Hi,   Yes, PERC6/i does support 2Tb size drive. Though, there are some users have error when not using Dell certified drives. Just in case if you need a Dell part number, 0H6GP would be 2TB SATA-ES, 7.2K, 3.5, Hiatachi Jupiter.   Let me know if you have any questions.
Dear friendsServer DELL PowerEdge 2950 III PERC 6/i can support 2Tb 7.2K SAS 3.5?Hitachi HUS724020ALS640Thanks
DELL PowerEdge 2950 III PERC 6/i can support 2Tb?