HUS724040ALE640 Hitachi UltraStar 4TB 7.2K RPM 64MB Buffer 3.5 Inches Form Factor SATA 6Gbps Hard Disk Drive. New Retail Factory Sealed With Full Manufacturer Warranty.

HUS724040ALE640 Hitachi UltraStar 4TB 7.2K RPM 64MB Buffer 3.5 Inches Form Factor SATA 6Gbps Hard Disk Drive.

General information:
Manufacturer : hitachi
Manufacturer model: hus724040ale640
Product line : ultrastar
Product series : 7k4000
Product name : ultrastar 7k4000 hus724040ale640 hard drive

Key features :
Storage capacity : 4 tb
Interface : sata-6gbps
Drive dimensions : 3.5 inch
Areal density (maximum) : 446 gbits/sq. In.
Load/unload cycles (at 40° c) : 600000
Mtbf : 2 million hours

Performance :
Average seek time : 8.0 ms
Rotational speed : 7200 rpm
Buffer : 64 mb
Interface transfer rate (maximum) : 600 mbps
Sustained transfer rate (typical) : 171 mbps