I bought a slightly used (100 hours) Samsung PM961 NVMe SSD. Then I bought a Vantec external enclosure for it. Since my laptop does not have USB-C ports, I expected the performance to max-out USB 3.0. But no, the performance is worse than an HDD in an external enclosure. And sometimes the SSD acts like an HDD that has gone to sleep, in other words, I see a waiting icon after clicking on a folder/directory. I do not understand this. The poor performance is seen both on Windows 10 and Linux. Here are all the things I could think of:
- The SSD is defective.
- The external enclosure is defective.
- The cable is defective.
- TLC SSDs are super-slow.
- Proper drivers for the OEM SSD were not given to Microsoft and the Linux community, so it's running on generic drivers
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