Here is a distilled version of the specs, capacities, and prices of the 960 PRO and EVO:

960 PRO

    512GB, 1TB, 2TB capacities
    Sequential: 3.5 GB/s reads / 2.1 GB/s writes
    4K random (IOPS): 440,000 read / 360,000 write
    Dynamic Thermal Guard (new version of their overtemperature protection - details below)
    5 year warranty, endurace peaks at 1.2PBW for the 2TB model
    512GB model = $329.99 ($0.64/GB)

960 EVO

    250GB, 500GB, 1TB capacities
    Sequential: 3.2 GB/s reads / 1.9 GB/s writes (write speed is for TurboWrite SLC cache)
    4K random (IOPS): 380,000 read / 360,000 write
    Dynamic Thermal Guard
    3 year warranty, endurance up to 400TBW for the 1TB model
    250GB = $129.99 ($0.52/GB)