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#21
It will definitely support the 2tb.
As to the 3tb, plug it in BEFORE you turn on the pc. Start up and enter BIOS and see if it is recognized.
You should download and print out the manual. Info will be in there on many things you may want to decide about.
If all is well, remember to never just pull it out while the machine is on. Either do a proper dismount or wait until you shut down.