Compare 3 motherboards

Side-by-side comparison of 3 motherboards

Specification	ASUS Prime B550M-A/CSM AMD AM4	ASRock B550M Phantom Gaming 4	Asus PRIME B550M-K ARGB
Price (new) (differs)	£81.74as of 22 Sep, 18:22	£81.64as of 22 Sep, 18:20	£82.15as of 22 Sep, 18:20
RRP (differs)	not stated	£134.99	£99.99
Price badge (differs)	Lowest we've recorded	not stated	not stated
First available on Amazon (differs)	Jun 2020 (6 yr 3 mo old)	Mar 2021 (5 yr 6 mo old)	Jan 2023 (3 yr 8 mo old)
Brand (differs)	ASUS	ASRock	ASUS
RAM slots (differs)	not stated	not stated	2
Fastest RAM speed stated (differs)	not stated	4,733 MT/s	not stated
M.2 slots (differs)	not stated	not stated	2
Wired LAN (differs)	1GbE	not stated	1GbE
Fastest USB-C port (differs)	10 Gbps	not stated	5 Gbps
ARGB headers (differs)	not stated	not stated	Yes
Video outputs (differs)	HDMI	not stated	HDMI, DisplayPort
Amazon sales rank (differs)	#333,016	#66,888	#88,742
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 ASUS Prime B550M-A/CSM AMD AM4
• Remove ASRock B550M Phantom Gaming 4
• Remove Asus PRIME B550M-K ARGB

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