Compare 4 motherboards

Side-by-side comparison of 4 motherboards
Specification	MSI B550-A PRO ProSeries Motherboard	ASUS PRIME B550-PLUS	Asrock B550 Pro4 AMD B550 Socket AM4 ATX	Gigabyte B550 UD AC
Price (new) (differs)	£109.99as of 5 Nov, 18:21	£109.75as of 5 Nov, 18:21	£107.49 (currently unavailable)as of 5 Nov, 18:20	£110.08as of 5 Nov, 18:20
RRP (differs)	£199.99	£124.56	£183.17	not stated
First available on Amazon (differs)	Jun 2020 (6 yr 4 mo old)	Jan 2022 (4 yr 10 mo old)	Jan 2024 (2 yr 10 mo old)	Feb 2023 (3 yr 9 mo old)
Brand (differs)	MSI	ASUS	ASRock	Gigabyte
RAM slots (differs)	not stated	not stated	not stated	4
Fastest RAM speed stated (differs)	4,400 MT/s	not stated	not stated	not stated
M.2 slots (differs)	not stated	2	not stated	2
Newest PCIe generation stated (differs)	PCIe 4.0	PCIe 4.0	not stated	PCIe 4.0
WiFi (differs)	None named in the listing title	None named in the listing title	None named in the listing title	Yes (generation not stated)
Wired LAN (differs)	not stated	1GbE	not stated	1GbE
Fastest USB-C port (differs)	not stated	10 Gbps	not stated	not stated
Power phases (as stated by the maker) (differs)	not stated	not stated	not stated	10+3
BIOS flashback (differs)	not stated	not stated	not stated	Yes
ARGB headers (differs)	not stated	Yes	not stated	Yes
Video outputs (differs)	HDMI, DisplayPort	not stated	not stated	HDMI
Amazon sales rank (differs)	#77,416	#1,641	#106,170	#8,291
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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