SIIG SuperSpeed USB 3.0 PCIe Card, 4-Port Adapter with 5Gbps Channels, UASP Support, Quad Core, Low Profile PCIe Design, RoHS Compliant - JU-P40811-S1 (2 Year Warranty)

SIIG 4-port USB 3.0 PCIe expansion card showing four USB ports and heatsink-alternate-image1
Top-down view of SIIG USB 3.0 PCIe card showing circuit board layout and heatsink-alternate-image2
Angled view of SIIG USB 3.0 PCIe card highlighting build quality-alternate-image3
Perspective view of SIIG USB 3.0 PCIe card showing port arrangement-alternate-image4
SIIG USB 3.0 PCIe card installed in a computer system-alternate-image5
SIIG USB 3.0 PCIe card retail package with included accessories-alternate-image6

SIIG SuperSpeed USB 3.0 PCIe Card, 4-Port Adapter with 5Gbps Channels, UASP Support, Quad Core, Low Profile PCIe Design, RoHS Compliant - JU-P40811-S1 (2 Year Warranty)

SIIG JU-P40811-S1

$624.00 $946.00 Save $322
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Availability: In stock , ready to be shipped .
  • Free Shipping
  • 2 Year Warranty
  • 30 Day Returns
  • Carbon Neutral

Host Interface:

  • PCI Express 2.0
  • PCI Express 2.0 x4
  • PCI Express 2.0 x1

Product Key Features

  • 🚀 4x USB 3.0 ports with 5Gbps speed per channel (20Gbps total bandwidth)
  • 💻 PCIe 2.0 x4 interface with Renesas uPD720202 chipset
  • ⚡ UASP support for enhanced data transfer (Windows 8/10)
  • 🛡️ Independent over-current protection on each port
  • 📏 Low-profile bracket included for compact systems
  • ⚙️ Supports all USB speeds (1.5Mbps to 5Gbps)
  • ✨ Intel xHCI Specification 1.0 compliant
  • 🔋 PCI Bus Power Management 1.2 compatible
  • 🏢 2-year warranty coverage
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  • Description
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  • Refund Policy

SIIG

JU-P40811-S1

SIIG 4-Port SuperSpeed USB 3.0 PCIe Card with 5Gbps Transfer Speed

Upgrade your desktop PC with lightning-fast USB 3.0 connectivity using the SIIG JU-P40811-S1 PCIe card. This high-performance adapter features four independent SuperSpeed USB 3.0 ports, each capable of delivering up to 5Gbps data transfer speeds, for a total bandwidth of 20Gbps.

Advanced USB 3.0 Performance Features

  • Powered by premium Renesas uPD720202 chipset for reliable performance
  • Supports multiple data rates: SuperSpeed (5Gbps), High-speed (480 Mbps), Full-speed (12Mbps), and Low-speed (1.5 Mbps)
  • UASP support for enhanced data transfer in Windows 10 and 8
  • PCIe 2.0 compliant with xHCI Specification Revision 1.0

Professional-Grade Design and Protection

  • Low-profile bracket included for compatibility with compact PC cases
  • Independent over-current protection on each USB port
  • PCI Bus Power Management Interface Specification 1.2 compliant
  • Compact dimensions: 5.9" x 3.2" x 0.8"

Package Contents and Warranty

What's in the Box:

  • 4-Port SuperSpeed USB 3.0 PCIe Card - Quad Core
  • Driver CD for easy installation
  • Quick Start Guide

Backed by SIIG's 2-year limited warranty for peace of mind

Return Policy

Time to Return

Standard Return Policy

We offer a hassle-free 30-day returns policy for domestic (US) orders, excluding non-refundable items. Refund or Replacement within 30 days of the delivery date. All products that fall under the Standard Return Policy qualify for our 30-Day Hassle-Free Returns. Please see the section above for more details.

Replacement Only Return Policy

Replacement within 30 days of the delivery date.

Manufacturer Only Return Policy

Covered by the manufacturer's warranty. Please refer to the terms and conditions for the manufacturer's warranty or contact the manufacturer.

Holiday Extended Return Policies

Extended Holiday Return Policy.

Qualifying purchases of products displaying the " Extended Holiday Return Policy ", from November 1st, 2023 to December 25, 2023, are eligible for a Refund or Replacement until January 31, 2024.


Extended Holiday Replacement-Only Return Policy

Qualifying purchases of products displaying the " Extended Holiday Replacement-Only Return Policy ", from November 1st, 2023 to December 25, 2023, are eligible for a Replacement until January 31, 2024.

SIIG 4-port USB 3.0 PCIe expansion card showing four USB ports and heatsink

Lightning-Fast 5Gbps Per Port Performance

The PCIe card's quad-core architecture delivers exceptional data throughput with four independent USB 3.0 ports. Each port harnesses 5Gbps transfer speeds, enabling simultaneous high-bandwidth connections for external drives, cameras, and other demanding peripherals. The Renesas uPD720202 chipset ensures reliable performance and compatibility.

