Compare 4 motherboards

Side-by-side comparison of 4 motherboards
Specification	B850M Challenger AM5 mATX HDMI/DP	MSI PRO B850M-P WiFi Motherboard	GIGABYTE B850M Eagle WIFI6E AMD AM5 Motherboard	ASUS PRIME B850M-A-CSM
Price (new) (differs)	£142.23as of 20 Sep, 06:22	£143.94as of 20 Sep, 06:22	£140.35as of 20 Sep, 06:22	£144.98as of 20 Sep, 06:22
RRP (differs)	not stated	not stated	not stated	£377.99
Price badge (differs)	not stated	90-day low	90-day low	not stated
First available on Amazon (differs)	Feb 2026 (6 mo old)	May 2025 (1 yr 4 mo old)	Jun 2025 (1 yr 3 mo old)	Apr 2025 (1 yr 5 mo old)
Brand (differs)	ASRock	MSI	Gigabyte	ASUS
RAM slots (differs)	4	4	4	not stated
Fastest RAM speed stated (differs)	8,000 MT/s	8,200 MT/s	not stated	not stated
M.2 slots (differs)	not stated	3	2	3
PCIe 5.0 graphics slot (differs)	Yes	Yes	not stated	not stated
PCIe 5.0 M.2 slot (differs)	Yes	Yes	not stated	not stated
WiFi (differs)	None named in the listing title	WiFi 7	WiFi 6E	None named in the listing title
Bluetooth (differs)	not stated	5.4	not stated	not stated
Wired LAN (differs)	2.5GbE	5GbE	2.5GbE	2.5GbE
Fastest USB-C port (differs)	5 Gbps	10 Gbps	not stated	5 Gbps
SATA ports (differs)	4	not stated	not stated	not stated
Power phases (as stated by the maker) (differs)	8+1+1	not stated	8+2+2	not stated
BIOS flashback (differs)	not stated	not stated	not stated	Yes
ARGB headers (differs)	not stated	not stated	not stated	Yes
Video outputs (differs)	HDMI, DisplayPort	not stated	not stated	HDMI, DisplayPort
Audio codec (differs)	ALC897	not stated	not stated	not stated
Amazon sales rank (differs)	#36,335	#153,588	#55,990	#13,264
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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