The ThinkPad 80 GB 5400 rpm Serial ATA (SATA) Hard Drive option incorporates the latest technology for enhanced mobile productivity.¤¤PRODUCT FEATURES:¤¤Pixie dust technology for excellent storage capacity;¤¤Drive Noise Suppression System (DNSS) for reduced noise levels, improved shock tolerance, and improved reliability;¤¤SATA Interface conforming to Serial ATA/High Speed Serialized AT Attachment;¤¤Advanced power management technology.