The Seagate® Momentus® XT drive is a solid state hybrid with Adaptive Memory™ technology, enabling the drive to deliver SSD-like performance along with higher capacity. The Momentus XT drive is designed for all standard laptop PCs and is OS-, driver- and software-independent, making this drive easy to integrate and easy to use. Adaptive Memory technology enables the drive to tailor performance to the user. Whether you are gaming, editing digital media or crunching numbers, performance is optimized and ready for your next move.
* 500GB, 320GB and 250GB hard drive capacity options
* 4GB SLC NAND solid state memory
* 7200-RPM spindle speed
* 32MB of drive-level cache
* SATA 3Gb/s with Native Command Queuing
with reports of a significant increase in disk access speed, looks dope as hell and pretty goddamn affordable.