Compare 3 motherboards

Side-by-side comparison of 3 motherboards
Specification	MB ASRock AMD AM5 B850M Steel Legend WiFi	MB ASRock AMD AM5 B850M Pro-A WiFi	MSI PRO B850M-P WIFI Motherboard
Price (new) (differs)	£149.47as of 5 Nov, 18:22	£149.99as of 5 Nov, 18:20	£149.99as of 5 Nov, 18:22
Amazon Warehouse offer (differs)	£129.03 (Used - Very Good)as of 5 Nov, 18:22	not stated	£98.00 (Used - Very Good)as of 5 Nov, 18:22
RRP (differs)	£348.99	£281.99	£139.99
Price badge	not stated	not stated	not stated
First available on Amazon (differs)	Jan 2025 (1 yr 9 mo old)	Jan 2025 (1 yr 9 mo old)	Jun 2025 (1 yr 4 mo old)
Brand (differs)	ASRock	ASRock	MSI
Socket	AM5	AM5	AM5
Chipset	B850	B850	B850
Form factor	Micro-ATX	Micro-ATX	Micro-ATX
Memory type	DDR5	DDR5	DDR5
RAM slots (differs)	not stated	not stated	4
Maximum RAM	not stated	not stated	not stated
Fastest RAM speed stated (differs)	not stated	not stated	8,200 MT/s
M.2 slots (differs)	not stated	not stated	3
Newest PCIe generation stated (differs)	not stated	not stated	PCIe 5.0
PCIe 5.0 graphics slot (differs)	not stated	not stated	Yes
PCIe 5.0 M.2 slot (differs)	not stated	not stated	Yes
WiFi (differs)	Yes (generation not stated)	Yes (generation not stated)	WiFi 7
Bluetooth (differs)	not stated	not stated	5.4
Wired LAN (differs)	not stated	not stated	5GbE
USB4 / Thunderbolt	not stated	not stated	not stated
Fastest USB-C port (differs)	not stated	not stated	10 Gbps
SATA ports	not stated	not stated	not stated
Power phases (as stated by the maker)	not stated	not stated	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	not stated	not stated	not stated
Audio codec	not stated	not stated	not stated
Colour	not stated	not stated	not stated
Amazon sales rank (differs)	#19,027	#61,480	#1,466
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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