Compare 3 motherboards

Side-by-side comparison of 3 motherboards
Specification	ASRock Rack Server Motherboard B650D4U3-2L2Q/BCM Micro-ATX AMD EPYC…	ASROCK B650D4U Motherboard AMD B650 Express Socket AM5 micro ATX	ASUS Prime B650M-A-CSM Micro-ATX Commercial Motherboard
Price (new) (differs)	£708.45as of 5 Nov, 18:20	£385.18 (currently unavailable)as of 5 Nov, 18:20	£353.58as of 5 Nov, 18:23
Amazon Warehouse offer	not stated	not stated	not stated
RRP (differs)	not stated	£461.84	not stated
Price badge	not stated	not stated	not stated
First available on Amazon (differs)	Nov 2024 (1 yr 11 mo old)	Jan 2024 (2 yr 10 mo old)	Dec 2022 (3 yr 10 mo old)
Brand (differs)	ASRock Rack	ASRock	ASUS
Socket	AM5	AM5	AM5
Chipset	B650	B650	B650
Form factor	Micro-ATX	Micro-ATX	Micro-ATX
Memory type	DDR5	DDR5	DDR5
RAM slots (differs)	4	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 (differs)	PCIe 5.0	not stated	PCIe 5.0
PCIe 5.0 graphics slot (differs)	Yes	not stated	not stated
PCIe 5.0 M.2 slot (differs)	not stated	not stated	Yes
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 (differs)	not stated	not stated	2.5GbE
USB4 / Thunderbolt	not stated	not stated	not stated
Fastest USB-C port (differs)	not stated	not stated	5 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 (differs)	not stated	not stated	Yes
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)	#261,221	#164,116	#390,861
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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