Price: as of () Add Four Powerful 5Gb/s SuperSpeed USB 3.0 Ports-Each with its Own Dedicated Controller Do you frequently need to hook up multiple USB 3.0 drives for fast backups and drive-to-drive duplication? What is the best photoshop program. If you are looking for the best possible performance, install the Allegro™ Pro USB 3.0 PCIe adapter in your Mac Pro® tower, Windows® PC, or Thunderbolt™ 2-to-PCIe card expansion system. This pro Sonnet card adds four SuperSpeed USB 3.0 ports to your computer, but unlike conventional adapter cards, each port has its own controller. Instead of sharing a single controller's bandwidth, each port gets its own, enabling the Allegro Pro card to support aggregate transfer speeds of up to 1,800 MB/s (450 MB/s per port)! The Allegro Pro USB 3.0 PCIe card features a PCIe 2.0 x4 bus interface to take advantage of one of your computer's fast expansion card slots. This card installs easily into any x4 PCI Express® (PCIe) slot that supports a full-height card, features hot-pluggable and hot-swappable device connection support with automatic device configuration, and works with all USB-IF compliant USB 3.0 and USB 2.0 peripherals.

The Allegro USB 3.0 4-Port card is ideal for use in any Thunderbolt to PCIe card expansion chassis, including one of Sonnet’s Echo Express™ or xMac™ Thunderbolt 2-to-PCI Express card expansion systems, offering full performance wherever you install it—now you can add SuperSpeed USB 3.0 charging connections any Mac with a Thunderbolt port. The card is an a Rosewill 4-Port USB 3.0 PCI Express Card model RC-508, chipset: Renesas uPD720201, run-in High Sierra on a 2010 Mac Pro tower.