Compare 3 motherboards

Side-by-side comparison of 3 motherboards

Specification	Asus PRIME B550M-K ARGB	ASUS Prime B550M-A/CSM AMD AM4	ASRock B550M Phantom Gaming 4
Price (new) (differs)	£82.15as of 23 Sep, 00:20	£81.74as of 23 Sep, 00:22	£82.76as of 23 Sep, 00:20
RRP (differs)	£99.99	not stated	£134.99
Price badge (differs)	not stated	Lowest we've recorded	not stated
First available on Amazon (differs)	Jan 2023 (3 yr 8 mo old)	Jun 2020 (6 yr 3 mo old)	Mar 2021 (5 yr 6 mo old)
Brand (differs)	ASUS	ASUS	ASRock
RAM slots (differs)	2	not stated	not stated
Fastest RAM speed stated (differs)	not stated	not stated	4,733 MT/s
M.2 slots (differs)	2	not stated	not stated
Wired LAN (differs)	1GbE	1GbE	not stated
Fastest USB-C port (differs)	5 Gbps	10 Gbps	not stated
ARGB headers (differs)	Yes	not stated	not stated
Video outputs (differs)	HDMI, DisplayPort	HDMI	not stated
Amazon sales rank (differs)	#88,685	#332,984	#66,849
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-K ARGB
• Remove ASUS Prime B550M-A/CSM AMD AM4
• Remove ASRock B550M Phantom Gaming 4

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