Does this use USB headers on the motherboard?

No, this product does not use USB headers on the motherboard. It uses a PCI Express slot and has a PCI Express x4 Male connector.

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StarTech PEXUSB3S42V 4 Port Dual Bus PCI Express (PCIe) SuperSpeed USB 3.0 Card Adapter with UASP - SATA/LP4 Power

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External USB Ports: 4 Ext Dual Bus

4 Ext
4 Ext Dual Bus
4 Ext Quad Bus

Add four USB 3.0 ports with two independent channels LP/SATA power and charging support to your PC through a PCI Express slot
Compatible with HP Pro 4300 / Dell OptiPlex 3010
4 Port PCIe USB 3.0 Card w/ 2 Dedicated 5Gbps Channels / USB 3.0 UASP Card
USB 3.0 Controller
USB 3.0 Expansion Card with UASP / SATA Powered USB 3.0 Adapter Card w/ 2 channels and up to 5 Gbps of bandwidth per channel
USB 3.0 PCIe Card with USB Battery Charging Specification 1.2 (Apple Mode device charging only)

Overview

Specs

Reviews (58)

Add four USB 3.0 ports with four independent channels, LP/SATA power, and chargi

Model
Brand	StarTech.com
Model	PEXUSB3S42V

Details
Type	PCI Express
Specifications	Industry Standards: - USB 3.0 Specification Rev. 1.0 - USB Battery Charging Specification Rev. 1.2 (Apple Mode only) - PCI Express Base Specification Rev. 2.0 - Intel xHCI Specification Rev. 1.0 Interface: USB 3.0 Connector Type(s): 1 - PCI Express x4 Male External Ports: 4 - USB 3.0 A (9 pin; SuperSpeed) Female Internal Ports: - 1 - LP4 (4 pin; Molex Large Drive Power) Female - 1 - SATA Power (15 pin) Plug Maximum Cable Length: 9.8 ft [3 m] Maximum Data Transfer Rate: 5Gbps per 2 ports - 10Gbps Total Type and Rate: USB 3.0 - 5 Gbit/s UASP Support: Yes

Features
Features	Add 4 SuperSpeed USB 3.0 ports with Quad Bus architecture (5Gbps per port) to your PCI Express-enabled PC Provides four external, quad bus 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 Add four USB 3.0 ports with two independent channels LP/SATA power and charging support to your PC through a PCI Express slot Compatible with HP Pro 4300 / Dell OptiPlex 3010 4 Port PCIe USB 3.0 Card w/ 2 Dedicated 5Gbps Channels / USB 3.0 UASP Card USB 3.0 Controller USB 3.0 Expansion Card with UASP / SATA Powered USB 3.0 Adapter Card w/ 2 channels and up to 5 Gbps of bandwidth per channel USB 3.0 PCIe Card with USB Battery Charging Specification 1.2 (Apple Mode device charging only)

Dimensions & Weight
Dimensions	0.59" x 2.17" x 6.57" (W x H x L)
Weight	0.13lb

Additional Information
Date First Available	March 06, 2014

Warranty & Returns

Warranty, Returns, And Additional Information

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Warranty Notice:
This product does not include manufacturer warranty when purchased or used outside of its designated sales region. By purchasing internationally, you acknowledge that warranty support from the manufacturer will not be available.

StarTech PEXUSB3S42V 4 Port Dual Bus PCI Express (PCIe) SuperSpeed USB 3.0 Card Adapter with UASP - SATA/LP4 Power

Learn more about the STARTECH PEXUSB3S42V

Customer Reviews of the STARTECH PEXUSB3S42V

Warranty & Returns

Warranty, Returns, And Additional Information

Return Policies*

Manufacturer Contact Info

Item#: N82E16812400547

StarTech PEXUSB3S42V 4 Port Dual Bus PCI Express (PCIe) SuperSpeed USB 3.0 Card Adapter with UASP - SATA/LP4 Power

Learn more about the STARTECH PEXUSB3S42V

Customer Reviews of the STARTECH PEXUSB3S42V

Warranty & Returns

Warranty, Returns, And Additional Information

Return Policies*

Manufacturer Contact Info