I've brought an SSD and external closure that supports UASP and USB 3.0.
The drive is recognized and the speed is ok. But the drive is recognized as normal hard drive by Windows (8.1). I.e. when I try to optimize the SSD volume it begins to defragment it instead of issuing TRIM command.
My question is what characteristics should an external hdd closure have to have to allow Windows to recognize it as real SSD drive? Is it possible at all with USB 3.0 interface or I need an eSATA interface?
Best Answer
This is what wikipedia says about the Trim command :
Conclusion : TRIM is only for drives connected via IDE and SATA variants, so does not apply to USB.