Gigabyte's GA-P55M-UD4 and MSI's P55M-GD45 motherboards compared
 

The first wave of P55-based Lynnfield motherboards has included not just the usual ATX fare, but also number of interesting MicroATX models. We've rounded up a pair of micro boards from Gigabyte and MSI to see how they stack up against full-size competition.

http://techreport.com/articles.x/17789