Hitachi Ultrastar 750GB SATA Hard Drive 0A35771
Capacity: 750GB
Spindle Speed: 7,200RPM
Interface Type: SATA
Disk Size: 3.5″x1.0″ (LFF Hard Drive)
Sustained Throughput (MBps): 42 – 85
Average Seek Time (read/write ms): 8.2
Electrical Interface Speed: SATA 300 – 3.0Gbps
On-Board Cache: 32MB
The Ultrastar A7K1000 delivers up to 1TB of storage capacity in a standard 3.5-inch form factor, filling a vital need for high-density storage in the enterprise. With a unique 5-platter design, Hitachi has relaxed the bit densities to achieve higher reliability. The Ultrastar A7K1000 is built using the industry’s most reliable perpendicular magnetic recording (PMR) recording heads and media. The Ultrastar A7K1000 features a 3 GB/s SATA interface supporting key features in the Serial-ATA specification including Native Command Queuing (NCQ), staggered spin-up and hot-swap capability.
Hitachi p/n: HUA721075KLA330
Compatibility
This drive is compatible with any of our SATA hot-swap trays and all of our SATA controllers.
Drive specification |
0A35771 |
Formatted Gbytes (512 bytes/sector) |
750 |
Bytes per sector |
512 |
Read/write heads |
8 |
Data Disks |
4 |
Areal density (Gbits/inch2 avg) |
148 |
Spindle speed (RPM) |
7,200 |
Internal data transfer rate (Mbits/sec max) |
1070 |
I/O data transfer rate (Mbytes/sec max) |
300 |
Cache buffer |
32 Mbytes |
Height (max) |
26.11 mm (1.028 inches) |
Width (max) |
101.85 mm (4.010 inches) |
Length (max) |
146.99 mm (5.787 inches) |
Weight (max) grams |
700 |
Average seek, read (msec typical) |
8.2 |
Startup current (typical) 12V (peak) |
2.0 amps |
Idle mode (typical) watts |
9.0 |
Ambient temperature |
5° to 60°C (op.) –40° to 70°C (nonop.) |
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