Compare 3 motherboards

Side-by-side comparison of 3 motherboards
Specification	ASRock B450M-HDV R4.0 Socket AM4/ AMD Promontory B450/ DDR4…	Luobannm For MACHINIST B450 Motherboard Supports Ryzen 5500 5600…	Yanmis Computer Motherboard
Price (new) (differs)	£80.14as of 5 Nov, 18:20	£70.05as of 5 Nov, 18:23	£63.88as of 5 Nov, 18:23
Amazon Warehouse offer	not stated	not stated	not stated
RRP (differs)	£60.01	not stated	£126.70
Price badge	not stated	not stated	not stated
First available on Amazon (differs)	Feb 2019 (7 yr 8 mo old)	Mar 2025 (1 yr 7 mo old)	Mar 2025 (1 yr 7 mo old)
Brand (differs)	ASRock	Machinist	Yanmis
Socket	AM4	AM4	AM4
Chipset	B450	B450	B450
Form factor (differs)	Micro-ATX	not stated	Micro-ATX
Memory type	DDR4	DDR4	DDR4
RAM slots (differs)	not stated	not stated	2
Maximum RAM (differs)	not stated	not stated	64 GB
Fastest RAM speed stated (differs)	not stated	not stated	3,600 MT/s
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)	not stated	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)	not stated	not stated	4+2
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)	not stated	not stated	DisplayPort
Audio codec	not stated	not stated	not stated
Colour	not stated	not stated	not stated
Amazon sales rank (differs)	#50,825	#287,014	not stated
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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