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Motherboards under $100

All motherboards

79 motherboards under $100 from ASRock, MSI, Shangzhaoyuan and more. Most cost $37 to $92, and half cost less than $65.

Top brands: ASRock (12)MSI (5)ASUS (4)GIGABYTE (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 11/03/2026 23:11 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 11/03/2026 21:56 PST - Details
GIGABYTESpec score 8.1

AM5, mATX, DDR5, 1 M.2 slots

+Uses AM5 socket for newer Ryzen processors
+Supports DDR5 memory
+Includes PCIe 4.0 support
−Only one M.2 slot limits fast storage expansion
$89.99-10%List: $99.99
as of 11/03/2026 23:11 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 11/03/2026 21:56 PST - Details
ASRockSpec score 8.8

AM5, mATX, DDR5, 2 Memory slots

+Built-in Wi-Fi 5 for wireless connectivity
+2.5G LAN port for faster wired networking
+Four SATA ports for connecting multiple drives
−Only two RAM slots limit total memory capacity
$89.99
as of 11/03/2026 21:56 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 11/03/2026 21:56 PST - Details
ASUS

AM4, mATX, AMD A520

+Built-in 802.11ac Wi-Fi for wireless networking
+Compact microATX form factor
+AM4 socket supports 3rd Gen Ryzen processors
−A520 chipset has fewer features than B-series boards
$99.99
as of 11/03/2026 21:58 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
ASRockSpec score 9.1

AM5, mATX, DDR5, 2 M.2 slots

+Micro-ATX form factor fits compact builds
+Supports AMD Ryzen 7000, 8000 and 9000 processors
+PCIe 5.0 x16 slot for newer graphics cards
$99.99
as of 11/03/2026 21:56 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 11/03/2026 21:56 PST - Details
ASUSSpec score 8.9

AM4, mATX, DDR4, 2 M.2 slots

+2 m.2 slots: the most m.2 slots of the 19 here
+1G: only 4 of 29 here have a higher wired lan
$93.98
as of 11/03/2026 21:56 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 11/03/2026 21:56 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 11/03/2026 22:06 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 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 11/03/2026 21:56 PST - Details
ShangzhaoyuanSpec score 8.8

LGA2011, mATX, 256GB, 1G

+Supports up to 256GB of RAM
+ECC memory support for error-checking
+Gigabit 1G LAN port
−Uses DDR3 memory
−Uses the older LGA2011 socket
$52.99
as of 11/04/2026 07:07 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 11/03/2026 21:56 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 11/03/2026 22:47 PST - Details
ASRockSpec score 8.2

LGA1700, mATX, 1 PCIe x16 slots, 1 M.2 slots

+Supports Intel 14th, 13th and 12th Gen processors
+Four SATA ports for additional drives
+One M.2 slot for storage
−Only one PCIe x16 slot for expansion cards
$79.99
as of 11/03/2026 21:56 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
ASRockSpec score 8.1

LGA1851, mATX, DDR5, 2 Memory slots

+Supports Intel Core Ultra Series 2 processors
+DDR5 memory support
+PCIe 4.0 support
−Only two RAM slots for memory expansion
−Only one PCIe x16 slot for expansion cards
$79.99
as of 11/03/2026 21:56 PST - Details
BtseurySpec score 8.1

LGA1155, ITX, 1 PCIe x16 slots, 1G

+Compact Mini ITX form factor
+Dual channel DDR3 memory support
+M.2 NVMe slot for storage
−LGA1155 platform is an older generation
$39.69
as of 11/03/2026 22:15 PST - Details
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
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 11/03/2026 23:11 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

Compare specs

motherboardSocketForm factorChipsetSpec scorePrice
AM4mATXAMD B5508.6$74.99
as of 11/03/2026 23:11 PST - Details
AM4mATXAMD B5508.8$99.00
as of 11/03/2026 21:56 PST - Details
AM5mATXAMD A6208.1$89.99
as of 11/03/2026 23:11 PST - Details
LGA1700mATXIntel B7609.4$89.99
as of 11/03/2026 21:56 PST - Details
AM5mATX8.8$89.99
as of 11/03/2026 21:56 PST - Details
AM4mATXAMD B5508.0$69.99
as of 11/03/2026 21:56 PST - Details
AM4mATXAMD A520n/a$99.99
as of 11/03/2026 21:58 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
AM5mATXAMD B6509.1$99.99
as of 11/03/2026 21:56 PST - Details

Before you buy

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