"The Barracuda Green 2 TB is Seagate's first hard drive to use 4 KB sectors instead of 512-byte sectors. The new standard, also known as "Advanced Format" or simply "AF," will be used by all hard drive manufacturers in the future. Let's see what are this new format and the performance of the Barracuda Green 2 TB drive."
Any major computer upgrade generally requires a full software reinstall too. No so if you heed the advice in the guide to Upgrading a Motherboard without Reinstalling. PCSTATS Tips