Hitachi Ultrastar 750GB SATA Hard Drive 0A34791
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
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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
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Drive specification
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0A34791
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Formatted Gbytes (512 bytes/SECTOR)
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750
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Bytes per SECTOR
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512
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Read/write heads
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8
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Data Disks
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4
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Areal density (Gbits/inch2 avg)
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148
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Spindle speed (RPM)
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7,200
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Internal data transfer rate (Mbits/sec max)
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1070
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I/O data transfer rate (Mbytes/sec max)
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300
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Cache buffer
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32 Mbytes
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Height (max)
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26.11 mm (1.028 inches)
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Width (max)
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101.85 mm (4.010 inches)
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Length (max)
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146.99 mm (5.787 inches)
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Weight (max) grams
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700
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Average seek, read (msec typical)
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8.2
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Startup current (typical) 12V (peak)
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2.0 amps
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Idle mode (typical) watts
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9.0
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Ambient temperature
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5° to 60°C (op.)
–40° to 70°C (nonop.)
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HP 349239-B21 397553-001 WD2500YS 431689-001 250GB 7.2K SATA HARD DRIVE
1 × AED599.00 
Cisco SPA112 2 Port VoIP Telephone Adapter/ SIP ATA with 2-FXS/ VOIP Ports
1 × AED299.00 
Belkin AT SERIAL M/F Adapter DB9M-DB25F
1 × AED99.00 
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