Hi guys, Ive bought a Mac Pro 2009 with 2x2,93 Ghz Quad Core processors. There are 8 Gigabyte of ram installed. Can you guys tell me, if those are correct pairs of ram? Two of them say 2rx8 pc3 10600r and the other two say 2rx8 pc3 8500r. This seems to be a little odd to me. Thanks!