I use mittlerweilen 8 pcs. Of these plates. 5 pcs. In NAS, 1 in a workstation and 2 as USB disks. The plates were bought at different times and at different stores and have never had a problem with it. It is extremely powerful (absolute Living proof) and the heat generation can be described as ok, with passive ventilation.
If you need a low-priced mass grave data - absolute buy recommendation.
The complaints from other customers I can not understand easily. As a former IT distributors I have massively sold Toshiba drives or their predecessors and had little complaints with it. What I can not say of other manufacturers.
Oh, one more thing: If it is in the sleep mode, they needed until they awakened a little time from their slumber. But is not so bad, for my purpose.
I hope thus to have given some prospective customers, a good overview of this product.