I purchased hard disc for my security camera, it's a good product, no problems yet.

Happy with it and no problems even though mine is a factory refurbished unit.

no problems here works as expected must format before use.

Great hard drive no problems with any I have installed yet

Works well, no problems at all

We had another drive on hand to confirm that it was not a problem with the DVR and this other identical drive worked fine in the same DVR.

Great hard drive no problems with any I have installed yet

Works great no problems.

Works excellent , no problems, been using these drives for years now

Works just fine no problems so far

Did not work out of the box...but no problem with return...