Compare 2 motherboards

Side-by-side comparison of 2 motherboards

Specification	MSI MPG B550 GAMING PLUS Gaming Motherboard	MSI B550 GAMING Motherboard
Price (new) (differs)	£110.47as of 20 Sep, 06:20	£109.99as of 20 Sep, 06:22
Amazon Warehouse offer	not stated	not stated
RRP (differs)	not stated	£109.99
Price badge (differs)	90-day low	30-day low
First available on Amazon (differs)	Jul 2020 (6 yr 2 mo old)	Jun 2026 (2 mo old)
Brand	MSI	MSI
Socket	AM4	AM4
Chipset	B550	B550
Form factor	ATX	ATX
Memory type	DDR4	DDR4
RAM slots (differs)	not stated	4
Maximum RAM (differs)	128 GB	not stated
Fastest RAM speed stated (differs)	4,400 MT/s	4,800 MT/s
M.2 slots (differs)	not stated	2
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	None named in the listing title	None named in the listing title
Bluetooth	not stated	not stated
Wired LAN (differs)	not stated	1GbE
USB4 / Thunderbolt	not stated	not stated
Fastest USB-C port (differs)	not stated	10 Gbps
SATA ports	not stated	not stated
Power phases (as stated by the maker) (differs)	not stated	8+2+1
BIOS flashback	not stated	not stated
Debug LED / POST code	not stated	not stated
ARGB headers (differs)	Yes	not stated
Video outputs (differs)	HDMI, DisplayPort	not stated
Audio codec	not stated	not stated
Colour	not stated	not stated
Amazon sales rank (differs)	#70,115	#1,243
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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