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StarTech 2 Port PCI Express PCIe SuperSpeed USB 3.0 Card Adapter with UASP - LP4 Power - PEXUSB3S25
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StarTech 2 Port PCI Express PCIe SuperSpeed USB 3.0 Card Adapter with UASP - LP4 Power
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StarTech.com 2 Port PCI Express (PCIe) SuperSpeed USB 3.0 Card Adapter with UASP - LP4 Power 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 o..

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

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.

 
Design
RoHS compliance
Performance
Data transfer rate (max) 5 Gbit/s
Ports & interfaces
Host interface PCIe
Internal
Output interface USB 3.0
USB 3.0 (3.1 Gen 1) Type-A ports quantity 2
Operational conditions
Operating relative humidity (H-H) 5 - 85
Operating temperature (T-T) 0 - 50
Storage temperature (T-T) -20 - 60
Weight & dimensions
Depth 67 mm
Height 121 mm
Package depth 170 mm
Package height 28 mm
Package weight 130 g
Package width 142 mm
Weight 90 g
Width 19 mm
  • Other Product Codes for this item:
  • PEX-USB3S25
  • PEXUSB-3S25
  • PEXUSB3S2
  • PEXUSB3S
  • PEXUSB3