Add a Whopping 640 GB of storage capacity to your computer and you'll have plenty of space for your entire media library and more!This Hitachi Deskstar E7K1000 HDE721064SLA330 SATA/300 hard drive features 640 GB of storage capacity and is perfect for Raid arrays, Nearline storage, video surveillance, music and video libraries, and much more! The Deskstar E7K1000 features a 32 MB buffer for faster data processing and a quick 7200 RPM spindle speed that ensures quick and reliable operation. Plus, with Advanced Power Management, the HDE721064SLA330 can reduce power during idle periods! Upgrade your computer with more storage capacity. Order this Hitachi Deskstar E7K1000 today!