Compare 3 motherboards

Side-by-side comparison of 3 motherboards
Specification	B850M Challenger WiFi AM5 mATX HDMI/DP	ASRock B850M Rock WiFi Socket AM5 Micro-ATX Motherboard	ASUS EX-B850M-V7 AMD Micro-ATX Motherboard
Price (new) (differs)	£136.79as of 20 Sep, 06:22	£132.85as of 20 Sep, 06:22	£131.88as of 20 Sep, 06:22
Amazon Warehouse offer	not stated	not stated	not stated
RRP (differs)	£311.99	£270.99	£200.99
Price badge (differs)	not stated	not stated	30-day low
First available on Amazon (differs)	Feb 2026 (6 mo old)	Jan 2026 (8 mo old)	Mar 2026 (6 mo old)
Brand (differs)	ASRock	ASRock	ASUS
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	not stated
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	Yes	Yes	Yes
PCIe 5.0 M.2 slot	Yes	Yes	Yes
WiFi (differs)	WiFi 7	WiFi 6E	None named in the listing title
Bluetooth (differs)	5.4	5.3	not stated
Wired LAN (differs)	2.5GbE	2.5GbE	5GbE
USB4 / Thunderbolt	not stated	not stated	not stated
Fastest USB-C port (differs)	not stated	5 Gbps	10 Gbps
SATA ports (differs)	not stated	4	not stated
Power phases (as stated by the maker) (differs)	8+1+1	6+1+1	not stated
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	HDMI
Audio codec (differs)	ALC897	not stated	not stated
Colour (differs)	not stated	not stated	Black
Amazon sales rank (differs)	#36,335	#36,335	#1,431
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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