Hello, I would like to upgrade my Optiplex GX280 hard drive. Can I replace the original one by a new 1T?
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Use the hardrive manufacturer's software to prep it. I use maxblast 5.0 (a free download) to prep and clone my drives. If you buy a retail boxed drive, then it should come with some software for cloning. If not, try the maxblast.
Should be ok to put in a 1TB, just make sure you run it in SATA-150 mode.