Hitachi Deskstar E7K500 0A32904 SATA Hard Drive
Capacity: 500GB
Spindle Speed: 7,200RPM
Interface Type: SATA
Disk Size: 3.5″x1.0″ (LFF Hard Drive)
Sustained Throughput (MBps): 31 – 64.8
Average Seek Time (read/write ms): 8.5
Electrical Interface Speed: SATA 300 – 3.0Gbps
On-Board Cache: 16MB
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Highlights
- Up to 500 GB of capacity with SATA 3.0Gb/s
- 1,000,000 hour MTBF reliability
- Native Command Queuing (NCQ) for superior performance
- Rotational Vibration Safeguard for high density storage configurations
- Iridium Manganese Chromium head sensor TECHNOLOGY
for high reliability
- Low-power mode
Applications
- Nearline storage
- Disk-to-disk back-up
- Digital video surveillance
- RAID arrays
- Tiered storage
Rotational Vibration Safeguard (RVS) Feature
The Deskstar E7K500 hard drive is optimized for use in nearline/low duty cycle enterprise ENVIRONMENTS with capabilities such as Rotational Vibration Safeguard (RVS), which maintains the hard drive’s performance in high rotational vibration environments where multiple drives reside in a single enclosure.
Advanced Serial ATA 3.0Gb/s Support
- 3.0 Gb/s (300 MB/s) interface data rate
- NCQ (native command queuing)
- Staggered (delayed) spin-up
- Hot-swap capability
The E7K500 provides all of these enhancements to enable faster data access, better power MANAGEMENT to the system and higher performance.
Hitachi p/n: 0A32779 HDS725050KLA360
Dell p/n: 0X8661 X8661
Compatibility
This drive is compatible with any of our SATA drive trays as well as any system that supports SATA hard drives
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Drive specification
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0A32904 / HDS725050KLA360
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Formatted Gbytes (512 bytes/SECTOR )
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500
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Bytes per SECTOR
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512
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Read/write heads
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10
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Data Disks
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5
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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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817
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I/O data transfer rate)
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3.0Gb/s
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Cache buffer
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16 Mbytes
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Height (max)
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25.4 mm
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Width (max)
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101.6 mm
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Length (max)
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146 mm
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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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8.5
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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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9.6
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Ambient temperature
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5° to 55 °C (op.)
–40° to 65 °C (nonop.)
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