How can you tell and E3 from an E6?

[perdomot]

I want to make sure I get an E3 as I hear it is better for OCing. Thanks.

 

[Fallengod]

I believe when it has BW at the end, its E6. Like the 3200 for example is: ADA3200BWBOX

I believe the E3 is ADA3200BPBOX and has BP at the end.