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Motherboards under $300

All motherboards

9 motherboards under $300 from ASUS, GIGABYTE, MSI and more. Most cost $217 to $288, and half cost less than $265.

All filtersFilters (1)×
Socket: AM4  ×Clear all
BrandGIGABYTE1
SocketAM513LGA2011-310AM49LGA11515LGA17004LGA20113LGA11502LGA18512
Show all 12LGA12001LGA13561LGA13661LGA36471
Form factormATX6
Memory typeDDR46
Memory slots4322
M.2 slots21
Wired LAN2.5G1
Wi-FiWi-Fi 71
ChipsetAMD B4505AMD B5503AMD A3201
PriceUnder $2504$250 & above5
Clear allShow 9 motherboards
Socket: AM4  ×9 resultsSort byRecommendedSpec scorePrice: low to highPrice: high to low
GIGABYTESpec score 8.3

AM4, DDR4, 4 Memory slots, 2 M.2 slots

+Wi-Fi 7 built in, the newest wireless standard listed here
+2.5G LAN for faster wired networking
+Four RAM slots supporting DDR4 memory
$204.00-9%Was: $223.44
as of 11/04/2026 15:07 PST - Details
Generic

AM4, mATX, DDR4, AMD B450

+Micro-ATX form factor fits smaller cases
+AM4 socket for Ryzen processors
+Built for DDR4 memory modules
−Micro-ATX layout offers fewer expansion slots than ATX
$284.60
as of 11/04/2026 15:07 PST - Details
Generic

AM4, mATX, 2 Memory slots, AMD B450

+AMD B450 chipset with AM4 socket
+Micro-ATX form factor
+Two RAM slots listed
−Only two RAM slots limit total memory expansion
$231.26
as of 11/04/2026 00:16 PST - Details
Generic

AM4, 2 Memory slots, AMD A320

+Supports AMD Ryzen 3 3200G and 2200GE processors
+AM4 socket for AMD Ryzen processors
+Two DDR4 SO-DIMM memory slots
−Only two memory slots limit total RAM capacity
−Uses the AMD A320 chipset
$291.16
as of 11/04/2026 00:16 PST - Details
Generic

AM4, mATX, DDR4, 4 Memory slots

+Four DDR4 slots for expanding memory
+Micro-ATX form factor fits smaller builds
+Includes HDMI output for display connection
−Uses older DDR4 memory rather than DDR5
$268.12
as of 11/04/2026 00:16 PST - Details
Bjnskdgagb

AM4, mATX, DDR4, AMD B550

+AMD B550 chipset for AM4 Ryzen processors
+Micro-ATX form factor fits many standard cases
+Supports up to 128GB of DDR4 memory
$288.32
as of 11/04/2026 00:16 PST - Details
Jwzfccore

AM4, DDR4, AMD B450

+AM4 socket for Ryzen processors
+Dual-channel DDR4 memory support
+M.2 NVMe slot for fast storage
$216.82
as of 11/04/2026 00:16 PST - Details
Generic

AM4, mATX, 4 Memory slots, AMD B550

+AM4 socket supports a wide range of Ryzen processors
+Micro ATX form factor fits compact builds
+Four DDR4 slots allow larger memory configurations
$264.86
as of 11/04/2026 00:40 PST - Details
Generic

AM4, mATX, DDR4, AMD B450

+AMD B450 chipset for AM4 Ryzen processors
+Micro-ATX form factor fits many standard cases
+Supports up to 128GB of DDR4 memory
$237.46
as of 11/04/2026 00:16 PST - Details

Compare specs

motherboardSocketForm factorMemory typeChipsetSpec scorePrice
AM4DDR4AMD B5508.3$204.00
as of 11/04/2026 15:07 PST - Details
AM4mATXDDR4AMD B450n/a$284.60
as of 11/04/2026 15:07 PST - Details
AM4mATXAMD B450n/a$231.26
as of 11/04/2026 00:16 PST - Details
AM4AMD A320n/a$291.16
as of 11/04/2026 00:16 PST - Details
AM4mATXDDR4AMD B450n/a$268.12
as of 11/04/2026 00:16 PST - Details
AM4mATXDDR4AMD B550n/a$288.32
as of 11/04/2026 00:16 PST - Details
AM4DDR4AMD B450n/a$216.82
as of 11/04/2026 00:16 PST - Details
AM4mATXAMD B550n/a$264.86
as of 11/04/2026 00:40 PST - Details
AM4mATXDDR4AMD B450n/a$237.46
as of 11/04/2026 00:16 PST - Details

Before you buy

Other price ranges

PC Cases264CPU Coolers393Processors247Data Center GPUs82Graphics Cards371Power Supplies237Memory374Storage Drives577Binoculars228Network Cables1,382Cameras2,556Chromebooks196

Popular filters

DDR4 Motherboards199DDR5 Motherboards190ATX Motherboards165mATX Motherboards152Motherboards under $200112Motherboards under $150109AM5 Motherboards99Motherboards with 4 Memory Slots96

Motherboards by use

Gaming Motherboards81LGA1700 DDR5 Motherboards47Budget Motherboards58Workstation Motherboards60

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