My Passport 1TB USB 3.0 is disconnecting! Brand new, only used for two days! SOLVED!

I have a STE NEC 2port PCIe USB3.0 and a 1TB WD Passport drive.  I just bough it, and transferred 700GBs worth of video to it last night.  It has since stopped working reliably.  It disconnects after being connected long enough for me to look at the files.  And not nearly long enough to transfer any files back to a different location.

Also, due to the proprietary connectory, there’s no way to use something like a Sharkoon to get to the files.  I’m so upset.  They also don’t sell Power Booster cables for these drives, either!

EDIT:  It’s the power!  There’s not enough power running from the front USB 3.0 ports on my computer. I had to plug it directly into the internal PCIe card, and now, no more disconnects.  This is pretty crazy because the USB 3.0 card is powered by an additional plug from my Corsair 750, so I don’t see how it’s not getting what it needs.

I also don’t understand why I had zero problems with it when I transferred the 700GB files?

This thing really is undependable in that it needs additional power to run properly.  I’m returning this and getting a powered external…I’m pretty sick from dealing with this thing.  Just a nightmare…I was seriously, seriously stressed out by this thing.

This drives need a lot of power to run properly. Is good to know how you solve the issue.

My 1TB Passport is doing the same thing.  The PC is a brand new ASUS G74S monster laptop with one USB 3.0 port.  WD is sending me a new cable, I will report the results here when I get it.

FWIW, I did get a new cable, no change.

Bought  USB 3 Express card adapter for my laptop:

It comes with an additional power cable, taking its power from USB 2 socket. As long as the power cable is plugged in, everything is fine. As soon as I disconnect power cable, endless dropouts to begin.

Updating drivers and firmware is quite useless, its just all about the power.

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