Compare 3 motherboards

Side-by-side comparison of 3 motherboards
Specification	MSI B550 GAMING GEN3 ATX Motherboard	ASUS ROG Strix B550-A Gaming AMD AM4 Zen 3 Ryzen 5000 & 3rd Gen…	ASUS Prime B550-PLUS AC-HES AMD AM4
Price (new) (differs)	£207.29as of 6 Nov, 12:21	£217.05 (currently unavailable)as of 6 Nov, 12:20	£184.72as of 6 Nov, 12:21
Amazon Warehouse offer	not stated	not stated	not stated
RRP	not stated	not stated	not stated
Price badge (differs)	not stated	90-day low	not stated
First available on Amazon (differs)	Aug 2022 (4 yr 2 mo old)	Aug 2020 (6 yr 3 mo old)	Aug 2024 (2 yr 2 mo old)
Brand (differs)	MSI	ASUS	ASUS
Socket	AM4	AM4	AM4
Chipset	B550	B550	B550
Form factor	ATX	ATX	ATX
Memory type	DDR4	DDR4	DDR4
RAM slots	not stated	not stated	not stated
Maximum RAM	not stated	not stated	not stated
Fastest RAM speed stated (differs)	4,400 MT/s	not stated	not stated
M.2 slots (differs)	not stated	2	2
Newest PCIe generation stated (differs)	PCIe 3.0	PCIe 4.0	PCIe 4.0
PCIe 5.0 graphics slot	not stated	not stated	not stated
PCIe 5.0 M.2 slot	not stated	not stated	not stated
WiFi (differs)	None named in the listing title	None named in the listing title	WiFi 5
Bluetooth	not stated	not stated	not stated
Wired LAN (differs)	not stated	2.5GbE	1GbE
USB4 / Thunderbolt	not stated	not stated	not stated
Fastest USB-C port (differs)	not stated	10 Gbps	10 Gbps
SATA ports	not stated	not stated	not stated
Power phases (as stated by the maker) (differs)	not stated	not stated	8+1
BIOS flashback (differs)	not stated	Yes	not stated
Debug LED / POST code	not stated	not stated	not stated
ARGB headers (differs)	not stated	Yes	Yes
Video outputs (differs)	not stated	HDMI, DisplayPort	not stated
Audio codec	not stated	not stated	not stated
Colour	not stated	not stated	not stated
Amazon sales rank (differs)	#197,736	#231,268	#170,227
Buy	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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