Compare 3 motherboards

Side-by-side comparison of 3 motherboards
Specification	ASUS PRIME B650M-A II-CSM	Asrock B650M Pro RS WiFi AMD B650 Emplacement AM5 micro ATX	ASRock B650M Pro X3D WiFi 6E AMD AM5 Micro-ATX Motherboard
Price (new) (differs)	£169.63as of 20 Sep, 06:21	£177.19as of 20 Sep, 06:21	£170.71as of 20 Sep, 06:22
RRP (differs)	not stated	£168.39	not stated
Price badge (differs)	not stated	not stated	90-day low
First available on Amazon (differs)	Jun 2023 (3 yr 2 mo old)	Jan 2024 (2 yr 8 mo old)	Jun 2025 (1 yr 3 mo old)
Brand (differs)	ASUS	ASRock	ASRock
RAM slots (differs)	not stated	not stated	4
Fastest RAM speed stated (differs)	not stated	not stated	8,000 MT/s
M.2 slots (differs)	not stated	not stated	3
Newest PCIe generation stated (differs)	PCIe 5.0	not stated	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 (differs)	None named in the listing title	Yes (generation not stated)	WiFi 6E
Wired LAN (differs)	2.5GbE	not stated	2.5GbE
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)	not stated	not stated	Yes
Video outputs (differs)	not stated	not stated	HDMI, DisplayPort
Audio codec (differs)	not stated	not stated	ALC897
Amazon sales rank (differs)	#121,599	#38,984	#223,032
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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