Hitachi Ultrastar A7K1000 HUA721050KLA330 500GB 7.2K LFF SATA HDD

Hitachi Part #/MPN: HUA721050KLA330

DiscTech Item #: HIT-HUA721050KLA330-RF-OE


Enterprise Grade

Capacity: 500GB

Speed: 7,200RPM

Interface Types: SATA

Form Factor: 3.5inx1.0in LFF Hard Drive

Sector Size: 512 / 512e

Sustained Throughput: 42-85

Average Seek Time: 8.5

Electrical Interface: SATA 300 - 3.0Gbps

On-Board Cache: 32MB

Hitachi Ultrastar A7K1000 0A35770 / 0A36141 / HUA721050KLA330 500GB 7.2K Enterprise LFF SATA HDD - Refurbished

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. The Ultrastar A7K1000 allows for configuration scalability and with the same physical connector as Serial Attached SCSI (SAS) drives, it’s ideal for use in mixed-drive environments. In multi-drive environments, rotational vibration, which results from the vibration of neighboring drives in a system, can degrade hard drive performance. To aid in maintaining high performance, the Ultrastar A7K1000 incorporates enhanced Rotational Vibration Safeguard (RVS) technology providing up to 50% improvement over the previous generation against performance degradation, leading the industry.

Hitachi p/n: 0A35770 / 0A36141




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


    Drive specification


    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

    32 Mbytes

    Height (max)

    26.1 mm

    Width (max)

    101.6 mm

    Length (max)

    147 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 60 °C (op.)

    –40° to 70 °C (nonop.)


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

    Alternate MPNs: 0A35770 0A36141

    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