Technical Specifications

  • Independent 5Gbps channels per port
  • PCIe 2.0 x4 interface
  • Renesas uPD720202 controller chipset

Applications

  • High-speed external storage arrays
  • Multi-camera video capture systems
  • Industrial automation equipment
Top-down view of SIIG USB 3.0 PCIe card showing circuit board layout and heatsink

Advanced Thermal Management Design

Engineered with strategic component placement and an efficient heatsink, this PCIe card maintains optimal operating temperatures even under heavy workloads. The black aluminum heatsink provides passive cooling while the board layout ensures proper airflow distribution.

Technical Specifications

  • Aluminum heatsink for passive cooling
  • Optimized component placement
  • Over-current protection per port

Applications

  • 24/7 operation environments
  • Data center installations
  • Professional workstations
Angled view of SIIG USB 3.0 PCIe card highlighting build quality

Enterprise-Grade Build Quality

Built with industrial-grade components and robust engineering, this PCIe card delivers reliable performance in demanding environments. The high-quality PCB design and premium capacitors ensure signal integrity and long-term durability.

Technical Specifications

  • Multi-layer PCB design
  • Premium Japanese capacitors
  • Gold-plated PCIe interface

Applications

  • Mission-critical systems
  • Manufacturing environments
  • Professional media production
Perspective view of SIIG USB 3.0 PCIe card showing port arrangement

Flexible Integration Options

The dual-profile design accommodates both standard and low-profile cases, making it ideal for various system configurations. The included bracket ensures compatibility with compact workstations without compromising functionality.

Technical Specifications

  • Dual-profile mounting options
  • Standard and low-profile brackets included
  • Universal PCIe compatibility

Applications

  • Small form factor workstations
  • Rack-mounted servers
  • Custom system builds
SIIG USB 3.0 PCIe card installed in a computer system

Seamless System Integration

Shown installed in a motherboard environment, demonstrating the card's perfect fit with standard PC architecture. The USB ports align precisely with the case cutout, while the PCIe interface ensures optimal data throughput.

Technical Specifications

  • Tool-free installation
  • Native BIOS compatibility
  • Hot-swap support

Applications

  • System upgrades
  • Workstation builds
  • Server expansions
SIIG USB 3.0 PCIe card retail package with included accessories

Complete Installation Package

Everything needed for immediate deployment comes in the box, including the PCIe card, driver CD, quick start guide, and both mounting brackets. The comprehensive package ensures a smooth setup process.

Technical Specifications

  • Windows and Linux compatible drivers
  • Comprehensive documentation
  • RoHS compliant materials

Applications

  • IT department deployments
  • System integrator installations
  • Professional upgrades
FAQ
The SIIG JU-P40811-S1 features four independent SuperSpeed USB 3.0 Type-A ports, each delivering up to 5Gbps data transfer speed for a total bandwidth of 20Gbps. It uses the high-performance Renesas uPD720202 chipset, supports UASP mode for enhanced data transfer, and includes PCIe 2.0 compliance. The card comes with independent over-current protection for each port and includes a low-profile bracket for compatibility with smaller form factor systems.
This PCIe card supports multiple USB data transfer speeds: Super-speed (5Gbps), High-speed (480 Mbps), Full-speed (12Mbps), and Low-speed (1.5 Mbps). Each of the four USB 3.0 ports can deliver up to 5Gbps independently, providing a total theoretical bandwidth of up to 20Gbps across all ports.
Yes, the card is compatible with Windows 10 and takes full advantage of UASP mode through Windows 10's embedded drivers. UASP (USB Attached SCSI Protocol) provides enhanced data transfer performance compared to traditional USB protocols, making it ideal for high-speed data transfers with compatible devices.
The card measures 5.9" in width, 3.2" in depth, and 0.8" in height, weighing approximately 2.40 oz. It requires a PCI Express 2.0 x4 slot for installation and comes with both standard and low-profile brackets to accommodate different PC case form factors.
The package includes the 4-Port SuperSpeed USB 3.0 PCIe Card, a driver CD for installation, and a Quick Start Guide. It also comes with a low-profile bracket for installation in smaller form factor systems.
The card features independent over-current protection for each USB port, protecting both connected devices and the board itself from power spikes. It's also environmentally certified with WEEE and RoHS compliance, ensuring it meets environmental safety standards. Additionally, it supports PCI Bus Power Management Interface Specification Revision 1.2 for efficient power handling.
The SIIG JU-P40811-S1 USB 3.0 PCIe Card comes with a 2-year limited warranty, providing coverage against manufacturing defects and ensuring customer peace of mind with their purchase.
Yes, this card supports UASP (USB Attached SCSI Protocol) mode when used with Windows 10 and 8 embedded drivers. UASP enables faster data transfers, improved queue management, and better overall performance compared to traditional USB protocols. This feature is particularly beneficial when using external SSDs or high-speed storage devices.

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