Compare 4 motherboards

Side-by-side comparison of 4 motherboards
Specification	ASUS Prime B850M-K Gaming Motherboard Socket AMD AM5	GIGABYTE B850M D3HP Motherboard	GIGABYTE B850M FORCE Motherboard	ASUS PRIME B850M-A Wi-Fi
Price (new) (differs)	£118.99as of 20 Sep, 02:42	£119.99as of 20 Sep, 02:42	£119.99as of 20 Sep, 02:43	£121.99as of 20 Sep, 02:42
Amazon Warehouse offer	not stated	not stated	not stated	not stated
RRP (differs)	£199.99	£139.99	£119.99	£165.99
Price badge	not stated	not stated	not stated	not stated
First available on Amazon (differs)	Apr 2025 (1 yr 5 mo old)	Jan 2025 (1 yr 8 mo old)	Jul 2025 (1 yr 2 mo old)	Apr 2025 (1 yr 5 mo old)
Brand (differs)	ASUS	Gigabyte	Gigabyte	ASUS
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)	not stated	4	2	not stated
Maximum RAM	not stated	not stated	not stated	not stated
Fastest RAM speed stated (differs)	not stated	8,200 MT/s	9,600 MT/s	not stated
M.2 slots (differs)	2	1	3	3
Newest PCIe generation stated	PCIe 5.0	PCIe 5.0	PCIe 5.0	PCIe 5.0
PCIe 5.0 graphics slot (differs)	Yes	Yes	not stated	not stated
PCIe 5.0 M.2 slot (differs)	Yes	Yes	Yes	not stated
WiFi (differs)	None named in the listing title	None named in the listing title	None named in the listing title	WiFi 6
Bluetooth	not stated	not stated	not stated	not stated
Wired LAN (differs)	2.5GbE	1GbE	2.5GbE	2.5GbE
USB4 / Thunderbolt	not stated	not stated	not stated	not stated
Fastest USB-C port (differs)	5 Gbps	not stated	not stated	5 Gbps
SATA ports	not stated	not stated	not stated	not stated
Power phases (as stated by the maker) (differs)	8+2+1	5+2+2	8+2+2	not stated
BIOS flashback (differs)	Yes	not stated	not stated	Yes
Debug LED / POST code	not stated	not stated	not stated	not stated
ARGB headers (differs)	Yes	not stated	not stated	Yes
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)	#14,478	#65,675	#71,138	#14,478
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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