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Allegro USB 3.0 PCIe
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Driver (2)
Firmware (0)
Manual (2)
FAQ (10)
IDArticle TitlePost Date
523 Does the Sonnet Allegro USB 3.0 PCIe card support the Blackmagic Intensity Shuttle, Pocket UltraScope, and UltraStudio Pro?May-03-11
641 Why is my USB 3.0 card reporting a USB 2.0 connection to a USB 3.0 storage device?Jan-10-12
668 Does my Sonnet USB 3.0 card work with OS X 10.7.5?Sep-04-12
681 Are Sonnet's USB 3.0 cards compatible with OS X 10.8 (Mountain Lion)? Sep-04-12
726 Does the Allegro USB 3.0 card support bus-powered drives? Nov-27-13
732 Do the Sonnet Allegro USB 3.0 cards support Thumb Drives?Oct-24-13
736 When I connect a drive to the Allegro USB 3.0 PCIe card, my Bluetooth mouse gets sluggish or stops working.Mar-27-18
USB 3.0 is known to cause radio frequency interference on 2.4 GHz wireless devices. See USB Frequency Interference. There are several possible solutions:

1) Purchase a USB bluetooth dongle to replace internal bluetooth, connect it via a USB extension cable, and locate it away from the USB 3.0 storage unit. Sonnet has successfully tested this solution with an IOGear Model GBU421WM USB to Bluetooth adapter. You should be able to use any Macintosh-compatible bluetooth adapter.

2) Select a different hard drive case with better shielding.

3) You may try different USB 3.0 cables. A better-shielded, or a shorter, or a longer USB 3.0 cable may solve the issue.

4) Relocate the hard drive to the opposite side of the computer.

5) For the technically inclined, the intel white paper has additional ideas. Have aluminum foil handy.
756 Do the Sonnet USB 2.0 or USB 3.0 cards support the Apple SuperDrive?May-27-15
759 When connected to the Allegro Pro USB 3.0 PCIe, Allegro USB 3.0 4-Port PCIe, Tango 3.0 PCIe, or Tempo Duo PCIe card, my bus-powered USB 2.0 or 3.0 drive or SSD will not reliably mount or transfer data.Jun-24-15
817 USB storage connected to a PCIe USB 2.0, 3.0, 3.1 card (or combo card) gives an macOS error message upon wake from sleep.Dec-02-17

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