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Specification	MSI B550-A PRO ProSeries Motherboard	MSI B550-A PRO Motherboard ATX
Price (new) (differs)	not stated	£103.98as of 5 Nov, 18:21
Amazon Warehouse offer (differs)	not stated	£85.94 (Used - Good)as of 5 Nov, 18:21
RRP (differs)	not stated	£104.99
First available on Amazon (differs)	Oct 2025 (1 yr old)	Jun 2020 (6 yr 4 mo old)
ARGB headers (differs)	not stated	Yes
Video outputs (differs)	HDMI, DisplayPort	HDMI
Amazon sales rank (differs)	#11,742	#1,268
Buy	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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