Compare 3 motherboards

Side-by-side comparison of 3 motherboards
Specification	Asus PRIME B650M-R	Asus PRIME B650M-K	Gigabyte B650M S2H Motherboard
Price (new) (differs)	£90.43as of 5 Nov, 18:21	£104.18as of 5 Nov, 18:21	£85.99as of 5 Nov, 18:21
RRP (differs)	£102.99	£147.65	not stated
Price badge (differs)	not stated	30-day low	not stated
First available on Amazon (differs)	Jan 2024 (2 yr 9 mo old)	May 2023 (3 yr 5 mo old)	Aug 2023 (3 yr 2 mo old)
Brand (differs)	ASUS	ASUS	Gigabyte
Fastest RAM speed stated (differs)	not stated	not stated	6,400 MT/s
M.2 slots (differs)	2	2	1
Newest PCIe generation stated (differs)	PCIe 4.0	PCIe 5.0	PCIe 4.0
PCIe 5.0 M.2 slot (differs)	not stated	Yes	not stated
Wired LAN (differs)	2.5GbE	2.5GbE	1GbE
Fastest USB-C port (differs)	5 Gbps	5 Gbps	not stated
Power phases (as stated by the maker) (differs)	not stated	not stated	5+2+2
BIOS flashback (differs)	not stated	not stated	Yes
ARGB headers (differs)	Yes	not stated	not stated
Video outputs (differs)	HDMI	HDMI	HDMI, DisplayPort
Amazon sales rank (differs)	#28,301	#119,876	#41,311
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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