Micro-ATX motherboard deals

Micro-ATX boards measure up to 244 × 244 mm, with up to four expansion slots and usually four memory slots, or two on the cheapest models. They fit both Micro-ATX and ATX cases and are often the cheapest version of a given chipset, at the cost of fewer M.2 and PCIe slots.

Guide: Micro-ATX motherboard form factor guide — Micro-ATX boards measure up to 244 x 244 mm and are often the cheapest way on to a chipset. What you give up against…

600 Micro-ATX motherboards tracked · from £27.68 · 34 with a Warehouse offer · showing 1–40

Micro-ATX motherboards, most popular
Board	Price	Saving	Warehouse	Buy
Gigabyte B550M AORUS ELITE MotherboardAM4 · B550 · Micro-ATX · DDR4 · first available Sep 2020 (6 yr 1 mo old) · RRP £110.992× M.2 · 4 RAM slots	£86.99as of 5 Nov, 12:21	—	—	Amazon Compare
MSI PRO B550M-P MotherboardAM4 · B550 · Micro-ATX · DDR4 · first available Jun 2026 (4 mo old) · RRP £84.992× M.2 · 4 RAM slots	£95.31as of 5 Nov, 12:22	—	—	Amazon Compare
MSI PRO B550M-P WIFI6E Motherboard Lowest we've recordedAM4 · B550 · Micro-ATX · DDR4 · WiFi · first available Jun 2026 (4 mo old) · RRP £89.99WiFi 6E · 2× M.2 · 4 RAM slots	£89.99as of 5 Nov, 12:22	8% less	£82.72	Amazon Compare
ASUS TUF GAMING B850M-PLUS WIFI AMD mATX motherboardAM5 · B850 · Micro-ATX · DDR5 · WiFi · first available Jan 2025 (1 yr 9 mo old) · RRP £282.75WiFi 6E · 2.5GbE · 3× M.2 · PCIe 5.0 · BIOS flashback	£195.00as of 5 Nov, 12:22	—1% under its 90-day usual	—	Amazon Compare
Gigabyte B850M DS3H MotherboardAM5 · B850 · Micro-ATX · DDR5 · first available Jan 2025 (1 yr 9 mo old) · RRP £159.992.5GbE · 1× M.2 · PCIe 5.0 · 4 RAM slots · BIOS flashback	£123.50as of 5 Nov, 12:22	—	—	Amazon Compare
Gigabyte B850M GAMING X WIFI6E MotherboardAM5 · B850 · Micro-ATX · DDR5 · WiFi · first available Jan 2025 (1 yr 9 mo old) · RRP £189.99WiFi 6E · 2.5GbE · 1× M.2 · PCIe 5.0 · 4 RAM slots	£153.98as of 5 Nov, 12:20	—	—	Amazon Compare
GIGABYTE B850M AORUS ELITE WIFI6E MotherboardAM5 · B850 · Micro-ATX · DDR5 · WiFi · first available Apr 2025 (1 yr 6 mo old) · RRP £219.99WiFi 6E · 2.5GbE · 1× M.2 · 4 RAM slots	£189.00as of 5 Nov, 12:23	—	—	Amazon Compare
MSI B850M GAMING PLUS WIFI6E MotherboardAM5 · B850 · Micro-ATX · DDR5 · WiFi · first available Jun 2025 (1 yr 4 mo old) · RRP £149.99WiFi 6E · 2.5GbE · 2× M.2 · PCIe 5.0 · 4 RAM slots	£139.99as of 5 Nov, 12:21	24% less	£106.64	Amazon Compare
MSI PRO B840M-P WIFI6E MotherboardAM5 · B840 · Micro-ATX · DDR5 · WiFi · first available Jun 2025 (1 yr 4 mo old) · RRP £129.99WiFi 6E · 2.5GbE · 2× M.2 · 4 RAM slots · USB-C 10Gbps	£129.99as of 5 Nov, 12:21	37% less	£81.77	Amazon Compare
MSI PRO B840M-B MotherboardAM5 · B840 · Micro-ATX · DDR5 · first available Jun 2025 (1 yr 4 mo old) · RRP £89.992.5GbE · 2× M.2 · 2 RAM slots	£89.99as of 5 Nov, 12:22	—	—	Amazon Compare
MSI B850M GAMING PLUS WIFI MotherboardAM5 · B850 · Micro-ATX · DDR5 · WiFi · first available Jun 2025 (1 yr 4 mo old) · RRP £169.99WiFi 7 · 5GbE · 2× M.2 · PCIe 5.0 · 4 RAM slots	£139.99as of 5 Nov, 12:23	11% less	£123.90	Amazon Compare
