storage
$89.99-10%Was: $99.99
as of 11/04/2026 12:09 PST - Details
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
MSI

AM4, mATX, DDR4, AMD A520

+AM4 socket supports Ryzen 5000 series processors
+Compact micro-ATX form factor
+Includes M.2 slot for NVMe storage
−Uses older DDR4 memory rather than DDR5
−Only the basic A520 chipset, with limited overclocking support
$69.88
as of 11/04/2026 00:18 PST - Details
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 00:18 PST - Details
ASRock

AM4, DDR4, AMD B550

+Supports 3rd Gen AMD Ryzen and future AMD Ryzen processors
+Uses AM4 socket for a wide range of Ryzen chips
+AMD B550 chipset for AM4 platform builds
$89.99
as of 11/04/2026 12:09 PST - Details
ASUSSpec score 8.9

AM4, mATX, DDR4, 2 M.2 slots

+2 m.2 slots: the most m.2 slots of the 20 here
+1G: only 4 of 30 here have a higher wired lan
$93.98
as of 11/04/2026 12:09 PST - Details
ASRockSpec score 9.0

LGA1700, mATX, DDR4, 4 Memory slots

+Two M.2 slots for fast storage expansion
+Four RAM slots for up to four memory modules
+Four SATA ports for additional drives
$86.49-21%Was: $109.99
as of 11/04/2026 12:09 PST - Details
MSI

LGA1700, mATX, DDR4, 1G

+LGA 1700 socket supports 12th, 13th and 14th Gen Intel Core processors
+DDR4 memory support for lower-cost DDR4 kits
+PCIe 4 and SATA 6Gb/s connectivity
−H610 chipset offers no overclocking support
$84.99-15%List: $99.99
as of 11/04/2026 00:18 PST - Details
Biostar

LGA1151, DDR4

+Supports eight GPUs for mining setups
+LGA1151 socket for Intel 8th and 9th Gen processors
+DDR4 memory support
−Requires a separate CPU purchase
$64.99-7%Was: $69.95
as of 11/04/2026 13:07 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 00:04 PST - Details
ASRockSpec score 8.8

LGA1200, mATX, DDR4, 4 Memory slots

+Micro-ATX form factor fits compact builds
+Supports 10th and 11th Gen Intel Core processors on LGA1200
+Four RAM slots allow larger memory configurations
−Supports only 10th and 11th Gen Intel processors
$95.99
as of 11/04/2026 12:09 PST - Details
ASRockSpec score 8.3

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
Ecs IpcSpec score 8.3

LGA1700, mATX, DDR4, 1 PCIe x16 slots

+Micro ATX size suits compact builds
+Supports LGA 1700 12th to 14th generation Intel processors
+Uses DDR4 memory
−Only one PCIe x16 slot limits expansion options
$68.99
as of 11/04/2026 14:08 PST - Details
MSISpec score 8.2

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
XumiuziySpec score 8.2

LGA1200, ATX, DDR4, 1 PCIe x16 slots

+ATX form factor with room for expansion
+Socket LGA1200 with DDR4 memory support
+Supports up to 64GB at 2933MHz
−Only one PCIe x16 slot for graphics cards
$73.68
as of 11/04/2026 09:06 PST - Details
GIGABYTESpec score 8.0

AM4, mATX, DDR4, 2 Memory slots

+Uses AM4 socket for AMD Ryzen processors
+Includes NVMe PCIe 3.0 x4 M.2 slot
+Includes Gigabit LAN
−Only two RAM slots limit total memory expansion
$79.99
as of 11/04/2026 15:07 PST - Details
FauoswukSpec score 7.8

LGA1151, mATX, DDR4, 2 Memory slots

+Micro ATX form factor for a compact build
+Supports 6th and 7th Gen Intel Core processors
+Two DDR4 slots for memory upgrades
−Supports only two RAM slots, limiting total capacity
$82.89
as of 11/04/2026 00:07 PST - Details
MingzheSpec score 7.6

LGA1200, mATX, DDR4, 2 Memory slots

+Micro ATX form factor for a compact build
+Supports 10th Gen Intel Core processors
+Supports DDR4 memory up to 64GB
−Only two RAM slots, limiting total capacity
$92.69
as of 11/04/2026 00:13 PST - Details
Cjwdpdswez

LGA1151, mATX, DDR4, Intel B150

+Micro ATX size suits compact builds
+Supports LGA 1151 Intel processors
+Uses DDR4 memory
−Intel B150 chipset is an older platform
$87.28
as of 11/04/2026 14:10 PST - Details
Generic

AM4, DDR4, AMD A320

+AMD A320 chipset with AM4 socket for Ryzen processors
+Supports DDR4 memory at 3200+ MHz with overclocking
+NVMe M.2 interface for fast solid-state storage
−A320 chipset offers fewer overclocking and expansion options
$99.34
as of 11/04/2026 15:07 PST - Details
GIGABYTE

AM4, mATX, DDR4, 2 Memory slots

+Uses AM4 socket for AMD Ryzen processors
+Supports DDR4 memory
+Includes HDMI and D-Sub video outputs
−Only two RAM slots limit total memory expansion
−Lacks M.2 slot listed on the product
$67.00
as of 11/04/2026 15:07 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
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
DaconovoSpec score 7.5

LGA1151, mATX, DDR4, 2 Memory slots

+Micro ATX form factor for compact desktop builds
+Supports up to 32GB of DDR4 memory
+Two DDR4 memory slots for dual-channel memory
$57.79
as of 11/04/2026 14:05 PST - Details
ASRock

LGA1700, DDR4, 1 PCIe x16 slots, Intel H610

+Supports 13th Gen, 12th Gen and next gen Intel Core processors
+Uses LGA1700 socket for current Intel chips
+Intel H610 chipset with DDR4 memory support
$79.99
as of 11/04/2026 12:09 PST - Details

Compare specs

motherboardSocketForm factorChipsetSpec scorePrice
AM4mATXAMD B5508.6$74.99
as of 11/04/2026 15:07 PST - Details
AM4mATXAMD B5508.8$99.00
as of 11/04/2026 12:09 PST - Details
LGA1700mATXIntel B7609.4$89.99
as of 11/04/2026 12:09 PST - Details
AM4mATXAMD B5508.0$69.99
as of 11/04/2026 12:09 PST - Details
AM4mATXAMD A520n/a$69.88
as of 11/04/2026 00:18 PST - Details
AM4mATXAMD B550n/a$89.99
as of 11/04/2026 00:18 PST - Details
AM4AMD B550n/a$89.99
as of 11/04/2026 12:09 PST - Details
AM4mATXAMD B5508.9$93.98
as of 11/04/2026 12:09 PST - Details
LGA1700mATXIntel B7609.0$86.49
as of 11/04/2026 12:09 PST - Details
LGA1700mATXIntel H610n/a$84.99
as of 11/04/2026 00:18 PST - Details

Before you buy

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