Compare 3 motherboards

Side-by-side comparison of 3 motherboards
Specification	ASUS PRO A520M-C II/CSM Business Motherboard Socket AMD AM4	MB ASUS AMD AM4 PRIME A520M-A II/CSM	ASUS Prime A520M-K AMD A520 Micro ATX
Price (new) (differs)	£57.83as of 20 Sep, 06:21	£61.00as of 20 Sep, 06:21	£61.49as of 20 Sep, 06:20
Amazon Warehouse offer (differs)	not stated	not stated	£44.89 (Used - Like New)as of 20 Sep, 06:20
RRP (differs)	not stated	£117.92	not stated
Price badge	not stated	not stated	not stated
First available on Amazon (differs)	Jan 2023 (3 yr 7 mo old)	Jan 2023 (3 yr 8 mo old)	Jul 2020 (6 yr 1 mo old)
Brand	ASUS	ASUS	ASUS
Socket	AM4	AM4	AM4
Chipset	A520	A520	A520
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	not stated	not stated	not stated
Newest PCIe generation stated	not stated	not stated	not stated
PCIe 5.0 graphics slot	not stated	not stated	not stated
PCIe 5.0 M.2 slot	not stated	not stated	not stated
WiFi	None named in the listing title	None named in the listing title	None named in the listing title
Bluetooth	not stated	not stated	not stated
Wired LAN	not stated	not stated	not stated
USB4 / Thunderbolt	not stated	not stated	not stated
Fastest USB-C port	not stated	not stated	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 (differs)	not stated	Yes	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)	#130,952	#37,711	#159,471
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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