Compare 4 motherboards

Side-by-side comparison of 4 motherboards
Specification	ASUS PRIME B450M-A II	Asro B450M PRO4 R2.0 B450	ASUS TUF GAMING B450M-PLUS II	B450M STEEL LEGEND Motherboard B450 AM4 DDR4 3200+(OC) 64GB support…
Price (new) (differs)	£170.65as of 27 Sep, 06:23	£189.17as of 27 Sep, 06:23	£144.77as of 27 Sep, 06:21	£201.39as of 27 Sep, 06:23
RRP (differs)	not stated	not stated	£101.26	£201.39
Price badge (differs)	not stated	not stated	30-day low	not stated
First available on Amazon (differs)	Sep 2020 (6 yr old)	Jan 2024 (2 yr 8 mo old)	Jan 2022 (4 yr 8 mo old)	Dec 2025 (9 mo old)
Brand (differs)	ASUS	ASRock	ASUS	WUKUBO
RAM slots (differs)	not stated	not stated	4	not stated
Fastest RAM speed stated (differs)	not stated	not stated	not stated	3,200 MT/s
Newest PCIe generation stated (differs)	not stated	PCIe 3.0	not stated	not stated
Wired LAN (differs)	1GbE	not stated	not stated	not stated
BIOS flashback (differs)	Yes	not stated	not stated	not stated
ARGB headers (differs)	Yes	not stated	Yes	not stated
Video outputs (differs)	HDMI	not stated	HDMI	not stated
Amazon sales rank (differs)	#1,754	#81,677	#26,878	not stated
Buy	Check price on Amazon	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.

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