Compare 4 motherboards

Side-by-side comparison of 4 motherboards
Specification	MSI B550-A PRO ProSeries Motherboard	Asrock B550 Pro4 AMD B550 Emplacement AM4 ATX	MSI B550-A PRO Motherboard ATX	Gigabyte B550 EAGLE Motherboard
Price (new) (differs)	£93.98as of 21 Sep, 18:21	£96.18as of 21 Sep, 12:20	£89.99as of 21 Sep, 18:21	£95.78as of 21 Sep, 12:22
RRP (differs)	£199.99	£183.17	£104.99	£102.41
Price badge (differs)	90-day low	not stated	90-day low	not stated
First available on Amazon (differs)	Jun 2020 (6 yr 3 mo old)	Jan 2024 (2 yr 8 mo old)	Jun 2020 (6 yr 3 mo old)	Feb 2025 (1 yr 7 mo old)
Brand (differs)	MSI	ASRock	MSI	Gigabyte
Maximum RAM (differs)	not stated	not stated	128 GB	not stated
Fastest RAM speed stated (differs)	4,400 MT/s	not stated	4,400 MT/s	3,200 MT/s
M.2 slots (differs)	not stated	not stated	not stated	2
Newest PCIe generation stated (differs)	PCIe 4.0	not stated	PCIe 4.0	PCIe 4.0
Wired LAN (differs)	not stated	not stated	not stated	1GbE
Power phases (as stated by the maker) (differs)	not stated	not stated	not stated	10+3+1
BIOS flashback (differs)	not stated	not stated	Yes	not stated
ARGB headers (differs)	not stated	not stated	Yes	not stated
Video outputs (differs)	HDMI, DisplayPort	not stated	HDMI	HDMI, DisplayPort
Amazon sales rank (differs)	#28,533	#90,418	#1,400	#1,475
Buy	Check price on Amazon	Check price on Amazon	Check price on Amazon	Check price on Amazon

Highlighted rows differ between these boards. “Not stated” means the Amazon listing does not mention it: the board may still have it, so check the maker’s specification. Power phases are printed as stated by the maker and are not comparable between brands. Prices are the new price on Amazon.co.uk at the time shown; the price on Amazon when you buy is the one that applies.

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