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    StarTech.com 2 Port PCI Express (PCIe) SuperSpeed USB 3.0 Card Adapter with UASP - LP4 Power - Dual Port USB 3 PCIe C...

    Price includes GST & delivery
    Manufacturer part PEXUSB3S25 | Dell part A7408139 | Order Code a7408139 | StarTech.com
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    StarTech.com 2 Port PCI Express (PCIe) USB 3.0 Card with UASP - LP4 Power

    • Increase efficiency of your USB 3.0 devices with up to 5 Gbps of bandwidth
    • Fits into full or low profile/small form factor (SFF) systems, with a dual profile design
    • Power high-powered USB devices as necessary, with the optional LP4 power connector
    • Provides two external USB 3.0 ports with UASP support
    • Supports data rates up to 5 Gbps
    • Compliant with PCI Express 2.0 specifications
    • Optional LP4 power connector provides up to 900mA per USB port
    • Supports USB Battery Charging Specification 1.2
    StarTech.com 2 Port PCI Express (PCIe) USB 3.0 Card with UASP - LP4 Power

    Media

    Increase efficiency of your USB 3.0 devices with up to 5 Gbps of bandwidth

    The PEXUSB3S25 2-Port PCI Express USB 3.0 Card lets you add two USB 3.0 ports to your PCI Express-enabled computer system, with an optional LP4 power connector to connect to your system power supply and deliver up to 900mA of power per port to USB 3.0 bus-powered devices (500mA for USB 2.0).

    The PCIe USB 3.0 adapter is compliant with USB 3.0 standards for data transfer speeds up to 5 Gbps, while still offering backward compatibility with existing USB 2.0 / 1.1 devices. For added versatility, the controller card is equipped with a standard profile bracket and includes a low-profile/half-height bracket for installation in small form-factor computers.

    Improved Performance with UASP

    UASP is supported in Windows® 8, 8.1, Server 2012 and Linux kernel 2.6.37 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.

    Product Features and Applications

    • Provides two external USB 3.0 ports with UASP support
    • Supports data rates up to 5 Gbps
    • Compliant with PCI Express 2.0 specifications
    • Optional LP4 power connector provides up to 900mA per USB port
    • Supports USB Battery Charging Specification 1.2
    • Fully compliant with USB 3.0 rev 1.0 and Intel xHCI rev 1.0 specifications
    • Backward compatible with USB 2.0 and USB 1.0/1.1 devices
    • Includes a Low Profile/half-height installation bracket

    Add 2 SuperSpeed USB 3.0 ports to your PCI Express-enabled PC. The PEXUSB3S25 2-Port PCI Express USB 3.0 Card lets you add two USB 3.0 ports to your PCI Express-enabled computer system, with an optional LP4 power connector to connect to your system power supply and deliver up to 900mA of power per port to USB 3.0 bus-powered devices (500mA for USB 2.0).

    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 (Note: UASP is not supported by all operating systems). 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.

    The PCIe USB 3.0 adapter is compliant with USB 3.0 standards for data transfer speeds up to 5 Gbps, while still offering backward compatibility with existing USB 2.0 / 1.1 devices. For added versatility, the controller card is equipped with a standard profile bracket and includes a low-profile/half-height bracket for installation in small form-factor computers.

    UASP is supported in Windows 8, 8.1, Server 2012 and Linux kernel 2.6.37 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, StarTech.com add-on USB 3.0 cards, a UASP-enabled StarTech.com enclosure, and a SATA III solid state drive.

    Quick Specs


    Device Type
    USB adapter
    Form Factor
    Plug-in card
    Interface (Bus) Type
    PCI Express x1
    Ports
    USB 3.0 x 2
    Dimensions (WxDxH)
    1.9 cm x 6.7 cm x 12.1 cm
    Weight
    90 g
    Data Link Protocol
    USB, USB 2.0, USB 3.0
    Data Transfer Rate
    5 Gbps
    Compliant Standards
    USB 1.1, USB 2.0, USB 3.0
    System Requirements
    Microsoft Windows Server 2008 R2, Microsoft Windows Server 2012, Microsoft Windows Server 2012 R2, Microsoft Windows Vista / 7 / 8 / 8.1 / 10, Microsoft Windows Server 2016, Microsoft Windows Server 2019, Linux 2.6.31 - 4.11.x LTS versions only
    Manufacturer Warranty
    2-year warranty
    Designed For
    P/N: CFASTRWU3, S251SMU33EP, ST103008U2C, ST3300GU3B, ST4300U3C1, ST4300U3C1B, ST4300U3C3, ST53004U1C, ST7300U3M, ST93007U2C, UNI251BMU33, USB3S2ESATA3

    General


    Device Type
    USB adapter
    Form Factor
    Plug-in card
    Interface (Bus) Type
    PCI Express x1

    Networking


    Ports
    USB 3.0 x 2
    Connectivity Technology
    Wired
    Data Link Protocol
    USB, USB 2.0, SuperSpeed USB 3.0
    Data Transfer Rate
    5 Gbps
    Compliant Standards
    USB 1.1, USB 2.0, USB 3.0

    Expansion / Connectivity


    Interfaces
    2 x USB 3.0 - 9 pin USB Type A (external)

    Miscellaneous


    Included Accessories
    Low-profile bracket
    Compliant Standards
    FCC, RoHS

    Software / System Requirements


    Software Included
    Drivers & Utilities
    OS Required
    Microsoft Windows Server 2008 R2, Microsoft Windows Server 2012, Microsoft Windows Server 2012 R2, Microsoft Windows Vista / 7 / 8 / 8.1 / 10, Microsoft Windows Server 2016, Microsoft Windows Server 2019, Linux 2.6.31 - 4.11.x LTS versions only

    Dimensions & Weight


    Width
    1.9 cm
    Depth
    6.7 cm
    Height
    12.1 cm
    Weight
    90 g

    Manufacturer Warranty


    Service & Support
    Limited warranty - 2 years

    Environmental Parameters


    Min Operating Temperature
    0 °C
    Max Operating Temperature
    50 °C
    Humidity Range Operating
    5 - 85%

    Compatibility Information


    Designed For
    P/N: CFASTRWU3, S251SMU33EP, ST103008U2C, ST3300GU3B, ST4300U3C1, ST4300U3C1B, ST4300U3C3, ST53004U1C, ST7300U3M, ST93007U2C, UNI251BMU33, USB3S2ESATA3

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