What RAM is this?

[Ryanzbane]

Corsair XMS CMX512-3200C2PT XM53202v5.2 0545188-0

 

[Beginner]

CMX512-3200C2PT XMS3202v5.2 0544083-0 = Promos -5 Rev A

i have no clue if these overclock well at all as i've never used any, but according to other users they are that good for overclocking.