Compare 3 motherboards

Side-by-side comparison of 3 motherboards
Specification	ASUS PRO B660M-C D4-CSM	1700 ASUS MB ASUS PRIME B660M-A WIFI DDR4	ASUS Prime B660M-K D4 Intel B660 LGA 1700 mATX motherboard with PCIe…
Price (new) (differs)	not stated	£180.16as of 20 Sep, 06:20	£119.62as of 20 Sep, 06:20
Amazon Warehouse offer	not stated	not stated	not stated
RRP (differs)	£182.99	£235.99	£178.38
Price badge (differs)	not stated	90-day low	not stated
First available on Amazon (differs)	Jan 2024 (2 yr 8 mo old)	Jan 2022 (4 yr 8 mo old)	Jan 2022 (4 yr 8 mo old)
Brand	ASUS	ASUS	ASUS
Socket	LGA1700	LGA1700	LGA1700
Chipset	B660	B660	B660
Form factor	Micro-ATX	Micro-ATX	Micro-ATX
Memory type	DDR4	DDR4	DDR4
RAM slots	not stated	not stated	not stated
Maximum RAM	not stated	not stated	not stated
Fastest RAM speed stated	not stated	not stated	not stated
M.2 slots (differs)	not stated	not stated	2
Newest PCIe generation stated (differs)	not stated	PCIe 4.0	PCIe 4.0
PCIe 5.0 graphics slot	not stated	not stated	not stated
PCIe 5.0 M.2 slot	not stated	not stated	not stated
WiFi (differs)	None named in the listing title	WiFi 6	None named in the listing title
Bluetooth	not stated	not stated	not stated
Wired LAN (differs)	not stated	1GbE	1GbE
USB4 / Thunderbolt	not stated	not stated	not stated
Fastest USB-C port (differs)	not stated	5 Gbps	not stated
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 (differs)	not stated	not stated	HDMI
Audio codec	not stated	not stated	not stated
Colour	not stated	not stated	not stated
Amazon sales rank (differs)	#58,637	#24,338	#23,058
Buy	See it 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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