Western Digital has announced it is now shipping its new WD Scorpio 320GB 2.5-inch Serial ATA (SATA) hard drives for notebook computers and portable storage devices.

WD uses advanced head and media technology to achieve the world’s highest capacity 2.5-inch, slim, 9.5mm form-factor hard drive and includes proprietary features that they claim makes the drive extraordinarily quiet while running at cool operating temperatures.

Western Digital says the WD Scorpio 320GB hard drives, that boast WhisperDrive, ShockGuard and IntelliSeek technology, deliver high performance with 3Gbps transfer rate and are destined for use in OEM notebook platforms that offer the highest storage capacities to the worldwide market.