Lenovo 500GB USB Portable Hard Drive (55Y9262) AS NEW SEE TEST RESULTS

As new hard drive that was opened up recently and used for less than a week before being provided a larger capacity unit from work. Please see provided test results.
Features and specifications
The Lenovo USB Portable 500GB Hard disk drive (45K1690) option provides the ultimate in portability and ease of use without sacrificing capacity. Features and benefits include:

    High-speed USB 2.0 Interface.
    Compact size -- Fits in a shirt pocket.
    No requirement for AC power adapter.
    Operating system independent, no operating system drivers needed
    500GB capacity
    5400 rpm speed
    No Auxiliary power USB cable included
    No Carrying case included
    Innovative top cover design
    No requirement for ac power adapter -- Does not require two USB ports on systems, depending upon configuration.

Note: GB = 1 billion bytes when referring to storage capacity; accessible capacity is less.

Performance specifications:

    Typical data transfer speeds*:
        USB 1.1
            Read up to 900 KBps
            Write up to 700 KBps
        USB 2.0
            Read up to 30 MBps
            Write up to 25 MBps

* Actual performance varies based on many factors and is often less than the maximum possible.

Physical specifications:

    Lenovo USB 2.0 Portable 500GB Hard drive (45K1690)
        Approximate height: 14 mm (0.5 in)
        Approximate width: 77 mm (3.0 in)
        Approximate length: 130 mm (5.1 in)
        Approximate weight: 154 g (6 oz)
    Lenovo USB 2.0 Portable 500GB Hard drive (45K1690) packaged in a carton:
        Approximate height: 67 mm (2.6 in)
        Approximate width: 110 mm (4.3 in)
        Approximate length: 160 mm (6.3 in)
        Approximate weight: 300 g (11 oz)

Operating environment:

    Operating temperature (card): 0 deg to 60 deg C (32 deg to 140 deg F)
    Relative humidity: 5% to 85% (non-condensing)