StarTech 2 Port PCIe USB 3.0 Card with UASP
SKU# AB66975, Model# PEXUSB3S25

$76.98

SKU # AB66975 | Model # PEXUSB3S25

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StarTech 2 Port PCI Express (PCIe) SuperSpeed USB 3.0 Card Adapter with UASP - LP4 Power

Manufacturer Warranty: 2 Years Limited Warranty
Manufacturer Contact Info: http://www.StarTech.com.au,

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 UASP supported enclosure (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. See our UASP test results below for further details.

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.

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

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.

UASP Speed Diagram

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

UASP Speed Diagram

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.

Hardware
Ports2
Packaging Information
Shipping (Package) Weight153 g [5.4 oz]
Performance
Maximum Cable Length3 m [9.8 ft]
Maximum Data Transfer Rate5 Gbps
Type and RateUSB 3.0 - 5 Gbit/s
UASP SupportYes
Physical Characteristics
Product Height120 mm [4.7 in]
Product Length82 mm [3.2 in]
Product Weight51 g [1.8 oz]
Product Width18 mm [0.7 in]
Software
OS CompatibilityWindows® Vista, 7, 8, 8.1, 10
Windows Server® 2008 R2, 2012, 2012 R2, 2016
Linux 2.6.31 to 4.11.x LTS versions only
Special Notes / Requirements
NoteDevices that do not comply with the USB Battery Charging Specification may only receive standard USB power.
System and Cable RequirementsAvailable PCI Express slot
What's in the Box
Included in PackageDriver CD
Instruction Manual
Low Profile Bracket
PCIe USB 3.0 Card
SATA to LP4 Cable
Hardware
Port StyleIntegrated on Card
InterfaceUSB 3.0
Industry StandardsUSB 3.0 Specification Rev. 1.0
USB Battery Charging Specification Rev. 1.2
PCI Express Base Specification Rev. 2.0
Intel xHCI Specification Rev. 1.0
Chipset IDRenesas/NEC - µPD720202
Card TypeStandard Profile (LP bracket incl.)
Bus TypePCI Express
Environmental
Storage Temperature-20°C to 60°C (-4°F to 140°F)
Operating Temperature0°C to 50°C (32°F to 122°F)
Humidity5~85% RH
Connector(s)
Internal PortsLP4 (4 pin, Molex Large Drive Power) Male
External PortsUSB Type-A (9 pin) USB 3.0 Female
Connector Type(s)PCI Express x1 Male

SKU # AB66975 | Model # PEXUSB3S25

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