Hitachi Deskstar E7K500 SATA Hard Drive 0A32779

Hitachi Part #/MPN: 0A32779

DiscTech Item #: HIT-0A32779-RF-OE-DEL


Enterprise Grade

Capacity: 500GB

Speed: 7,200RPM

Interface Types: SATA

Form Factor: 3.5inx1.0in LFF Hard Drive

Sector Size: 512 / 512e

Sustained Throughput: 31 - 64.8

Average Seek Time: 8.5

Electrical Interface: SATA 300 - 3.0Gbps

On-Board Cache: 16MB

Hitachi Deskstar E7K500 500GB 7.2K Enterprise SATA Hard Drive 0A32779 / 7U504 / HDS725050KLA360 - Refurbished OEM


  • 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


  • 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

DPN: 7U504, 07U504


This drive is compatible with any of our SATA drive trays as well as any system that supports SATA hard drives.

Drive specification

0A32779 / HDS725050KLA360

Formatted Gbytes (512 bytes/sector)


Bytes per sector


Read/write heads


Data Disks


Spindle speed (RPM)


Internal data transfer rate (Mbits/sec max)


I/O data transfer rate)


Cache buffer

16 Mbytes

Height (max)

25.4 mm

Width (max)

101.6 mm

Length (max)

146 mm

Weight (max) grams


Average seek, read (msec typical)


Startup current (typical) 12V (peak)

2.0 amps

Idle mode (typical) watts


Ambient temperature

5° to 55 °C (op.)

–40° to 65 °C (nonop.)

Click here to view the manufacturer's item description/brochure

Alternate MPNs: HDS725050KLA360 7U504 07U504

Weight: 1.8 lb

Warranty: 1 Year DiscTech


Condition Levels Explained

These products have had NO problems or failures, they merely have some usage. The product has been professionally returned to excellent condition. These items have been fully tested, formatted (if appropriate) &repackaged. Hard drives are fully vetted for surface defects and wear, only healthy disks are approved for resale to our customers. Please see our refurbishing process for more details. Watch a video about our refurbishing process

1 Year DiscTech Warranty

Product Warranties Explained

The product has a DiscTech warranty for the time period specified. View our limited warranty