StarTech PEXUSB3S4 PCIe USB 3.0 4-Port 5Gbps Card

• Brand: StarTech.com
• Model / SKU: PEXUSB3S4
• Product Type: PCI Express USB 3.0 expansion card
• Number of USB Ports: 4
• USB Interface: USB 3.2 Gen 1 / USB 3.0
• USB Speed: 5Gbps
• USB Port Type: 4 × USB-A, 9-pin, 5Gbps
• Host Interface: PCI Express x1
• PCIe Compatibility: PCI Express x1 or higher slot
• UASP Support: Yes
• Additional Power: SATA 15-pin
• USB Power: Up to 900mA per USB port with SATA power connected
• Backward Compatibility: USB 2.0 and USB 1.x
• Chipset Texas: Instruments TUSB7340
• Card Profile: Standard profile
• Low-Profile Bracket: Included
• Maximum Cable Length: 3m / 9.8ft
• Maximum Data Transfer Rate: 5Gbps
• Input Voltage: 12V DC
• Material: Steel
• Color: Green
• Product Length: 90mm / 3.5in
• Product Width: 70mm / 2.8in
• Product Height: 22mm / 0.9in
• Product Weight: 60g / 2.1oz
• Operating Temperature: 5°C to 50°C
• Storage Temperature: -25°C to 70°C
• Operating Humidity: 20%–80% RH
• Compatibility: PCIe-enabled PC/server with available PCIe x1-or-higher slot
• OS Support: Windows 7/8, Windows Server 2012, Linux

Why Choose This Product?

• Expand without replacing the PC: Adds four external USB ports through PCIe, helping extend existing desktop and server hardware.
• 5Gbps SuperSpeed connectivity: Provides substantially faster USB connectivity than USB 2.0 for compatible storage and peripherals.
• UASP-enabled storage performance: Supports a more efficient storage-transfer protocol when the enclosure and operating system also support UASP.
• Additional device power: SATA power input can provide up to 900mA per USB 3.0 port for suitable bus-powered devices. 
• Flexible chassis deployment: Standard and low-profile installation options support different PC form factors.
• Investment protection: Backward compatibility with USB 2.0 and 1.x devices helps organizations retain existing peripherals.
• Enterprise procurement suitability: TAA compliance and a 2-year warranty support structured commercial IT purchasing.
• Practical I/O scalability: Four dedicated external ports provide useful expansion for peripheral-heavy workstations and compatible servers.