<b>Server Class HDD px-400r/450r (Hitachi HUS724040ALE640)</b><br><br><b>Delivering Industry-Leading Quality and Reliability</b><br>HGST Ultrastar™ 7K4000 is the world’s first 4TB 7200 RPM hard drive with a 2.0 million hours MTBF specification and backed by a full 5-year warranty. Ultrastar 7K4000 represents the sixth-generation HGST 5-platter design,which has been field proven by top server and storage OEMs and Internet giants. Engineered for the highest quality,the Ultrastar 7K4000 is put through grueling design tests during development and must pass stringent ongoing reliability testing during manufacturing.
Ultrastar 7K4000 delivers by reducing downtime, eliminating service calls and minimizing TCO.<br><br><b>Increasing Capacity Density by One Third</b><br>To deal with the explosive petabyte (PB) growth, data centers require large amounts of efficient storage. Reducing W/GB without expanding floor space is vital to lowering operating costs. To meet these demands, Ultrastar 7K4000 d This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-552-0776, indicating validated use in U.S.
government and defense logistics supply chains.
| Depth | 147 mm |
| Width | 101.6 mm |
| Height | 26.1 mm |
| Weight | 690 g |
| HDD size | 3.5" |
| Internal | Yes |
| HDD speed | 7200 RPM |
| Interface | Serial ATA III |
| Access time | 8 ms |
| HDD capacity | 4 TB |
| Operating shock | 70 G |
| Bytes per sector | 512 |
| NSN | 5950-00-552-0776 |
| RATING METHOD | ELECTRICAL AND WINDING TURNS SINGLE COMPONENT SINGLE WINDING |
| DC RESISTANCE RATING IN OHMS | 11.000 SINGLE COMPONENT SINGLE WINDING |
| INCLOSURE TYPE | OPEN |
| TURN QUANTITY | 344 SINGLE COMPONENT SINGLE WINDING |
| MOUNTING METHOD | TERMINAL SINGLE GROUP |
| TERMINAL TYPE AND QUANTITY | 2 WIRE LEAD |
| OVERALL DIAMETER | 0.500 INCHES NOMINAL IN |
| COIL FORM TYPE | SOLID SINGLE COMPONENT |
| INDUCTANCE RATING | 500.00 MICROHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING |
| WINDING CONDUCTOR SIZE | 0.00500 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE WINDING IN |