An essential piece of any system, the hard disk drive (HDD) stores and retrieves your data using one or more rotating disks coated in magnetic material. Rotation speed and storage size are essential factors to consider, and the HP 844894??001 Hard Disk Drive does not skimp on either. The HP 844894??001 Hard Disk Drive comes ready to meet your storage needs, sporting an SAS interface in a SmartDrive Carrier 3.5″ (LFF) form factor, and up to 4?TB of storage space. Its rotation speed of 7,200?rpm and 6?Gb/s maximum transfer rate guarantee efficient data retrieval, speeding up and smoothing out system operation. This HP 844894??001 Hard Disk Drive has been removed from a working unit, tested for complete functionality by our expert in-house HP-Certified Technician, and is ready to ship today! Purchase with confidence, as the photos above represent the exact quality of your items, and come bundled with our 90 Day Warranty. *Please note, we have additional Refurbished HP Storage Drives in stock; feel free to send a message and we will update the quantity to suit your specific needs.* Thank you for choosing AltaTech for all of your lightning-fast IT needs!