MSI PRO B850M-P WIFI MotherboardAM5 · B850 · Micro-ATX · DDR5 · WiFi · first available Jun 2025 (1 yr 4 mo old) · RRP £139.99WiFi 7 · 5GbE · 3× M.2 · PCIe 5.0 · 4 RAM slots	£149.99as of 5 Nov, 12:22	35% less	£98.00	Amazon Compare
MSI B840M GAMING PLUS WIFI6E MotherboardAM5 · B840 · Micro-ATX · DDR5 · WiFi · first available Jun 2025 (1 yr 4 mo old) · RRP £139.99WiFi 6E · 2.5GbE · 2× M.2 · 4 RAM slots · USB-C 10Gbps	£109.99as of 5 Nov, 12:23	—	—	Amazon Compare
MSI PRO B850M-A WIFI PZ MotherboardAM5 · B850 · Micro-ATX · DDR5 · WiFi · first available Oct 2025 (1 yr old) · RRP £189.99WiFi 7 · 5GbE · 2× M.2 · PCIe 5.0 · 4 RAM slots	£189.98as of 5 Nov, 12:22	—	—	Amazon Compare
ASUS TUF Gaming B550M-PLUSAM4 · B550 · Micro-ATX · DDR4 · first available Jun 2020 (6 yr 4 mo old) · RRP £129.992.5GbE · 2× M.2	£126.98as of 5 Nov, 12:21	—	—	Amazon Compare
ASUS PRIME B550M-AAM4 · B550 · Micro-ATX · DDR4 · first available Jan 2022 (4 yr 10 mo old) · RRP £93.862× M.2	£89.99as of 5 Nov, 12:21	—	—	Amazon Compare
ASUS Prime B550M-K AMD B550 30-day lowAM4 · B550 · Micro-ATX · DDR4 · first available Jan 2022 (4 yr 10 mo old) · RRP £134.992× M.2	£83.00as of 5 Nov, 12:21	4% less2% under its 90-day usual	—	Amazon Compare
Asustek computer PRIME B450M-K II ATX +2GLN+U3.2+M2 SATA6+4XDDR9AM4 · B450 · Micro-ATX · DDR4 · first available Nov 2020 (6 yr old) · RRP £72.99	£89.99as of 5 Nov, 12:21	—	—	Amazon Compare
1200 ASUS TUF GAMING B550M-PLUS WIFI IIAM4 · B550 · Micro-ATX · DDR4 · WiFi · first available Jan 2022 (4 yr 10 mo old) · RRP £166.99	£126.98as of 5 Nov, 12:21	—	—	Amazon Compare
ASUS PRIME B550M-A WIFI IIAM4 · B550 · Micro-ATX · DDR4 · WiFi · first available Dec 2021 (4 yr 11 mo old) · RRP £130.99WiFi 6 · 2× M.2 · 4 RAM slots	£89.99as of 5 Nov, 12:21	—	—	Amazon Compare
ASUS TUF GAMING B650M-PLUS AMD Ryzen AM5 Micro-ATX motherboardAM5 · B650 · Micro-ATX · DDR5 · first available Jan 2022 (4 yr 10 mo old) · RRP £219.032.5GbE · 3× M.2 · PCIe 5.0 · USB-C 5Gbps	£162.00as of 5 Nov, 12:21	—	—	Amazon Compare
ASUS ROG STRIX B850-G GAMING WIFI AMD B850 AM5 micro ATX MotherboardAM5 · B850 · Micro-ATX · DDR5 · WiFi · first available May 2025 (1 yr 6 mo old) · RRP £585.99WiFi 7 · 2.5GbE	£199.99as of 5 Nov, 12:21	3% less3% under its 90-day usual	—	Amazon Compare
ASUS TUF GAMING B650M-E WIFI AMD B650 Socket AM5 micro ATXAM5 · B650 · Micro-ATX · DDR5 · WiFi · first available Jan 2024 (2 yr 10 mo old) · RRP £173.99	£162.99as of 5 Nov, 12:20	—18% under its 90-day usual	—	Amazon Compare
ASUS EX-B850M-V7 AMD Micro-ATX MotherboardAM5 · B850 · Micro-ATX · DDR5 · first available Mar 2026 (8 mo old) · RRP £200.995GbE · 2× M.2 · PCIe 5.0 · USB-C 10Gbps	£94.95as of 5 Nov, 12:22	—28% under its 90-day usual	—	Amazon Compare
ASUS PRIME B550M-K WIFI Lowest we've recordedAM4 · B550 · Micro-ATX · DDR4 · WiFi · first available Jun 2026 (5 mo old)WiFi 6	£104.99as of 5 Nov, 12:22	—15% under its 90-day usual	—	Amazon Compare
MSI PRO B760M-P MotherboardLGA1700 · B760 · Micro-ATX · DDR5 · first available Jan 2023 (3 yr 10 mo old) · RRP £109.992× M.2 · 4 RAM slots · USB-C 10Gbps	£99.98as of 5 Nov, 12:23	—	—	Amazon Compare
