Compare 3 motherboards

Side-by-side comparison of 3 motherboards
Specification	ASUS ROG Strix B850-I Gaming WiFi AMD Mini-ITX motherboard	GIGABYTE B850I AORUS PRO AMD AM5 Mini-ITX Motherboard	Gigabyte B850I AORUS PRO Motherboard
Price (new) (differs)	£246.98as of 20 Sep, 06:21	not stated	£192.99as of 20 Sep, 06:22
Amazon Warehouse offer	not stated	not stated	not stated
RRP (differs)	£375.76	not stated	£299.99
Price badge (differs)	Lowest we've recorded	not stated	Lowest we've recorded
First available on Amazon	Jan 2025 (1 yr 8 mo old)	Jan 2025 (1 yr 8 mo old)	Jan 2025 (1 yr 8 mo old)
Brand (differs)	ASUS	Gigabyte	Gigabyte
Socket	AM5	AM5	AM5
Chipset	B850	B850	B850
Form factor	Mini-ITX	Mini-ITX	Mini-ITX
Memory type	DDR5	DDR5	DDR5
RAM slots (differs)	not stated	2	2
Maximum RAM	not stated	not stated	not stated
Fastest RAM speed stated (differs)	not stated	not stated	8,400 MT/s
M.2 slots (differs)	2	2	1
Newest PCIe generation stated	PCIe 5.0	PCIe 5.0	PCIe 5.0
PCIe 5.0 graphics slot (differs)	Yes	not stated	Yes
PCIe 5.0 M.2 slot (differs)	Yes	not stated	Yes
WiFi	WiFi 7	WiFi 7	WiFi 7
Bluetooth	not stated	not stated	not stated
Wired LAN	2.5GbE	2.5GbE	2.5GbE
USB4 / Thunderbolt	not stated	not stated	not stated
Fastest USB-C port (differs)	20 Gbps	not stated	not stated
SATA ports	not stated	not stated	not stated
Power phases (as stated by the maker) (differs)	10+2+1	8+2+1	8+2+1
BIOS flashback (differs)	Yes	not stated	Yes
Debug LED / POST code (differs)	Yes	not stated	not stated
ARGB headers (differs)	Yes	not stated	not stated
Video outputs (differs)	HDMI	not stated	not stated
Audio codec (differs)	ALC4080	not stated	not stated
Colour	not stated	not stated	not stated
Amazon sales rank (differs)	#2,647	#27,541	#1,651
Buy	Check price on Amazon	See it 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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