This file should work just fine for w2k8 r2 x64, just download to your system and run from within Windows www.dell.com/.../DriverDetails
He all; I need to update à perc 6/i controleur on T300 server. I have never do it, i try with "Dell systems Buil and update Utility", but when i choise my usb key i have a error message : the space storage of server update utility (SUU) on usb key is in bad format, impossible to continue... What format should it?  why this message?  juste unzip firmware files on usb?  PS sorry for my english i'm French :emotion-1: thanks for your help Regards FD. 
T300 PERC 6/I update error