I have need to connect a large drive (1TB at least) via USB 3 (including a USB 3 hub) in a situation that requires maximum durability under heavy write load for extended periods of time. I was hoping to get some recommendations for products/brands to look at.

The current setup is:

  • Samsung 850 EVO SSD inside
  • PNY 2.5" USB3 enclosure connected via
  • Some generic USB3 hub

I would love any recommendations for changing any part of this setup. At the moment something (I suspect the USB3 enclosure controller, but I'm still testing) is failing causing the drive to unmount after about 2min of sustained heavy writes. The 850 EVO is fine under this workload by itself.

I realise that a USB3 interface and a USB3 hub are non-ideal, but I am stuck with a machine that has only as a single USB3 port and no SATA/etc. I cannot change the machine.

  • Have you checked the power settings to make sure that Windows doesn't cut off power to the USB port when it detects idle behavior? By default, it does this on many machines, and that may be your actual problem. Windows is terrible at detecting whether or not the connected device is actually idle. – CDove May 10 '18 at 12:28
  • @CDove thanks, but this is on Linux and the power supply is stable – JMAA May 10 '18 at 13:00
  • Check bios too. One of my boards sleeps the USB ports when idle as a setting. – CDove May 10 '18 at 13:07
  • Have you considered a M.2 SSD with USB 3 adapter? – cybernard May 13 '18 at 20:50
  • Does you machine have pcie slots? Add-on cards for SATA and USB do exist. – cybernard May 13 '18 at 20:51

how about this: https://www.amazon.com/Inateck-Enclosure-Supported-Tool-Free-FE2007/dp/B00T2ODFCU/ref=sr_1_1?ie=UTF8&qid=1518966488&sr=8-1&keywords=Inateck+FE2007

it is a 2.5" USB 3 drive enclosure with three full-sized USB 3 ports (enclosure and USB hub in one device). it is made by a company that specializes in USB enclosures so it seems very unlikely for them to repeat whatever engineering mistake that makers of your "generic USB hub" had made.

P.S. did you try to run your setup with some other PC or laptop to ensure that USB hub is to be blamed rather than your laptop?

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  • Looks good, just trying to find if I can find a seller in the UK – JMAA May 15 '18 at 11:13

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