updated 08:30 am EDT, Mon May 24, 2010
Seagate Momentus XT promises best of both worlds
Seagate today validated its teasers by revealing the Momentus XT. The drive is conceived as the best of both worlds for notebooks and includes both a traditional 2.5-inch, 7,200RPM hard drive with a 4GB, SLC-based solid-state drive and 32MB of DDR3 memory as a cache. Special firmware on the drive uses the SSD to optimize performance; it should boot almost as fast as a pure SSD and load about 80 percent faster than a regular 7,200RPM drive.
The SATA II drive works is OS-independent and is aimed at performance users, including high-end notebooks, compact desktops and external enclosures that can use the extra bandwidth, such as eSATA or USB 3.0. Seagate is offering 250GB, 320GB and 500GB versions of the Momentus XT and is starting prices much lower than traditional SSDs, at about $113.