The StarTech PEXUSB3S23 is a 2-Port PCI Express USB 3.0 Card that lets you add two USB 3.0 ports to any PCI Express-enabled computer system. It requires SATA power for functionality and delivers 900mA of power per port to USB 3.0 bus-powered devices (500mA for USB 2.0) via your computer's SATA power connector. This 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.

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Brand New - A brand-new, unused, unopened, undamaged item in its original packaging.

This item comes with a 24-month manufacturer's warranty.

• Provides two external USB 3.0 connections
• Backward compatible with USB 2.0 and USB 1.0/1.1 devices
• Compliant with PCI Express 2.0 specifications
• Includes a Low Profile/half-height installation bracket
• Fully compliant with USB 3.0 rev 1.0 and Intel xHCI rev 1.0 specifications
• Supports data rates up to 5 Gbps
• SATA power connector (required) provides up to 900mA per USB port

• Device Type: USB adapter
• Form Factor: Plug-in Card
• Platform Supported: PC
• Interface (Bus) Type: PCI Express x1
• Ports: USB 3.0 x 2
• Data Transfer Rate: 5 Gbps
• 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 Vista (32/64 bits), Microsoft Windows 7 (32/64 bits), Microsoft Windows XP (32/64 bits), Microsoft Windows Server 2003 (32/64-bits), Windows 8 (32/64 bits), Windows 10 (32/64 bits)
• Dimensions (WxDxH): 2.1 cm x 8 cm x 12 cm
• Weight: 60 g
• Designed For: P/N: S3510SMU33, USB3S2ESATA3

• 1 x StarTech 2 Port PCI Express PCIe SuperSpeed USB 3.0 Controller Card with SATA Power PEXUSB3S23
• Low Profile Bracket
• Driver CD
• Instruction Manual