Compare 4 motherboards

Side-by-side comparison of 4 motherboards
Specification	ASRock B450M-HDV R4.0 Socket AM4/ AMD Promontory B450/ DDR4…	ASUS TUF GAMING B450M-PLUS II	Asustek computer PRIME B450M-K II ATX +2GLN+U3.2+M2 SATA6+4XDDR9	MACHINIST B450 AM4-K Motherboard for AMD Ryzen 1-5th gen Processors
Price (new) (differs)	£80.14as of 18 Oct, 06:20	£144.77as of 18 Oct, 06:21	£87.19as of 18 Oct, 06:21	£79.16as of 18 Oct, 06:23
RRP (differs)	£60.01	not stated	£72.99	not stated
Price badge (differs)	not stated	30-day low	30-day low	90-day low
First available on Amazon (differs)	Feb 2019 (7 yr 7 mo old)	Jan 2022 (4 yr 9 mo old)	Nov 2020 (5 yr 11 mo old)	Aug 2025 (1 yr 1 mo old)
Brand (differs)	ASRock	ASUS	ASUS	Machinist
RAM slots (differs)	not stated	4	not stated	2
Maximum RAM (differs)	not stated	not stated	not stated	128 GB
Fastest RAM speed stated (differs)	not stated	not stated	not stated	3,600 MT/s
M.2 slots (differs)	not stated	not stated	not stated	2
Newest PCIe generation stated (differs)	not stated	not stated	not stated	PCIe 3.0
Wired LAN (differs)	not stated	not stated	1GbE	1GbE
SATA ports (differs)	not stated	not stated	not stated	1
ARGB headers (differs)	not stated	Yes	not stated	not stated
Video outputs (differs)	not stated	HDMI	not stated	HDMI, DisplayPort
Amazon sales rank (differs)	#50,825	#115,170	#1,549	#306,892
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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