StarTech.com PEXUSB3S42V StarTech.com 4 Port Dual Bus PCI Express (PCIe) SuperSpeed USB 3.0 Card Adapter with UASP, SATA/LP4 Power
StarTech.com 4 Port Dual Bus PCI Express (PCIe) SuperSpeed USB 3.0 Card Adapter with UASP, SATA/LP4 PowerThe PEXUSB3S42V 4-Port Dual Bus PCI Express USB 3.0 Card lets you add four dual bus USB 3.0 ports to your PCIe x4-enabled PC. Dual bus architecture improves USB 3.0 performance by transferring data on independent 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 dual bus transmission channel is shared across two ports rather than four. Allocating 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 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
UASP is supported in Windows® 8, 8.1, Server 2012 and Linux kernel 2.6.37 or later. In testing UASP performed with up to a 70% faster read / 40% faster write speed over traditional USB 3.0 at peak performance.
|Output interface:||USB 3.0|
|USB 3.0 ports quantity:||4|
|Peripheral Molex power connectors 4-pin:||1|
|Internal SATA ports quantity:||1|
|Data transfer rate max:||5 Gbit/s|
|Operating temperature T-T:||0 - 50 °C|
|Storage temperature T-T:||-20 - 60 °C|
|Operating relative humidity H-H:||5 - 85 %|
|Package weight:||130 g|
StarTech.com 4 Port Dual Bus PCI Express (PCIe) SuperSpeed USB 3.0 Card Adapter with UASP, SATA/LP4 Power
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