Which brake disc on the V8 for the rear?

Hello, everybody.

Does this brake disc fit the rear brake on the V8?

<a href="http://www.bramen.com/shop/articles selection.php?kat=00082&Her=127&Car=1348&axis=back axle" target="_blank">http://www.bramen.com/shop/articles selection.php?kat=00082&Her=127&Car=1348&axis=back axle</a>

or do I have to take these?

http://cgi.ebay.de/EBC-HA brake discs AUDI-V8-3-6-UFO-Disc-D606_W0QQitemZ140356504091QQcmdZViewItemQQptZCar parts_Tobeh%C3%B6r?hash=item20ade64a1b


Thank you + greeting