Compare 2 motherboards

Side-by-side comparison of 2 motherboards

Specification	ASUS Prime B450M-A II	Asro B450M PRO4 R2.0 B450
Price (new) (differs)	not stated	£189.17as of 20 Sep, 06:20
First available on Amazon (differs)	Oct 2020 (5 yr 11 mo old)	Jan 2024 (2 yr 8 mo old)
Brand (differs)	ASUS	ASRock
RAM slots (differs)	4	not stated
Maximum RAM (differs)	128 GB	not stated
Fastest RAM speed stated (differs)	4,400 MT/s	not stated
Newest PCIe generation stated (differs)	not stated	PCIe 3.0
Wired LAN (differs)	1GbE	not stated
BIOS flashback (differs)	Yes	not stated
ARGB headers (differs)	Yes	not stated
Video outputs (differs)	HDMI	not stated
Amazon sales rank (differs)	#145,061	#84,194
Buy	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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