Compare 2 motherboards

Side-by-side comparison of 2 motherboards

Specification	MSI B550 GAMING WIFI Motherboard	MSI B550-A PRO V1 ProSeries Motherboard
Price (new) (differs)	£109.99as of 20 Sep, 06:20	£111.79as of 20 Sep, 06:22
Amazon Warehouse offer (differs)	£94.99 (Used - Like New)as of 20 Sep, 06:20	not stated
RRP (differs)	£119.99	not stated
Price badge (differs)	not stated	90-day low
First available on Amazon (differs)	Dec 2025 (9 mo old)	Jun 2025 (1 yr 3 mo old)
Brand	MSI	MSI
Socket	AM4	AM4
Chipset	B550	B550
Form factor	ATX	ATX
Memory type	DDR4	DDR4
RAM slots (differs)	4	not stated
Maximum RAM (differs)	not stated	128 GB
Fastest RAM speed stated	4,400 MT/s	4,400 MT/s
M.2 slots (differs)	2	not stated
Newest PCIe generation stated	PCIe 4.0	PCIe 4.0
PCIe 5.0 graphics slot	not stated	not stated
PCIe 5.0 M.2 slot	not stated	not stated
WiFi (differs)	WiFi 5	None named in the listing title
Bluetooth (differs)	5.0	not stated
Wired LAN (differs)	1GbE	not stated
USB4 / Thunderbolt	not stated	not stated
Fastest USB-C port (differs)	10 Gbps	not stated
SATA ports	not stated	not stated
Power phases (as stated by the maker)	not stated	not stated
BIOS flashback	not stated	not stated
Debug LED / POST code	not stated	not stated
ARGB headers	not stated	not stated
Video outputs (differs)	not stated	HDMI, DisplayPort
Audio codec (differs)	not stated	ALC892
Colour	not stated	not stated
Amazon sales rank (differs)	#1,256	#190,660
Buy	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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