Best Motherboards Under £400 (2026)
60 active motherboards priced at or below £400 · sorted by editor rating then price · prices update hourly
About this price band
The £400 cap is where most UK buyers in the motherboards market actually shop. Independent motherboard reviews, filtered by socket, chipset and form factor. Every board is tested against the latest BIOS and benchmarked against the major chipset alternatives at the same price point. We only feature products with a live, primary affiliate offer, so every entry can actually be bought today. Prices are pulled from Amazon UK and refreshed on a regular schedule, so what you see here is what you will pay on the merchant page when you click through.
Every motherboard we list under £400
Gigabyte B550 AORUS ELITE V2 Motherboard - Supports AMD Ryzen 5000 Series AM4 CPUs, 12+2 Phases Digital Twin Power Design, up to 4733MHz DDR4 (OC), 2xPCIe 3.0 M.2, 2.5GbE LAN, USB 3.2 Gen1
4.5/5£127.94
MSI PRO B650-A WIFI Motherboard, ATX - Supports AMD Ryzen 9000/8000 / 7000 Series Processors, AM5 - DDR5 Memory Boost 7600+MHz/OC, 2 x PCIe 4.0 x16, 3 x M.2 Gen4, Wi-Fi 6E
4.5/5£129.99
Gigabyte X870 AORUS ELITE WIFI7 Amd Am5 Socket Motherboard Atx 4X Ddr5 Slots 3X
4.5/5£251.47Targus DEFCON T-Lock Resettable Combo Cable Lock for Laptop Computer and Desktop Security (PA410U)
4.4/5£12.53
MSI PRO B650M-P Motherboard, Micro-ATX - Supports AMD Ryzen 9000/8000 / 7000 Series Processors, AM5 - DDR5 Memory Boost 6000+MHz/OC, 1 x PCIe 4.0 x16, 2 x M.2 Gen4, 2.5G LAN
4.4/5£99.99
ASUS ROG Strix B850-A Gaming WiFi AMD ATX motherboard, 14+2+2 power stages, DDR5 slots, four M.2 slots, PCIe 5.0, WiFi 7, USB 20Gbps Type-C and Aura Sync RGB
4.2/5£274.9
MSI MAG X870 TOMAHAWK WIFI Motherboard, ATX - Supports AMD Ryzen 9000/8000 / 7000 Processors, AM5-80A SPS VRM, DDR5 Memory Boost 8400+MT/s (OC), PCIe 5.0 x16 & 4.0 x16, M.2 Gen5, Wi-Fi 7, 5G LAN
4.0/5£189.99
