OWC

Express USB 2.0
640GB Portable Storage Solution

Mac / PC / USB 2.0
Portable simplicity in an affordable, pocket-sized package
Express your digital life with style and convenience
The pocket-sized OWC Express USB 2.0 Portable Storage Drive offers bus-powered personal storage performance in an ultra-portable design – no AC adapter needed. With the included USB connecting cable and carrying sleeve, and compatible with Macs and PCs, the OWC Express USB 2.0 Portable Storage Drive puts your music, photos, and personal data right where you need them, with storage to spare.

Product Specifications:

Manufacturer Part Number

  • ESU2M640GBS

Mac OS Compatibility

  • Mac OS X 10.2 or later

PC OS Compatibility

  • Windows 98 or later

Chipset

  • USB 3.0 (ASMedia 1053e)

Format

  • Included Drive Guide Software will format drive for either OS X or Windows

Number of Bays

  • (1) 2.5" SATA

Ports

  • (1) USB 2.0 Port

Standard Mechanism

  • 640GB HGST Travelstar™ 5K750 Specifications:

    Specifications

    Form Factor
    2.5″ HDD
    Interface
    SATA 3.0Gb/s NCQ
    Capacity1
    640GB
    Formatted Capacity2
    598GiB
    Rotational Speed
    5,400 RPM
    Cache / Data Buffer
    8MB
    Manufacturer Model Number
    HTS547564A9E384
    RoHS Compliant
    Yes
    Format

    Physical

    Height (max)
    9.5mm (0.370″)
    Width (max)
    69.85mm (2.750″)
    Length (max)
    100.35mm (3.951″)
    Weight (typical)
    102g (0.225 lbs.)
    Data Heads
    4
    Number of Disks
    2
    Guaranteed Sectors
    1,465,149,168
    Bytes per Sector
    512e
    Areal Density
    472Gb/in2

    Reliability3

    Load/Unload cycle
    600,000

    Performance

    Transfer Rate (Max)
    996 Mb/s
    Track-to-track Seek
    1.0ms
    Average Seek Time
    12.0ms
    Average Latency
    5.5ms

    Power

    Maximum Start Current, DC
    4.5 Amps
    Seek Power
    1.7 Watts
    Read Power
    1.4 Watts
    Write Power
    1.4 Watts
    Idle Mode
    1.5 Watts
    Idle Mode, Active
    0.8 Watts
    Standby Mode
    0.2 Watts
    Sleep Mode
    0.1 Watts

    Environmental (Operating)

    Shock
    400 G max at 2ms
    Ambient Temperature (°F)
    32°F to 140°F
    Ambient Temperature (°C)
    0°C to 60°C
    Altitude
    -304.8 m to 3,048 m (-1,000 ft to 10,000+ ft)

    Environmental (Non-Operating)

    Shock
    1000 G max at 1ms
    Ambient Temperature (°F)
    -40°F to 149°F
    Ambient Temperature (°C)
    -40°C to 65°C
    Altitude
    -304.8 m to 12,192 m (-1000 ft to 40,000+ ft)

    Acoustics

    Idle (Typical)
    2.4 bels
    Seek (Typical)
    2.6 bels
    1. 1GB = 1,000,000,000 bytes. Total accessible capacity varies depending upon operating environment (typically 5-10% less). The actual total capacity will depend on your own defined file settings/preferences.
    2. In terms of standard gigabytes, 1GiB ≈ 1.074GB and refers to the actual formatted capacity of shown under Mac OS 10.5 or earlier and Microsoft Windows OS.
    3. Specific application environments such as temperature and duty cycle will affect the overall reliability rates.
    640GB* Hitachi Hard Disk Drive**
  • *1GB = 1,000,000,000 bytes. Total accessible capacity varies depending upon operating environment (typically 5-10% less). The actual total capacity will depend on your own defined file settings/preferences.

    **OWC reserves the right to replace or upgrade to equivalent or better components.

Bootable

  • Yes

Housing Color

  • Silver

Security Slot

  • No

Power

  • Bus Powered

Environment

  • Environmental (Operating)
    • Temperature 32°F to 140°F (0°C to 60°C)
    • Altitude -304.8 m to 3,048.0 m (-1,000 ft to 10,000 ft)
    • Shock 400 G max at 2 ms
  • Environmental (Non-Operating)
    • Temperature -40°F to 149°F (-40°C to 65°C)
    • Altitude -304.8 m to 12,192.0 m (-1,000 ft to 40,000 ft)
    • Shock 1000 G max at 1 ms

Dimensions

  • Height: 1.5 cm (0.6 in)
  • Width: 7.9 cm (3.1 in)
  • Length: 13.0 cm (5.1 in)

Acoustics

  • 24dB
Manufacturer provided specifications for Other World Computing p/n ESU2M640GBS

Gallery

Includes

  • (1) OWC Express USB 2.0 Portable External Drive
  • (1) High Quality Double Shielded USB 2.0/1.1 (mini-B type) Connecting Cable
  • (1) Printed Guide
  • (1) Carrying Sleeve
OWC Express USB 2.0 640GB Portable Storage Solution Mfr P/N: ESU2M640GBS OWC SKU: OWCESU2M640GBS Compact, Bus-Powered, Boot Compatible storage for home, office, school, and on the go! 2 Year OWC Limited Warranty Ships: Same Day Only $49.99OWC Price $39.88
Add to CartOther World Computing ESU2M640GBS In Stock, Click to Buy Now
Additional Colors & Capacities: Enclosure Only
  • Silver
    • Ships: Same Day
    • Only $14.99
    • Cyber Saver $6.99
Hard Drive Models
  • 640GB Silver
  • 1.0TB Silver
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    • Only $59.99
    • Cyber Saver $49.88