Tagged Command Queuing make this drive ideal for non-PC, high-performance and special applications. AFC and glass disk technologies enable increased density. Thus, the Deskstar provides the necessary capacities using fewer heads and disks, which means fewer components and better reliability. The superior density combines with the faster processor and streamlined cache buffer to enable award-winning performance for both the Deskstar and your system. Enhancements to the servo system and thermal monitor help to enable accurate data storage and retrieval. These combined technologies enable popular capacity points and are also designed to increase reliability. Deskstar drives continue to utilize proven Hitachi technology such as TrueTrack servo and No-ID sector formatting. Main Specifications:   Type : Hard drive standard Form Factor : 3.5'' x 1/3H internal Dimensions (WxDxH) : 10.2 cm x 14.6 cm x 2.5 cm Weight : 0.6 kg Formatted Capacity : 120 GB Interface Type : DMA/ATA-100 (Ultra) Data Transfer Rate : 100 MBps Average Seek Time : 8.5 ms Spindle Speed : 7200 rpm Sectors per Track : 63 Bytes per Sector : 512 Recoverable Errors ( Non-Recoverable Errors ) : ( 1 per 10^13 ) Cache / Buffer Size : 2 MB Extended Specifications: General Device Type : Hard drive standard Width : 10.2 cm Depth : 14.6 cm Height : 2.5 cm Weight : 0.6 kg Compatibility : PC Hard Drive Form Factor : 3.5'' x 1/3H Enclosure Type : Internal Formatted Capacity : 120 GB Interface Type : DMA/ATA-100 (Ultra) Cache / Buffer Size : 2 MB Compliant Standards : S.M.A.R.T. Performance Data Transfer Rate : 100 MBps (external) / 74 MBps (internal) Seek Time : 8.5 ms (average) / 14.7 ms (max) Track-to-Track Seek Time : 1.2 ms Average Latency : 4.17 ms Spindle Speed : 7200 rpm Configuration Heads / Physical : 6 Sectors per Track / Physical : 63 Bytes per Sector : 512 Reliability Non-Recoverable Errors : 1 per 10^13 Start / Stop Cycles : 40,000 Expansion / Port(s) Required Bay(s) Required : 1 x internal - 3.5'' x 1/3H Port(s) / Connector(s) Required : 1 x storage DMA/ATA-100 (Ultra) / 40 pin IDC female - 1 Environmental Parameters Min Operating Temperature : 5 ?C Max Operating Temperature : 55 ?C Humidity Range Operating : 8 - 90% Shock Tolerance : 55 g @ 2ms half-sine pulse (operating) / 350 g @ 2ms half-sine pulse (non-operating) Vibration Tolerance : 0.67 g @ RMS (random) (operating) / 1.04 g @ RMS (random) (non-operating) Sound Emission : 31 dB"""  (less)