StarTech.com 4 Port PCI Express (PCIe) SuperSpeed USB 3.0 Card Adapter w/ 2 Dedicated 5Gbps Channels - UASP - SATA / LP4 Power - PCI Express x4 - Plug-in Card - 4 USB Port(s) - 4 USB 3.0 Port(s) - PC, Linux PEXUSB3S42V StarTech

Check out the items that will solve your troubles - Electronics, Computer & Photo. Designed to provide solution for intricate processes, this 4 Port PCI Express (PCIe) SuperSpeed USB 3.0 Card Adapter w/ 2 Dedicated 5Gbps Channels - UASP - SATA / LP4 Power - PCI Express x4 - Plug-in Card - 4 USB Port(s) - 4 USB 3.0 Port(s) - PC, Linux meets your needs. Learn about StarTech.com. Do yourself a favor and discover smart items and save money in the process. We are providing the next generation of astonishing item. Don`t know where to start looking? Try: StarTech.com - PEXUSB4DP - StarTech.com 4 Port PCI Express Low Profile High Speed USB Card - 3 x 4-pin Type A Female USB 2.0 USB External, or StarTech.com - ECUSB3S11 - StarTech.com 1 Port Flush Mount ExpressCard SuperSpeed USB 3.0 Card Adapter with UASP Support - ExpressCard/34 - Plug-in Module - 1 USB Port(s) - 1 USB 3.0 Port(s) and StarTech.com - PEXUSB3S4V - StarTech.com 4 Port PCI Express PCIe SuperSpeed USB 3.0 Controller Card Adapter with UASP - SATA Power - PCI Express x1 - Plug-in Card - 4 USB Port(s) - 4 USB 3.0 Port(s) - PC.

Add four USB 3.0 ports with two independent channels, LP/SATA power, and charging support to your PC through a PCI Express slot. The PEXUSB3S42V 4-Port PCI Express USB 3.0 Card lets you add four USB 3.0 ports with two dedicated 5 Gbps channels to your PCIe x4-enabled PC. This independent port architecture improves USB 3.0 performance by transferring data on two individual channels to your computer, giving you faster file transfers.

When multiple devices are connected, traditional single bus USB 3.0 cards share your maximum bandwidth between all ports. By employing a second host controller chipset, the transmission channel is shared across two ports rather than four. Dedicating up to 5 Gbps for each set of two ports reduces performance bottlenecks, and effectively doubles your total available to bandwidth to 10 Gbps.

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 requires a compatible operating system). 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.

For high-power USB devices, this PCIe USB 3.0 card includes an optional SATA or 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 USB 3.0 card also supports USB Battery Charging Specification 1.2 (Apple Mode only), letting you charge compatible Apple devices (iPhones and iPads) faster than a standard USB 3.0 port.

The controller card is compliant with USB 3.0 standards while offering backward compatibility with existing USB 2.0 / 1.1 devices. For added versatility, the USB 3.0 PCIe 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

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.

More from the Manufacturer

• Host Interface: PCI Express x4
• Package Contents:
  • 4 Port PCIe USB Card
  • 1 x Low Profile Bracket
  • 1 x Driver CD
  • 1 x Instruction Manual
• Host Interface: PCI Express x4
• Product Type: USB Adapter
• Product Type: USB Adapter
• Manufacturer Part Number: PEXUSB3S42V
• Manufacturer Website Address: http://www.startech.com
• Packaged Quantity: 1
• Platform Supported: Linux
• Platform Supported: PC
• Limited Warranty: 2 Year
• Weight (Approximate): 3.20 oz
• Form Factor: Plug-in Card
• Form Factor: Plug-in Card
• Length: 4.8"
• Manufacturer: StarTech.com
• Product Name: 4 Port PCIe USB Card
• Brand Name: StarTech.com
• Brand Name: StarTech.com
• Height: 0.7"
• Width: 2.6"
• Total Number of USB Ports: 4
• Environmentally Friendly: Yes
• Environmental Certification: RoHS
• Environmental Certification: WEEE
• Total Number of USB Ports: 4
• Number of USB 3.0 Ports: 4

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