Compare 4 motherboards

Side-by-side comparison of 4 motherboards
Specification	Asrock B550 Pro4 AMD B550 Emplacement AM4 ATX	Gigabyte B550 EAGLE Motherboard	MSI B550-A PRO ProSeries Motherboard	ASUS PRIME B550-PLUS
Price (new) (differs)	£96.18as of 21 Sep, 12:20	£95.78as of 21 Sep, 12:22	£93.98as of 21 Sep, 12:20	£103.19as of 21 Sep, 12:20
RRP (differs)	£183.17	£102.41	£199.99	£124.56
Price badge (differs)	not stated	not stated	90-day low	not stated
First available on Amazon (differs)	Jan 2024 (2 yr 8 mo old)	Feb 2025 (1 yr 7 mo old)	Jun 2020 (6 yr 3 mo old)	Jan 2022 (4 yr 8 mo old)
Brand (differs)	ASRock	Gigabyte	MSI	ASUS
Fastest RAM speed stated (differs)	not stated	3,200 MT/s	4,400 MT/s	not stated
M.2 slots (differs)	not stated	2	not stated	2
Newest PCIe generation stated (differs)	not stated	PCIe 4.0	PCIe 4.0	PCIe 4.0
Wired LAN (differs)	not stated	1GbE	not stated	1GbE
Fastest USB-C port (differs)	not stated	not stated	not stated	10 Gbps
Power phases (as stated by the maker) (differs)	not stated	10+3+1	not stated	not stated
ARGB headers (differs)	not stated	not stated	not stated	Yes
Video outputs (differs)	not stated	HDMI, DisplayPort	HDMI, DisplayPort	not stated
Amazon sales rank (differs)	#90,418	#1,475	#28,571	#1,411
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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