Compare 4 motherboards

Side-by-side comparison of 4 motherboards
Specification	GIGABYTE B850M Gaming X WIFI6E AMD AM5 LGA 1718 Motherboard	MB ASRock AMD AM5 B850M Riptide WiFi	ASUS PRIME B850M-A-CSM	GIGABYTE B850M EAGLE WIFI6E Motherboard
Price (new) (differs)	£149.10as of 20 Sep, 06:21	£150.94as of 20 Sep, 06:22	£144.98as of 20 Sep, 06:22	£150.13as of 20 Sep, 06:22
Amazon Warehouse offer (differs)	not stated	not stated	not stated	£132.41 (Used - Like New)as of 20 Sep, 06:22
RRP (differs)	not stated	£366.99	£377.99	£149.99
Price badge (differs)	90-day low	not stated	not stated	not stated
First available on Amazon (differs)	Jan 2025 (1 yr 8 mo old)	Jan 2025 (1 yr 8 mo old)	Apr 2025 (1 yr 5 mo old)	Oct 2025 (11 mo old)
Brand (differs)	Gigabyte	ASRock	ASUS	Gigabyte
Socket	AM5	AM5	AM5	AM5
Chipset	B850	B850	B850	B850
Form factor	Micro-ATX	Micro-ATX	Micro-ATX	Micro-ATX
Memory type	DDR5	DDR5	DDR5	DDR5
RAM slots (differs)	4	not stated	not stated	4
Maximum RAM	not stated	not stated	not stated	not stated
Fastest RAM speed stated (differs)	not stated	not stated	not stated	8,200 MT/s
M.2 slots (differs)	2	not stated	3	2
Newest PCIe generation stated (differs)	PCIe 5.0	not stated	PCIe 5.0	PCIe 5.0
PCIe 5.0 graphics slot	not stated	not stated	not stated	not stated
PCIe 5.0 M.2 slot	not stated	not stated	not stated	not stated
WiFi (differs)	WiFi 6E	Yes (generation not stated)	None named in the listing title	WiFi 6E
Bluetooth	not stated	not stated	not stated	not stated
Wired LAN (differs)	2.5GbE	not stated	2.5GbE	2.5GbE
USB4 / Thunderbolt	not stated	not stated	not stated	not stated
Fastest USB-C port (differs)	not stated	not stated	5 Gbps	not stated
SATA ports	not stated	not stated	not stated	not stated
Power phases (as stated by the maker) (differs)	10+2+2	not stated	not stated	8+2+2
BIOS flashback (differs)	not stated	not stated	Yes	not stated
Debug LED / POST code	not stated	not stated	not stated	not stated
ARGB headers (differs)	not stated	not stated	Yes	not stated
Video outputs (differs)	not stated	not stated	HDMI, DisplayPort	HDMI, DisplayPort
Audio codec	not stated	not stated	not stated	not stated
Colour	not stated	not stated	not stated	not stated
Amazon sales rank (differs)	#69,561	#62,449	#13,264	#72,876
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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