Not bad, I recently purchased this HDD off amazon and followed the instructional video in the sidebar. Took all of 20 minutes for the physical install. The data transfer of saved games took around 3 hours.

Seagate 2TB Laptop HDD SATA 6Gb/s 32MB Cache 2.5-Inch Internal Bare Drive (ST2000LM003) https://www.amazon.com/dp/B00MPWYLHO/ref=cm_sw_r_cp_awd_huXWwb2HR7AQD