The decrease in NAND prices has opened doors for bigger SSD capacities. 512GB SSDs have been available for a couple of years now but even though prices have come down significantly, we haven't seen a move to capacities bigger than 512GB yet. There are some architectural limitations that cause this but there are a few exceptions that offer more than 512GB. OWC offers a 960GB Mercury Electra 3G MAX, which is among the first 2.5″ SATA SSDs with 1TB of NAND. Read on to find out how it is built and how it performs.