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![Startech PEXUSB3S44V 4 Port PCI Express (PCIe) SuperSpeed USB 3.0 Card Adapter with 4 Dedicated 5Gbps Channels, UASP, SATA / LP4 Power]({"https://images-na.ssl-images-amazon.com/images/I/81c3kVegGsL._SY450_.jpg":[450,450],"https://images-na.ssl-images-amazon.com/images/I/81c3kVegGsL._SX466_.jpg":[466,466],"https://images-na.ssl-images-amazon.com/images/I/81c3kVegGsL._SX425_.jpg":[425,425],"https://images-na.ssl-images-amazon.com/images/I/81c3kVegGsL._SX522_.jpg":[522,522],"https://images-na.ssl-images-amazon.com/images/I/81c3kVegGsL._SY355_.jpg":[355,355]})
Startech PEXUSB3S44V 4 Port PCI Express (PCIe) SuperSpeed USB 3.0 Card Adapter with 4 Dedicated 5Gbps Channels, UASP, SATA / LP4 Power
| Price: | £85.69 & FREE Delivery in the UK. Delivery Details |
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- Add four USB 3.0 ports with four independent channels LP/SATA power & charging support to your PC through a PCI Express slot
- Compatible with HP Pro 3500 / Lenovo ThinkCentre M93p
- 4 Port PCIe USB 3.0 Card w/ 4 Dedicated 5Gbps Channels / USB 3.0 UASP Card
- PCIe USB 3.0 Controller
- 4 Independent Port USB 3.0 Expansion Card w/ UASP / SATA Powered USB 3.0 Adapter Card w/ up to 20 Gbps total bandwidth
- USB 3.0 PCIe Card w/ USB Battery Charging Specification 1.2 (Apple Mode device charging only)
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Product description
Product Description
"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
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.
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."
Box Contains
4 Port PCIe USB Card
Low Profile Bracket
Driver CD
Instruction Manual
From the manufacturer
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
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.
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 per cent faster read / 40 per cent faster write speed over traditional USB 3.0 at peak performance.
At the same peak in testing, UASP also showed up to an 80 per cent reduction in required processor resources.
Applications
Add four USB 3.0 ports with 4 independent channels, LP/SATA power, and charging support to your PC
- Upgrade an older PCIe-based system to USB 3.0 connectivity and UASP support to fully utilize USB 3.0 devices.
- Expand the USB capabilities of your system with four external ports for connecting additional external hard drives, CD/DVD drives, MP3 players, printers, scanners, webcams, game controllers, digital cameras, etc. to a computer system.
StarTech.com Packaging
Look for StarTech.com Branded Packaging to ensure you are getting a genuine StarTech.com product.
Features
- 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.
- Optional LP4 or SATA power connector provides up to 900mA per USB port.
- Supports USB Battery Charging Specification 1.2 (Apple Mode only).
- Fully compliant with USB 3.0 rev 1.0 and Intel xHCI rev 1.0 specifications.
- Backward compatible with USB 2.0 and USB 1.0/1.1 devices.
- Includes a Low Profile/half-height installation bracket.
- Hot-swap feature to connect/disconnect devices without powering down the system.
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