Compare 4 motherboards

Side-by-side comparison of 4 motherboards
Specification	Asus PRIME B650M-R	Gigabyte B650M S2H Motherboard	Asrock B650M-HDV/M.2	Asus PRIME B650M-K
Price (new) (differs)	£90.43as of 6 Nov, 12:21	£85.99as of 6 Nov, 12:21	£95.31as of 6 Nov, 12:20	£104.18as of 6 Nov, 12:21
RRP (differs)	£102.99	not stated	£228.99	£147.65
Price badge (differs)	not stated	not stated	not stated	30-day low
First available on Amazon (differs)	Jan 2024 (2 yr 9 mo old)	Aug 2023 (3 yr 2 mo old)	Jan 2023 (3 yr 10 mo old)	May 2023 (3 yr 5 mo old)
Brand (differs)	ASUS	Gigabyte	ASRock	ASUS
Fastest RAM speed stated (differs)	not stated	6,400 MT/s	6,400 MT/s	not stated
M.2 slots (differs)	2	1	2	2
Newest PCIe generation stated (differs)	PCIe 4.0	PCIe 4.0	PCIe 5.0	PCIe 5.0
PCIe 5.0 M.2 slot (differs)	not stated	not stated	Yes	Yes
Wired LAN (differs)	2.5GbE	1GbE	2.5GbE	2.5GbE
Fastest USB-C port (differs)	5 Gbps	not stated	10 Gbps	5 Gbps
SATA ports (differs)	not stated	not stated	4	not stated
Power phases (as stated by the maker) (differs)	not stated	5+2+2	8+2+1	not stated
BIOS flashback (differs)	not stated	Yes	not stated	not stated
ARGB headers (differs)	Yes	not stated	not stated	not stated
Video outputs (differs)	HDMI	HDMI, DisplayPort	HDMI, DisplayPort	HDMI
Audio codec (differs)	not stated	not stated	ALC897	not stated
Amazon sales rank (differs)	#37,150	#41,311	#25,246	#120,282
Buy	Check price on Amazon	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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