[106美國直購] 4 Port PCI Express (PCIe) SuperSpeed USB 3.0 Card Adapter w 4 Dedicated 5Gbps Channels PEXUSB3S44V
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PS.圖片僅供參考,商品以實物為准! 4 Port PCI Express (PCIe) SuperSpeed USB 3.0 Card Adapter w/ 4 Dedicated 5Gbps Channels - UASP - SATA / LP4 Power Increase the efficiency of your USB 3.0 devices with four dedicated bus channels and up to 5 Gbps of bandwidth per channel - 20 Gbps total Time-saving file transfers, up to 70% faster than traditional USB 3.0 when used with a UASP-supported enclosure Power high-powered USB devices as necessary, with the optional LP4 or SATA power connector Provides four external, independent USB 3.0 Ports Supports up to 20 Gbps total transfer bandwidth - Up to 5 Gbps per port UASP support across all four ports PCIe x4 interface compliant with PCI Express 2.0 specifications From the manufacturer 4 Port PCI Express (PCIe) SuperSpeed USB 3.0 Card Adapter w/ 4 Dedicated 5Gbps Channels View larger Add four USB 3.0 ports with four independent channels, LP/SATA power, and charging support to your PC through a PCI Express slot The PEXUSB3S44V 4-Port PCI Express USB 3.0 Card lets you add four, dedicated 5 Gbps USB 3.0 ports to your PCIe x4-enabled PC. This independent port architecture improves USB 3.0 performance by transferring data on four individual channels to your computer, giving you faster file transfers. Increase the efficiency of your USB 3.0 devices with four dedicated bus channels When multiple devices are connected, traditional single bus USB 3.0 cards share your maximum bandwidth between all ports. By employing four host controller chipsets, each port operates on a separate independent transmission channel. Dedicating up to 5 Gbps to each USB port reduces performance bottlenecks, and effectively quadruples your total available to bandwidth to 20 Gbps. Power high-powered USB devices as necessary, with the optional LP4 or SATA power connector 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). Write / read speed comparison View larger 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. CPU utilization comparison View larger UASP is supported in Windows 8, 8.1, Server 2012 and Linux kernel 2.6.37 or later. At the same peak in testing, UASP also showed up to an 80% reduction in required processor resources. *Note: 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. Supports USB Battery Charging Specification 1.2 (Apple Mode only) 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. PCIe x4 interface compliant with PCI Express 2.0 specifications Upgrade an older PCIe-based system to USB 3.0 connectivity and UASP support to fully utilize USB 3.0 devices Includes a Low Profile/half-height installation bracket 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. Packaging image View larger Avoid fraudulent products Look for StarTech. com Branded Packaging to ensure you are getting a genuine StarTech. com product. Product description Capacity:4 Ext Quad Bus | Style:PCI Express Add four USB 3.0 ports with four independent channels, LP/SATA power, and charging support to your PC through a PCI Express slot. The PEXUSB3S44V 4-port PCI Express USB 3.0 card lets you add four, dedicated 5 Gbps USB 3.0 ports to your PCIe x4-enabled PC. This independent port architecture improves USB 3.0 performance by transferring data on four 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 four host controller Chipsets, each port operates on a separate independent transmission channel. Dedicating up to 5 Gbps to each USB port reduces performance bottlenecks, and effectively quadruples your total available to bandwidth to 20 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. 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. Product information Capacity:4 Ext Quad Bus | Style:PCI Express Technical Details COLLAPSE ALL OTHER TECHNICAL DETAILS Brand Name StarTech Series PEXUSB3S44V Item model number PEXUSB3S44V Item Weight 7.2 ounces Product Dimensions 8.3 x 5.5 x 1.5 inches Item Dimensions L x W x H 8.27 x 5.51 x 1.5 inches ASIN B00HJZEA2S ?