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STARTECH
Item#:
9SIA5SCKW26451
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Compute4Less Corp
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StarTech PEXUSB3S42V 4 Port Dual Bus PCI Express (PCIe) SuperSpeed USB 3.0 Card Adapter with UASP - SATA/LP4 Power
(59)
Write a Review
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)
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Overview
Specs
Reviews
(59)
Add four USB 3.0 ports with four independent channels, LP/SATA power, and chargi
Learn more about the STARTECH PEXUSB3S42V
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
First Listed on Newegg
May 06, 2026
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STARTECH PEXUSB3S42V
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Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
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Return Policies
Return for refund within: 30 days
Return for replacement within: 30 days
This item is covered by
Compute4Less Corp Return Policy
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