![Allegro USB 3.2 Gen 2 Type-C PCIe Card (USB3C-2PM-E)](https://www.sonnettech.com/support/images/knowledgebase/tn_usb3c-2pm-e_bnr.png)
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Please click the arrow next to the category to expand or collapse: | ![](/support/kb/images/collapse.png) | Driver (1) | | ID | | Download Title | Download Link | Post Date |
977 |
| Allegro USB 3.2 (3.1) Gen 2 (10Gbps) PCIe Driver for Windows 7 1.16.59.1 | | Jun-11-2020 | | Operating System Requirements: Windows 7 (32-bit), Windows 7 (64-bit), Windows Server 2008 R2 (64-bit) Description: Installation of this software provides support for Sonnet's Allegro USB-C PCIe, Allegro USB-C 4-Port PCIe, Allegro Pro Type-A USB 3.2 PCIe and Fusion Dual 2.5" SSD RAID PCIe cards in computers running Windows 7, Windows 7 x64 Edition, and Windows Server 2008 R2 x64.
This driver does not support Windows 8.1 or Windows 10, which have inbox drivers for these cards. | | |
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![](/support/kb/images/collapse.png) | FAQ (9) | | ID | | Article Title | Post Date |
756 |
| Do the Sonnet USB 2.0 or USB 3 cards support the Apple SuperDrive? | Apr-02-22 | | None of Sonnet's Cards with USB 2.0 or USB 3 (either Type A or Type C) ports support the Apple SuperDrive. You must use a built-in USB 2.0 or 3.0 port on your Mac.
According to http://support.apple.com/kb/HT5630, "The Apple USB SuperDrive is compatible with Mac models from 2008 and later that don't have a built-in optical drive." | |
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 |
933 |
| What versions of macOS support Allegro USB 3 cards? | Apr-02-22 | | All Sonnet Allegro (and Fusion Dual 2.5" SSD RAID) PCIe Cards use a macOS pre-installed driver.
These cards are compatible with macOS 10.10 in the MacPro 3,1; 4,1 & 5,1 and in Thunderbolt 2 Expansion chassis.
These cards are not compatible with macOS 10.11, due to a bug in the Apple driver.
These cards are compatible with macOS 10.12 (2)-10.14 in the MacPro 5,1 and in Thunderbolt 2 & 3 Expansion chassis.
These cards are compatible with macOS 10.15-macOS 12 in the 2019 Mac Pro and in Thunderbolt 2 & 3 Expansion chassis.
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Notes:
- These cards are not compatible with Thunderbolt 1 expansion chassis.
- macOS 10.12 erroneously reports a 5Gbps connection when connected at 10Gbps.
- The maximum Apple-supported OS for the Mac Pro 3,1 and 4,1 is OS X 10.11. Dosdude1 offers patchers to allow installation of newer versions of macOS. The Apple USB 3 driver in these patched newer versions will support the Allegro cards.
- Performance of the Allegro cards may be limited by the Mac Pro 5,1 PCIe 2.0 bandwidth.
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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 |
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 | |
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