Compare 4 motherboards

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