[NAME]  Please press the blue Accept as Solution button below if this answers your question. Max capacity without Host bus adapter or special drivers is 2TB. There is no limit to drive size only a limit on how much money you have in your wallet. Western Digital used Host Bus Adapter for 3TB and Larger drives in Dell   GX320 620 etc. [URL]   A 160 Gig AND larger is an advanced format drive.  All drives made after 2011 are advanced format.  Advanced format hard drive 512e   error installing windows on advanced format disk specific drivers are needed so that the OS can "see" the hard drive to install on. [URL] This drive specifically is what I use in all model dell computers from GX320 620 745 755 760 780 and up. Even works in new models like XPS 8900 8910 8920 8930 8940, Optiplex 7080 etc. Seagate 2TB 3.5 inch drive The F6 mass storage drivers are not needed when you set the F2 SATA OPERATION to AHCI or Native operation not legacy. Transition to Advanced Format (512e) HDD's. The transition follows the below guidelines: Table 2: Timeline for Phase-in of Advanced Format drives These transitions are applicable across all currently shipping Dell Business Client Notebooks, Desktops and Workstations with two exceptions. [IMAGE] [IMAGE]   [IMAGE]   [IMAGE][IMAGE]        
Hello! In my workplace, there is an old Dell computer.Its model is Optiplex 330DT, it was purchased on year 2007.Its old HDD drive has bad sectors, I decide to replace it with new one.However, the computer does not recognize my own HDD drives.What types and models of HDD drivers, could be recognized by Dell Optiplex 330DT?Could any friends give me suggestions? Thanks!  
Compatible HDD drives with Optiplex 330DT