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Startech Ecusb3s254f Flush Mount Expresscard 54mm Usb 3 Card - PS2 - Cables - COMPUTER HARDWARE

Startech Ecusb3s254f Flush Mount Expresscard 54mm Usb 3 Card


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Retail Price $78
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SKU#: ECUSB3S254F / ITEM NO: 569373
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    2 Port Flush Mount ExpressCard 54mm SuperSpeed USB 3.0 Card Adapter with UASP - Dual Port Laptop ExpressCard USB 3 Controller
    Startech Ecusb3s254f Flush Mount Expresscard 54mm Usb 3 Card

    Product Overview

    The ECUSB3S254F 2-Port Flush Mount USB 3.0 ExpressCard Adapter lets you add two USB 3.0 ports to your ExpressCard-enabled laptop.

    The USB 3.0 card uses a unique design that allows it to sit flush in a standard 54mm laptop ExpressCard slot, creating a seamless add-on that can be left installed even while on the move, without having to worry about impact damage to either the card or the ExpressCard slot.

    Enhanced with UASP support (USB Attached SCSI Protocol), this USB 3.0 controller performs up to 70% faster than conventional USB 3.0 when paired with a UASP supported enclosure (Note: UASP requires a compatible operating system). Using a more efficient protocol than the traditional USB BOT (Bulk-Only Transport), UASP technology optimizes transfers by allowing multiple commands to be processed simultaneously, significantly increasing transfer speeds for less wait time on data transfers. See our UASP test results below for further details.

    The SuperSpeed USB 3.0 Card supports data transfer rates of up to 5Gbps, and is backward compatible with USB 2.0 (at up to 480Mbps), or USB 1.1/1.0 at up to 1.5/1.2 Mbps respectively - the perfect laptop accessory for users to connect USB devices, both new and old.

    Backed by a 2-year warranty and free lifetime technical support.

    Improved Performance with UASP

    UASP is supported in Windows 8, Server 2012 and Linux kernel 2.6.3 or later. In testing UASP performed with up to a 70% faster read / 40% faster write speed over traditional USB 3.0 at peak performance.

    At the same peak in testing, UASP also showed up to an 80% reduction in required processor resources.

    Test results were obtained using an Intel Ivy Bridge system, add-on USB 3.0 cards, a UASP-enabled enclosure, and a SATA III solid state drive.

    Product Specifications

    Warranty Information


    2 Years

    Physical Characteristics

    Product Height

    0.2 in [5 mm]

    Product Length

    2.9 in [74 mm]

    Product Weight

    0.8 oz [23.8 g]

    Product Width

    2.1 in [54 mm]


    Bus Type


    Card Type

    54mm ExpressCard

    Chipset ID

    Renesas / NEC - µPD720200


    USB 3.0




    Type and Rate

    USB 3.0 - 5 Gbit/s

    UASP Support



    External Ports

    2 - USB 3.0 A (9 pin; SuperSpeed) Female


    OS Compatibility

    Windows 10 (32/64), 8 / 8.1 (32/64), 7 (32/64), Vista (32/64), XP (32/64) Windows Server 2008 R2, 2003

    Special Notes / Requirements


    The maximum throughput of this card is limited by the host bus interface. If used with ExpressCard Gen 1.0 enabled computers, the max throughput is 2.5 Gbps. If used with ExpressCard Gen 2.0 enabled computers, the max throughput is 5 Gbps.

    System and Cable Requirements

    Available ExpressCard/54 slot


    Center Tip Polarity


    Output Voltage

    5 DC

    Plug Type


    Power Source

    Not Included (not required for standard applications)


    Operating Temperature

    0°C to 85°C (32°F to 185°F)

    Storage Temperature

    -65°C to 125°C (-85°F to 257°F)

    Packaging Information

    Shipping (Package) Weight

    4.8 oz [135 g]

    What's in the Box

    Included in Package

    1 - ExpressCard USB 3.0 Card


    1 - USB to DC Power Adapter Cable


    1 - Driver CD


    1 - Instruction Manual

    Brand StarTech
    Dimension Product Height 0.2 in [5 mm]
    Product Length 2.9 in [74 mm]
    Product Width 2.1 in [54 mm]
    Ports 2
    Interface USB 3.0
    Speed 5 Gbps
    Manufacturer Warranty
    1 Year Return to Base Warranty
    Manufacturer Contact Info

    Our customer service staff are standing by to assist you. Should you have questions about this product, please complete the form below and we'll be in touch soonest possible. We aim to answer your enquiries within 24 hours.

    For IMMEDIATE customer service assistance or help with an order please call our Customer Service Team on: 02 9011 2078
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