Compare 3 motherboards

Side-by-side comparison of 3 motherboards
Specification	B850M Challenger AM5 mATX HDMI/DP	ASRock B850M Rock WiFi Socket AM5 Micro-ATX Motherboard	GIGABYTE B850M Eagle WIFI6E ICE AMD AM5 mATX Motherboard
Price (new) (differs)	£145.62as of 5 Nov, 18:22	£144.04as of 5 Nov, 18:22	£148.30as of 5 Nov, 18:20
Amazon Warehouse offer	not stated	not stated	not stated
RRP (differs)	not stated	£270.99	not stated
Price badge	not stated	not stated	not stated
First available on Amazon (differs)	Feb 2026 (8 mo old)	Jan 2026 (9 mo old)	Jun 2025 (1 yr 4 mo old)
Brand (differs)	ASRock	ASRock	Gigabyte
Socket	AM5	AM5	AM5
Chipset	B850	B850	B850
Form factor	Micro-ATX	Micro-ATX	Micro-ATX
Memory type	DDR5	DDR5	DDR5
RAM slots (differs)	4	2	4
Maximum RAM	not stated	not stated	not stated
Fastest RAM speed stated (differs)	8,000 MT/s	8,200 MT/s	not stated
M.2 slots (differs)	not stated	1	2
Newest PCIe generation stated	PCIe 5.0	PCIe 5.0	PCIe 5.0
PCIe 5.0 graphics slot (differs)	Yes	Yes	not stated
PCIe 5.0 M.2 slot (differs)	Yes	Yes	not stated
WiFi (differs)	None named in the listing title	WiFi 6E	WiFi 6E
Bluetooth (differs)	not stated	5.3	not stated
Wired LAN	2.5GbE	2.5GbE	2.5GbE
USB4 / Thunderbolt	not stated	not stated	not stated
Fastest USB-C port (differs)	5 Gbps	5 Gbps	not stated
SATA ports (differs)	4	4	not stated
Power phases (as stated by the maker) (differs)	8+1+1	6+1+1	8+2+2
BIOS flashback	not stated	not stated	not stated
Debug LED / POST code	not stated	not stated	not stated
ARGB headers	not stated	not stated	not stated
Video outputs (differs)	HDMI, DisplayPort	HDMI, DisplayPort	not stated
Audio codec (differs)	ALC897	not stated	not stated
Colour (differs)	not stated	not stated	White
Amazon sales rank (differs)	#50,419	#50,419	#105,007
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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