MSI B760M PROJECT ZERO 90-day lowLGA1700 · B760 · Micro-ATX · DDR5 · WiFi · first available Jan 2024 (2 yr 9 mo old) · RRP £209.99WiFi 6E · 2.5GbE · 2× M.2 · PCIe 5.0 · 4 RAM slots	£125.99as of 5 Nov, 12:21	10% less10% under its 90-day usual	—	Amazon Compare
MSI PRO B760M-P DDR4 Motherboard 30-day lowLGA1700 · B760 · Micro-ATX · DDR4 · first available Feb 2023 (3 yr 8 mo old) · RRP £89.992× M.2 · 4 RAM slots · USB-C 10Gbps	£89.99as of 5 Nov, 12:20	—2% under its 90-day usual	—	Amazon Compare
Gigabyte A520M K V2 MotherboardAM4 · A520 · Micro-ATX · DDR4 · first available Jul 2023 (3 yr 3 mo old) · RRP £49.992 RAM slots	£44.99as of 5 Nov, 12:20	—	—	Amazon Compare
Gigabyte B550M K MotherboardAM4 · B550 · Micro-ATX · DDR4 · first available Feb 2023 (3 yr 8 mo old)2× M.2 · 4 RAM slots	£71.98as of 5 Nov, 12:21	—	—	Amazon Compare
Gigabyte B550M GAMING X WIFI6 MotherboardAM4 · B550 · Micro-ATX · DDR4 · WiFi · first available Apr 2025 (1 yr 6 mo old) · RRP £110.74WiFi 6 · 2× M.2 · 4 RAM slots	£114.98as of 5 Nov, 12:22	23% less	£88.79	Amazon Compare
Gigabyte B550M DS3H R2 Motherboard 30-day lowAM4 · B550 · Micro-ATX · DDR4 · first available Apr 2025 (1 yr 6 mo old) · RRP £179.992× M.2 · 4 RAM slots	£79.99as of 5 Nov, 12:23	—4% under its 90-day usual	—	Amazon Compare
ASUS AM5 B650EM MAX GAMING WIFIAM5 · B650E · Micro-ATX · DDR5 · WiFi · first available Mar 2026 (8 mo old) · RRP £209.99WiFi 6 · PCIe 5.0 · USB-C 10Gbps	£131.18as of 5 Nov, 12:23	—	—	Amazon Compare
MSI MAG B850M MORTAR WIFI Motherboard 30-day lowAM5 · B850 · Micro-ATX · DDR5 · WiFi · first available May 2025 (1 yr 6 mo old) · RRP £209.99WiFi 7 · 5GbE · 3× M.2 · PCIe 5.0 · 4 RAM slots	£169.86as of 5 Nov, 12:20	15% less6% under its 90-day usual	£144.39	Amazon Compare
ASUS TUF Gaming B850M-PLUS WIFI7 W Motherboard Socket AMD AM5 30-day lowAM5 · B850 · Micro-ATX · DDR5 · WiFi · first available Aug 2025 (1 yr 2 mo old) · RRP £235.99WiFi 7 · 2.5GbE · 3× M.2 · PCIe 5.0 · USB-C 20Gbps	£170.00as of 5 Nov, 12:21	—	—	Amazon Compare
TUF Gaming B850M-PLUS WIFI7 AMD B850 mATX Motherboard 30-day lowAM5 · B850 · Micro-ATX · DDR5 · WiFi · first available Oct 2025 (1 yr old)WiFi 7 · 2.5GbE · 3× M.2 · PCIe 5.0 · USB-C 20Gbps	£214.75as of 5 Nov, 12:22	—5% under its 90-day usual	—	Amazon Compare
ASUS ROG Strix B860-G Gaming WiFi mATX motherboardLGA1851 · B860 · Micro-ATX · DDR5 · WiFi · first available Jan 2025 (1 yr 9 mo old) · RRP £347.30WiFi 7 · 2.5GbE · 4× M.2 · PCIe 5.0 · Thunderbolt 4	£219.97as of 5 Nov, 12:22	4% less	—	Amazon Compare
MSI A520M-A PRO Motherboard mATXAM4 · A520 · Micro-ATX · DDR4 · first available Mar 2021 (5 yr 8 mo old) · RRP £59.99	£49.99as of 5 Nov, 12:21	—	—	Amazon Compare
MSI A520M PRO Motherboard 'mATXAM4 · A520 · Micro-ATX · DDR4 · first available Nov 2020 (6 yr old) · RRP £64.99	£54.98as of 5 Nov, 12:21	14% less	£47.16	Amazon Compare
MSI PRO B550M-B MotherboardAM4 · B550 · Micro-ATX · DDR4 · first available Jun 2026 (4 mo old) · RRP £74.992× M.2 · 2 RAM slots	£81.19as of 5 Nov, 12:22	—	—	Amazon Compare