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	Yanmis Computer Motherboard
Price (new) (differs)	£80.14as of 5 Nov, 18:20	£144.77 (currently unavailable)as of 5 Nov, 18:21	£89.99as of 5 Nov, 18:21	£63.88as of 5 Nov, 18:23
Amazon Warehouse offer	not stated	not stated	not stated	not stated
RRP (differs)	£60.01	not stated	£72.99	£126.70
Price badge	not stated	not stated	not stated	not stated
First available on Amazon (differs)	Feb 2019 (7 yr 8 mo old)	Jan 2022 (4 yr 10 mo old)	Nov 2020 (6 yr old)	Mar 2025 (1 yr 7 mo old)
Brand (differs)	ASRock	ASUS	ASUS	Yanmis
Socket	AM4	AM4	AM4	AM4
Chipset	B450	B450	B450	B450
Form factor	Micro-ATX	Micro-ATX	Micro-ATX	Micro-ATX
Memory type	DDR4	DDR4	DDR4	DDR4
RAM slots (differs)	not stated	4	not stated	2
Maximum RAM (differs)	not stated	not stated	not stated	64 GB
Fastest RAM speed stated (differs)	not stated	not stated	not stated	3,600 MT/s
M.2 slots	not stated	not stated	not stated	not stated
Newest PCIe generation stated	not stated	not stated	not stated	not stated
PCIe 5.0 graphics slot	not stated	not stated	not stated	not stated
PCIe 5.0 M.2 slot	not stated	not stated	not stated	not stated
WiFi	None named in the listing title	None named in the listing title	None named in the listing title	None named in the listing title
Bluetooth	not stated	not stated	not stated	not stated
Wired LAN (differs)	not stated	not stated	1GbE	1GbE
USB4 / Thunderbolt	not stated	not stated	not stated	not stated
Fastest USB-C port	not stated	not stated	not stated	not stated
SATA ports	not stated	not stated	not stated	not stated
Power phases (as stated by the maker) (differs)	not stated	not stated	not stated	4+2
BIOS flashback	not stated	not stated	not stated	not stated
Debug LED / POST code	not stated	not stated	not stated	not stated
ARGB headers (differs)	not stated	Yes	not stated	not stated
Video outputs (differs)	not stated	HDMI	not stated	DisplayPort
Audio codec	not stated	not stated	not stated	not stated
Colour	not stated	not stated	not stated	not stated
Amazon sales rank (differs)	#50,825	#117,526	#1,641	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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