Compare 4 motherboards

Side-by-side comparison of 4 motherboards
Specification	ASUS TUF GAMING B450M-PLUS II	Asustek computer PRIME B450M-K II ATX +2GLN+U3.2+M2 SATA6+4XDDR9	ASUS Prime B450M-A II	Asro B450M PRO4 R2.0 B450
Price (new) (differs)	£144.77as of 20 Sep, 06:20	£88.37as of 20 Sep, 06:20	not stated	£189.17as of 20 Sep, 06:20
RRP (differs)	£101.26	£72.99	not stated	not stated
First available on Amazon (differs)	Jan 2022 (4 yr 8 mo old)	Nov 2020 (5 yr 10 mo old)	Oct 2020 (5 yr 11 mo old)	Jan 2024 (2 yr 8 mo old)
Brand (differs)	ASUS	ASUS	ASUS	ASRock
RAM slots (differs)	4	not stated	4	not stated
Maximum RAM (differs)	not stated	not stated	128 GB	not stated
Fastest RAM speed stated (differs)	not stated	not stated	4,400 MT/s	not stated
Newest PCIe generation stated (differs)	not stated	not stated	not stated	PCIe 3.0
Wired LAN (differs)	not stated	1GbE	1GbE	not stated
BIOS flashback (differs)	not stated	not stated	Yes	not stated
ARGB headers (differs)	Yes	not stated	Yes	not stated
Video outputs (differs)	HDMI	not stated	HDMI	not stated
Amazon sales rank (differs)	#20,567	#1,413	#145,061	#84,194
Buy	Check price on Amazon	Check price on Amazon	See it 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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