Compare 2 motherboards

Side-by-side comparison of 2 motherboards

Specification	ASRock B450M-HDV R4.0 Socket AM4/ AMD Promontory B450/ DDR4…	MACHINIST B450 AM4-K Motherboard for AMD Ryzen 1-5th gen Processors
Price (new) (differs)	£80.14as of 18 Oct, 06:20	£79.16as of 18 Oct, 06:23
Amazon Warehouse offer	not stated	not stated
RRP (differs)	£60.01	not stated
Price badge (differs)	not stated	90-day low
First available on Amazon (differs)	Feb 2019 (7 yr 7 mo old)	Aug 2025 (1 yr 1 mo old)
Brand (differs)	ASRock	Machinist
Socket	AM4	AM4
Chipset	B450	B450
Form factor	Micro-ATX	Micro-ATX
Memory type	DDR4	DDR4
RAM slots (differs)	not stated	2
Maximum RAM (differs)	not stated	128 GB
Fastest RAM speed stated (differs)	not stated	3,600 MT/s
M.2 slots (differs)	not stated	2
Newest PCIe generation stated (differs)	not stated	PCIe 3.0
PCIe 5.0 graphics slot	not stated	not stated
PCIe 5.0 M.2 slot	not stated	not stated
WiFi	None named in the listing title	None named in the listing title
Bluetooth	not stated	not stated
Wired LAN (differs)	not stated	1GbE
USB4 / Thunderbolt	not stated	not stated
Fastest USB-C port	not stated	not stated
SATA ports (differs)	not stated	1
Power phases (as stated by the maker)	not stated	not stated
BIOS flashback	not stated	not stated
Debug LED / POST code	not stated	not stated
ARGB headers	not stated	not stated
Video outputs (differs)	not stated	HDMI, DisplayPort
Audio codec	not stated	not stated
Colour	not stated	not stated
Amazon sales rank (differs)	#50,825	#306,892
Buy	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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