| Ports | 4 x USB 3.0, external port |
| Bus Interface | 1 x PCI Express 2.0 |
| Data Transfer Rate | 5 Gbps |
| USB Standard | USB 3.0 Type-A, Male USB 2.0 Type-A, Male |
| Peripherals Supported | Industry standard USB 3.0, 2.0, and 1.1 peripherals Bus Powered: HDs, SSDs, DVDs, and Blu-ray devices up to 2A per port |
| Number of Devices Supported | Up to 31 |
| System Requirements | Mac Compatibility: Mac Pro (with card slots) OS X 10.8.5+ OS X El Capitan PC Compatibility: PC desktop (with PCIe slots; PCIe 2.0 slots recommended) Windows 10 Windows 8 Windows 7 Windows Server 2012 Windows Server 2008 Thunderbolt Compatibility: Any Mac or PC with a Thunderbolt or Thunderbolt 2 port and a Thunderbolt-to-PCIe Card Expansion System |
| USB Charging | USB Battery Charging 1.2 Compliant (up to 7.5 W per port) |
| Compliance | RoHS, OHCI (Open Host Controller Interface), EHCI (Enhanced Host Controller Interface), and xHCI (eXtensible Host Controller Interface) |
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The Allegro 4-Port USB 3.0 PCI Express Card from Sonnet is a PCI Express card equipped with four external SuperSpeed USB 3.0 ports, with a PCIe 2.0 bus interface that allows you to take advantage of your computer's fast expansion card slots. This card installs easily into any PCI Express slot that supports a full-height card, and works with all USB-IF compliant USB 3.0 and USB 2.0, peripherals.
