I paid 81.99. Obviously, the price to be paid a gambling or a lottery similar to what you really need to lie down now because of this. Ultimately, I think the price is appropriate.
Although in the description of the item "no" is compatibility with the new DS2415 + mentioned, I can attest to a 100% functional. The catch lies be used without problems and was recognized immediately. My DS2415 + runs are the with a total of 6GB of RAM.