Compare 3 motherboards

Side-by-side comparison of 3 motherboards
Specification	MSI MAG B550 TOMAHAWK Motherboard ATX	MSI B550-A PRO Motherboard ATX	MSI B550 GAMING WIFI Motherboard
Price (new) (differs)	not stated	£89.99as of 20 Sep, 06:20	£109.99as of 20 Sep, 06:20
Amazon Warehouse offer (differs)	not stated	not stated	£94.99 (Used - Like New)as of 20 Sep, 06:20
RRP (differs)	£169.99	£104.99	£119.99
Price badge (differs)	not stated	90-day low	not stated
First available on Amazon (differs)	Jun 2020 (6 yr 3 mo old)	Jun 2020 (6 yr 3 mo old)	Dec 2025 (9 mo old)
Brand	MSI	MSI	MSI
Socket	AM4	AM4	AM4
Chipset	B550	B550	B550
Form factor	ATX	ATX	ATX
Memory type	DDR4	DDR4	DDR4
RAM slots (differs)	not stated	not stated	4
Maximum RAM (differs)	128 GB	128 GB	not stated
Fastest RAM speed stated (differs)	4,866 MT/s	4,400 MT/s	4,400 MT/s
M.2 slots (differs)	2	not stated	2
Newest PCIe generation stated	PCIe 4.0	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 (differs)	not stated	not stated	5.0
Wired LAN (differs)	2.5GbE	not stated	1GbE
USB4 / Thunderbolt	not stated	not stated	not stated
Fastest USB-C port (differs)	not stated	not stated	10 Gbps
SATA ports	not stated	not stated	not stated
Power phases (as stated by the maker)	not stated	not stated	not stated
BIOS flashback (differs)	not stated	Yes	not stated
Debug LED / POST code	not stated	not stated	not stated
ARGB headers (differs)	Yes	Yes	not stated
Video outputs (differs)	HDMI	HDMI	not stated
Audio codec (differs)	ALC1200	not stated	not stated
Colour	not stated	not stated	not stated
Amazon sales rank (differs)	#99,737	#1,256	#1,256
Buy	See it 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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