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B450 motherboard deals

B450 dates from 2018 and is PCIe 3.0 only, but board makers extended support all the way to Ryzen 5000 through BIOS updates. Boards sold as MAX models or with a recent BIOS will start a 5000-series chip straight away; older stock may need updating first, either with an earlier CPU or with a BIOS flashback button. CPU overclocking is supported.

Guide: AMD B450 chipset guide — B450 launched in 2018 and runs Ryzen 1000 to 5000 with the right BIOS. What the chipset offers, its PCIe 3.0 limit…

21 B450 motherboards tracked · from £61.88 · showing 1–21

B450 motherboards, most popular
BoardPriceSavingWarehouseBuy
Asus TUF GAMING B450-PLUS IIAM4 · B450 · ATX · DDR4 · first available Oct 2020 (6 yr old) · RRP £114.994 RAM slots
£114.99as of ——Amazon
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 ——Amazon
ASRock B450M-HDV R4.0 Socket AM4/ AMD Promontory B450/ DDR4/ SATA3&USB3.1/ M.2…AM4 · B450 · Micro-ATX · DDR4 · first available Feb 2019 (7 yr 8 mo old) · RRP £60.01
£80.14as of ——Amazon
Asro B450M PRO4 R2.0 B450AM4 · B450 · Micro-ATX · DDR4 · first available Jan 2024 (2 yr 10 mo old) · RRP £163.99
£201.89as of ——Amazon
B450 Gaming MotherboardAM4 · B450 · DDR4 · first available May 2025 (1 yr 5 mo old) · RRP £125.90
£71.52as of ——Amazon
ASUS TUF GAMING B450M-PLUS IIAM4 · B450 · Micro-ATX · DDR4 · first available Jan 2022 (4 yr 10 mo old)4 RAM slots
£144.77as of ——Amazon
B450 Motherboard, 2 Channel DDR4 Memory, PCIe Gen X16, Serial ATA 3.0, NGFF/NVME M.2…AM4 · B450 · DDR4 · first available Feb 2025 (1 yr 8 mo old) · RRP £131.66
£61.89as of —14% under its 90-day usual—Amazon
B450 Motherboard, 64GB DDR4 SATA 3.0 Computer Motherboard, M.2 Support, HDMI, PCI E 16X…AM4 · B450 · DDR4 · first available Mar 2025 (1 yr 8 mo old) · RRP £127.02
£61.88as of ——Amazon
Luobannm For MACHINIST B450 Motherboard Supports Ryzen 5500 5600 5600G CPU Dual-Channel…AM4 · B450 · DDR4 · first available Mar 2025 (1 yr 7 mo old)
£70.05as of —1% under its 90-day usual—Amazon
Gigabyte B450 AORUS Elite V2 MotherboardAM4 · B450 · DDR4 · WiFi · first available Oct 2020 (6 yr old)2× M.2 · 4 RAM slots
£189.99as of ——Amazon
Yanmis Computer MotherboardAM4 · B450 · Micro-ATX · DDR4 · first available Mar 2025 (1 yr 7 mo old) · RRP £126.702 RAM slots
£63.88as of ——Amazon
B450M STEEL LEGEND Motherboard B450 AM4 DDR4 3200+(OC) 64GB support 5600 1600 4700G 4300…AM4 · B450 · Micro-ATX · DDR4 · first available Dec 2025 (10 mo old) · RRP £201.39
£201.39as of ——Amazon
B450-F AM4 B450 ATX Motherboard 7/5/3 5800X 5600X 3600 CPU DDR4 USB 3.1 Gen 2 NVMe M.2AM4 · B450 · ATX · DDR4 · first available Jun 2026 (4 mo old) · RRP £185.64
£185.64as of ——Amazon
ASUS PRIME B450M-A IIAM4 · B450 · Micro-ATX · DDR4 · first available Sep 2020 (6 yr 2 mo old)BIOS flashback
No price——Amazon
ASRock B450 Pro 4 R2.0AM4 · B450 · DDR4 · first available Jan 2024 (2 yr 10 mo old)4 RAM slots
No price——Amazon
ASRock ATX MotherboardAM4 · B450 · ATX · DDR4 · first available Oct 2018 (8 yr old) · RRP £163.994 RAM slots · 4× SATA
No price——Amazon
MSI B450 TOMAHAWK MAX Motherboard 'ATXAM4 · B450 · ATX · DDR4 · first available Jul 2019 (7 yr 3 mo old)1× M.2
No price——Amazon
ASUS Prime B450M-A IIAM4 · B450 · Micro-ATX · DDR4 · first available Oct 2020 (6 yr 1 mo old)4 RAM slots · BIOS flashback
No price——Amazon
ASRock MicroATX MotherboardAM4 · B450 · Micro-ATX · DDR4 · first available Oct 2018 (8 yr old)2 RAM slots · 4× SATA
No price——Amazon
ASUS Prime B450M-A Micro ATX MotherboardAM4 · B450 · Micro-ATX · DDR4 · first available Aug 2018 (8 yr 3 mo old)
No price——Amazon
MACHINIST B450 AM4-K Motherboard for AMD Ryzen 1-5th gen ProcessorsAM4 · B450 · Micro-ATX · DDR4 · first available Aug 2025 (1 yr 2 mo old)2× M.2 · 2 RAM slots · 1× SATA
No price——Amazon

Tick two to four boards, then compare them side by side.

AM4 chipsets

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