Compare 3 motherboards

Side-by-side comparison of 3 motherboards
Specification	Asus PRIME B650M-K	GIGABYTE B650M GAMING WIFI6E Motherboard	Sapphire MB B650M-E Motherboard
Price (new) (differs)	£110.55as of 20 Sep, 06:21	£129.99as of 20 Sep, 06:22	£107.51as of 20 Sep, 06:22
Amazon Warehouse offer	not stated	not stated	not stated
RRP (differs)	£147.65	£240.99	not stated
Price badge	not stated	not stated	not stated
First available on Amazon (differs)	May 2023 (3 yr 3 mo old)	Jan 2025 (1 yr 7 mo old)	Aug 2026 (1 mo old)
Brand (differs)	ASUS	Gigabyte	Sapphire
Socket	AM5	AM5	AM5
Chipset	B650	B650	B650
Form factor	Micro-ATX	Micro-ATX	Micro-ATX
Memory type	DDR5	DDR5	DDR5
RAM slots	2	2	2
Maximum RAM (differs)	not stated	not stated	96 GB
Fastest RAM speed stated (differs)	not stated	6,400 MT/s	5,600 MT/s
M.2 slots (differs)	2	1	not stated
Newest PCIe generation stated (differs)	PCIe 5.0	PCIe 4.0	not stated
PCIe 5.0 graphics slot	not stated	not stated	not stated
PCIe 5.0 M.2 slot (differs)	Yes	not stated	not stated
WiFi (differs)	None named in the listing title	WiFi 6E	None named in the listing title
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	not stated	not stated
SATA ports	not stated	not stated	not stated
Power phases (as stated by the maker) (differs)	not stated	5+2+2	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)	HDMI	HDMI	not stated
Audio codec	not stated	not stated	not stated
Colour	not stated	not stated	not stated
Amazon sales rank (differs)	#114,688	#45,100	#101,185
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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