Here's a little-known fact: as NAND flash manufacturing shrinks to ever-smaller lithography nodes, getting the same write endurance out of SSDs becomes increasingly difficult. It's a true testament to Intel's engineering prowess, then, that the company's third-generation mainstream SSDs are the fastest and most reliable yet. Yes, they center on memory etched at 25 nm (compared to last generation's 34 nm flash). However, Intel is confident in their dependability. So confident, in fact, that it recently increased the SSD 320 family's warranty from three years up to five.