Compare 3 motherboards

Side-by-side comparison of 3 motherboards
Specification	ASUS PRIME B650M-A II-CSM Micro-ATX commercial motherboard	MSI PRO B650M-P ProSeries Motherboard	ASRock B650M-HDV M.2 White Micro-ATX AM5 Motherboard
Price (new) (differs)	£138.00as of 20 Sep, 06:21	£139.80as of 20 Sep, 06:21	£138.73as of 20 Sep, 06:22
Amazon Warehouse offer	not stated	not stated	not stated
RRP	not stated	not stated	not stated
Price badge	not stated	not stated	not stated
First available on Amazon (differs)	Jan 2023 (3 yr 7 mo old)	Jun 2023 (3 yr 3 mo old)	Aug 2025 (1 yr old)
Brand (differs)	ASUS	MSI	ASRock
Socket	AM5	AM5	AM5
Chipset	B650	B650	B650
Form factor	Micro-ATX	Micro-ATX	Micro-ATX
Memory type	DDR5	DDR5	DDR5
RAM slots	not stated	not stated	not stated
Maximum RAM	not stated	not stated	not stated
Fastest RAM speed stated (differs)	6,400 MT/s	6,000 MT/s	8,200 MT/s
M.2 slots (differs)	not stated	not stated	2
Newest PCIe generation stated (differs)	PCIe 5.0	PCIe 4.0	PCIe 5.0
PCIe 5.0 graphics slot (differs)	not stated	not stated	Yes
PCIe 5.0 M.2 slot (differs)	Yes	not stated	Yes
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	2.5GbE	2.5GbE	2.5GbE
USB4 / Thunderbolt	not stated	not stated	not stated
Fastest USB-C port (differs)	5 Gbps	not stated	10 Gbps
SATA ports (differs)	not stated	not stated	4
Power phases (as stated by the maker) (differs)	not stated	not stated	8+2+1
BIOS flashback (differs)	Yes	not stated	Yes
Debug LED / POST code	not stated	not stated	not stated
ARGB headers (differs)	Yes	not stated	not stated
Video outputs	HDMI, DisplayPort	HDMI, DisplayPort	HDMI, DisplayPort
Audio codec	not stated	not stated	not stated
Colour (differs)	not stated	not stated	White
Amazon sales rank (differs)	#87,196	#100,995	#21,935
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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