Sonnet M.2 4x4 PCIe Card (Silent)
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FAQ (11)
IDArticle TitlePost Date
976 In a Mac Pro, the SSDs are seen as external drives, how do I prevent accidental ejects?Feb-14-23
1069 How do I configure RAID under Windows 10?Feb-14-23
1070 Option-boot doesn't function when a bootable Mac OS is installed on an M.2 4x4 PCIe CardMay-22-20
1073 How do I configure RAID under macOS?Feb-14-23
1077 Programming SSDs to 4k Block Size for Compatibility With macOS 10.13.6Feb-08-23
1082 I would like to use double-sided SSDs. How can I do this?Jul-04-20
Here is an guideline for users with some technical skills. Sonnet does not support this modification, but if you are up for it, here you go. Read the complete instructions before starting.

The thermal pad on the M.2 4x4 is pre-installed for single-sided SSDs. If you would like to use double-sided SSDs, you need to make a modification to the cooling system.

1. Remove the thermal pad pre-attached to the PCIe card. (Do not remove the thermal pad pre-attached to the heat sink!)
2. Get some thermal tape that is 20mm wide x 0.25mm thick. This is available on Amazon.
3. Cut four 70mm strips of tape, peel off the bottom covers from the tape, and stick a strip of tape under each M.2 position. This is the correct thickness for the two FLASH memory chips on the back end of the M.2 stick.
4. Peel off the top covers from the tape.
5. Cut four 30mm strips of tape, peel of the bottom covers from the tape, and stick a strip of tape under each M.2 position near the connector end. Two strips stacked is the correct thickness for the SRAM memory chip on the front end the M.2 stick.
6. Peel off the top covers from the tape.
7. Install the SSDs in their sockets and screw them down.

***Warning, the SSDs will be difficult to remove once stuck to the tape.***
If you need to remove and replace the SSDs, remove the SSD from the thermal tape carefully.
 
1087 Can I install macOS 10.15 (Catalina) on a Mac Pro 5,1 using the M.2 4x4 card?May-22-20
You can install Catalina on one SSD on a Sonnet M.2 4x4 card using the instructions outlined in this guide.
 
1122 Thunderbolt 3 NVMe volumes may experience a stop error under Windows 10 version 20H2Feb-14-23
1125 Can I start with one SSD and add more later?Dec-29-20
1136 How can I use my new SSD volume to hold my user folder on macOS?Feb-14-23
1183 The Write performance of my SSD is very slow under Windows.Feb-14-23
The Windows default for any external storage media is for Write Caching policies to be disabled. If you have enabled it, then the write performance to an SSD will be very slow. To get significantly increase write performance, disable Write Caching. For instructions, see this Microsoft Document.