Compare 3 motherboards

Side-by-side comparison of 3 motherboards
Specification	ASUS PRIME B650M-A II-CSM	ASRock B650M Pro X3D WiFi 6E AMD AM5 Micro-ATX Motherboard	Asrock B650M Pro RS WiFi AMD B650 Emplacement AM5 micro ATX
Price (new) (differs)	£169.63as of 20 Sep, 06:21	£170.71as of 20 Sep, 06:22	£177.19as of 20 Sep, 06:21
Amazon Warehouse offer	not stated	not stated	not stated
RRP (differs)	not stated	not stated	£168.39
Price badge (differs)	not stated	90-day low	not stated
First available on Amazon (differs)	Jun 2023 (3 yr 2 mo old)	Jun 2025 (1 yr 3 mo old)	Jan 2024 (2 yr 8 mo old)
Brand (differs)	ASUS	ASRock	ASRock
Socket	AM5	AM5	AM5
Chipset	B650	B650	B650
Form factor	Micro-ATX	Micro-ATX	Micro-ATX
Memory type	DDR5	DDR5	DDR5
RAM slots (differs)	not stated	4	not stated
Maximum RAM	not stated	not stated	not stated
Fastest RAM speed stated (differs)	not stated	8,000 MT/s	not stated
M.2 slots (differs)	not stated	3	not stated
Newest PCIe generation stated (differs)	PCIe 5.0	PCIe 5.0	not stated
PCIe 5.0 graphics slot (differs)	not stated	Yes	not stated
PCIe 5.0 M.2 slot (differs)	Yes	Yes	not stated
WiFi (differs)	None named in the listing title	WiFi 6E	Yes (generation not stated)
Bluetooth	not stated	not stated	not stated
Wired LAN (differs)	2.5GbE	2.5GbE	not stated
USB4 / Thunderbolt	not stated	not stated	not stated
Fastest USB-C port (differs)	5 Gbps	10 Gbps	not stated
SATA ports (differs)	not stated	4	not stated
Power phases (as stated by the maker) (differs)	not stated	8+2+1	not stated
BIOS flashback (differs)	not stated	Yes	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	HDMI, DisplayPort	not stated
Audio codec (differs)	not stated	ALC897	not stated
Colour	not stated	not stated	not stated
Amazon sales rank (differs)	#121,599	#223,032	#38,984
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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