HGST Ultrastar 7K4000 HUS724020ALA640 2 TB 3.5" Internal HDD — SATA (SATA/600), 64 MB Cache, Dual Stage Actuator

The HGST Ultrastar 7K4000 (HUS724020ALA640) is a 2 TB internal 3.5" hard drive built to deliver high-capacity storage with efficient operation. Its SATA (SATA/600) interface is tuned for improved burst performance to move data more quickly, and a 64 MB cache buffer speeds up processing for common read/write tasks. This drive incorporates Dual Stage Actuator (DSA) technology to boost tracking precision and overall drive efficiency. The 3.5" form factor makes installation straightforward in desktop or server bays, while the roomy 2 TB capacity provides ample space for documents, photos and videos without sacrificing performance.