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PCIe to 4-Port USB 3.0 Expansion Card MCS9990 Chipset, 4 x USB 2.0 Host Controllers, 4-Pin Power, OTG Support, for Desktop & Industrial Systems
- 4 x High-Speed USB 2.0 Ports: Adds four independent USB 2.0 ports via a single PCIe x1 slot, each with dedicated host controller bandwidth for reliable, consistent performance across all connected devices.
- MCS9990 Multi-Function Controller: Powered by the MCS9990 PCI Express to USB 2.0 controller, featuring four integrated EHCI/OHCI host controllers with on-chip transceivers for high-speed (480Mbps), full-speed (12Mbps), and low-speed (1.5Mbps) device support.
- Dual Operating Modes: Supports both USB Host Mode (four standard USB ports) and OTG Mode (two host ports + one OTG port) for flexible deployment in industrial and embedded applications.
- Auxiliary Power via 4-Pin Connector: Includes a 4-pin (large 4PIN) power connector for stable power delivery to connected devices, ensuring reliable operation even with multiple high-power peripherals.
- Hot-Swap & Broad Compatibility: Supports hot-swap functionality for plug-and-play device connection; compatible with Windows, Linux, and other operating systems with native USB driver support.
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Overview
Specs
Reviews
Expand your desktop or industrial system's USB connectivity with this PCIe to 4-Port USB 3.0 Expansion Card. Powered by the MCS9990 multi-function PCI Express to USB controller, this card adds four high-speed USB 2.0 ports, each with its own dedicated host controller, ensuring consistent bandwidth and reliable performance for connected peripheralsideal for industrial automation, embedded systems, and desktop expansion.
MCS9990 Multi-Function Controller
The MCS9990 integrates four USB 2.0 host controllers with on-chip transceivers, providing:
- Dedicated bandwidth per port no sharing between ports
- EHCI (Enhanced Host Controller Interface) for high-speed (480Mbps) devices
- OHCI (Open Host Controller Interface) for full-speed (12Mbps) and low-speed (1.5Mbps) devices
- Hot-swap capability for connecting/disconnecting devices without system shutdown
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
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Return Policies
- This item is covered by StarVelocity Technology Return Policy
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