Earlier this year, Seagate promised to flip the 2.5-inch HDD industry upside-down, but it wouldn't do so by using an SSD in sheep's clothing. Rather, it'd be doling out a new breed of hard drive, one that actually has a pinch of pure, unadulterated NAND inside for picking up the pace in certain scenarios. The idea of a hybrid hard drive isn't totally new, but the Momentus XT is one of the first hybrid HDDs to actually make it out of the lab and into the hands of consumers. The most intriguing aspect of the drive is the price -- at around $130
