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4 Port PCI Express (PCIe) SuperSpeed USB 3.0 Card Adapter w/ 4 Dedicated 5Gbps Channels - UASP - SATA / LP4 Power

4.1 out of 5 stars 289 customer reviews

List Price: $123.99
Price: $80.48 & FREE Shipping.Details
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4 Ext Quad Bus
PCI Express
    This fits your .
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  • 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
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From the manufacturer

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 3.0 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 (I phones and iPad) faster than a standard USB 3.0 port.


Product information

Capacity:4 Ext Quad Bus  |  Style:PCI Express

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Warranty & Support

Amazon.com Return Policy:You may return any new computer purchased from Amazon.com that is "dead on arrival," arrives in damaged condition, or is still in unopened boxes, for a full refund within 30 days of purchase. Amazon.com reserves the right to test "dead on arrival" returns and impose a customer fee equal to 15 percent of the product sales price if the customer misrepresents the condition of the product. Any returned computer that is damaged through customer misuse, is missing parts, or is in unsellable condition due to customer tampering will result in the customer being charged a higher restocking fee based on the condition of the product. Amazon.com will not accept returns of any desktop or notebook computer more than 30 days after you receive the shipment. New, used, and refurbished products purchased from Marketplace vendors are subject to the returns policy of the individual vendor.
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September 22, 2017
Capacity: 4 Ext Quad Bus|Style: PCI Express|Verified Purchase
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13 people found this helpful
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April 15, 2017
Capacity: 4 Ext Quad Bus|Style: PCI Express|Verified Purchase
7 people found this helpful
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January 25, 2013
Capacity: 4 Ext|Style: PCI Express|Verified Purchase
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52 people found this helpful
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November 9, 2014
Capacity: 4 Ext Quad Bus|Style: PCI Express|Verified Purchase
8 people found this helpful
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July 7, 2016
Capacity: 4 Ext|Style: PCI|Verified Purchase
5 people found this helpful
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December 2, 2017
Capacity: 4 Ext Quad Bus|Style: PCI Express|Verified Purchase
3 people found this helpful
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This item: 4 Port PCI Express (PCIe) SuperSpeed USB 3.0 Card Adapter w/ 4 Dedicated 5Gbps Channels - UASP - SATA / LP4 Power