Compare 3 motherboards

Side-by-side comparison of 3 motherboards
Specification	Yanmis Computer Motherboard	ASRock B450M-HDV R4.0 Socket AM4/ AMD Promontory B450/ DDR4…	Asustek computer PRIME B450M-K II ATX +2GLN+U3.2+M2 SATA6+4XDDR9
Price (new) (differs)	£63.88as of 5 Nov, 18:23	£80.14as of 5 Nov, 18:20	£89.99as of 5 Nov, 18:21
Amazon Warehouse offer	not stated	not stated	not stated
RRP (differs)	£126.70	£60.01	£72.99
Price badge	not stated	not stated	not stated
First available on Amazon (differs)	Mar 2025 (1 yr 7 mo old)	Feb 2019 (7 yr 8 mo old)	Nov 2020 (6 yr old)
Brand (differs)	Yanmis	ASRock	ASUS
Socket	AM4	AM4	AM4
Chipset	B450	B450	B450
Form factor	Micro-ATX	Micro-ATX	Micro-ATX
Memory type	DDR4	DDR4	DDR4
RAM slots (differs)	2	not stated	not stated
Maximum RAM (differs)	64 GB	not stated	not stated
Fastest RAM speed stated (differs)	3,600 MT/s	not stated	not stated
M.2 slots	not stated	not stated	not stated
Newest PCIe generation stated	not stated	not stated	not stated
PCIe 5.0 graphics slot	not stated	not stated	not stated
PCIe 5.0 M.2 slot	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
Bluetooth	not stated	not stated	not stated
Wired LAN (differs)	1GbE	not stated	1GbE
USB4 / Thunderbolt	not stated	not stated	not stated
Fastest USB-C port	not stated	not stated	not stated
SATA ports	not stated	not stated	not stated
Power phases (as stated by the maker) (differs)	4+2	not stated	not stated
BIOS flashback	not stated	not stated	not stated
Debug LED / POST code	not stated	not stated	not stated
ARGB headers	not stated	not stated	not stated
Video outputs (differs)	DisplayPort	not stated	not stated
Audio codec	not stated	not stated	not stated
Colour	not stated	not stated	not stated
Amazon sales rank (differs)	not stated	#50,825	#1,641
Buy	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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