Orders placed after 4PM on weekdays will not ship until the next business day. Orders placed after 11AM Fridays will not ship until the following Monday.
Faster shipping methods may be available; just upgrade during checkout.
*Some exclusions apply.
Enter new zip code to refresh estimated delivery time.
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, each with its own controller. Each port gets its own bandwidth, enabling transfer speeds of up to 1,800 MB/s (450 MB/s per port). This card features a PCIe interface, allowing you to take advantage of your computer's fast expansion card slots. It installs easily into any 4 x PCI Express slot that supports a full-height card, and works with all USB-IF compliant USB 3.0 and USB 2.0, peripherals.
Supports hot-pluggable and hot-swappable device connection-plug in and disconnect peripherals without shutting off your computer
Quick and easy installation into any available PCIe slot
USB attached SCSI protocol supported under OS X 10.8.5+ and Windows 8.1+
Optimized for Thunderbolt - Provides maximum performance over Thunderbolt
In the Box
Sonnet USB3-PRO-4PM-E Allegro Pro 4-Port USB 3.0 PCI Express Card
Limited 5-Year Warranty
Table of Contents
4 x USB 3.0, external port
4 x PCI Express 2.0
Data Transfer Rate
USB 3.0 Type-A, Male USB 2.0 Type-A, Male
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
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 2-to-PCIe Card Expansion System
USB Battery Charging 1.2 Compliant (up to 7.5 W per port)