Compare 3 motherboards

Side-by-side comparison of 3 motherboards

Specification	MSI PRO B550M-B Motherboard	Gigabyte B550M DS3H R2 Motherboard	ASUS Prime B550M-K AMD B550
Price (new) (differs)	£81.19as of 5 Nov, 18:22	£79.99as of 5 Nov, 18:23	£84.41as of 5 Nov, 18:21
RRP (differs)	£74.99	£179.99	£134.99
Price badge (differs)	not stated	30-day low	not stated
First available on Amazon (differs)	Jun 2026 (4 mo old)	Apr 2025 (1 yr 6 mo old)	Jan 2022 (4 yr 10 mo old)
Brand (differs)	MSI	Gigabyte	ASUS
RAM slots (differs)	2	4	not stated
Fastest RAM speed stated (differs)	4,600 MT/s	4,733 MT/s	4,400 MT/s
Power phases (as stated by the maker) (differs)	not stated	5+3	not stated
Video outputs (differs)	not stated	HDMI, DisplayPort	HDMI
Amazon sales rank (differs)	#6,175	#1,849	#1,641
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.

• Remove MSI PRO B550M-B Motherboard
• Remove Gigabyte B550M DS3H R2 Motherboard
• Remove ASUS Prime B550M-K AMD B550

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