Mac Pro 2010/12 5, 1 A1289 CPU tray 2.8GHz QCCore Intel XEON +16GB Ram 820-2492A
You are buying an genuine Apple CPU tray 820-2482-A with 1 x Quad Core 2.80Ghz Xeon processor and 16Gb Ram for Apple Mac Pro A1289 2010 to 2012 5, 1 as shown in pictures. As far as I know it fits 2010-2012 models.