Mid-2010 27" iMac 11,3 Rebuild and upgrades HD

Bay purchase of 27" mid-2010 iMac 11,3 . Video contains GPU upgrade, CPU upgrade, logic board removal, SSD installation, and 802.11 a/b/g/n/ac with bluetooth 4.0 upgrade. This was a beautifully taken care of iMac. Not a scratch or spec of dust internally. It was non-functioning due to failing original HDD.