Allegro Pro 4 USB 3.2 Gen 2 Type-C PCIe Card (USB3C-4PM-E)
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FAQ (11)
IDArticle TitlePost Date
756 Do the Sonnet USB 2.0 or USB 3 cards support the Apple SuperDrive?Apr-02-22
759 My bus-powered USB 3 drive or SSD will not reliably mount or transfer data.Dec-14-19
817 Storage connected to a USB 3 PCIe card (or Tango combo card) gives an macOS error message upon wake from sleep.May-12-20
To minimize power usage during sleep, power is removed from PCIe cards. Because of this power-saving specification, a USB 3 PCIe card is unable to maintain USB port power during sleep. In macOS, this result in a storage device disconnect upon wake from sleep. The storage device will automatically remount, but the system reports a disconnect message. Because macOS flushes all caches before sleeping, this disconnect should never result in any loss of data.
 
933 What versions of macOS support Allegro USB 3 cards?Apr-02-22
956 What generations of Thunderbolt chassis do Sonnet Allegro PCIe cards support?Apr-02-22
971 One or more of my ports has stopped working on my USB 3 card.Aug-24-22
1080 What is the difference between USB 3.0, 3.1 and 3.2?Apr-02-22
1099 What makes Sonnet USB 3.2 Cards more reliable than other USB 3 cards?Apr-02-22
1144 Why does Sonnet use only PCIe 2 to connect the two controllers on these 4-port USB 3.2 Gen 2 cards?Apr-18-21
1149 How to configure Linux to use Allegro Pro USB card models USB3C-4PM-E and USB3-PRO-4P10-EMay-04-21
1168 If I put a usb 2.0 and 3.0 device on the same controller will the speeds for the 3.0 device drop to 2.0 like older split-port controllers?Dec-07-21