LCD Screen Assembly A1419 5K for iMac27' Retina Display LM270QQ1 SDC1 EMC2834 2806 3070
• iMac17,1 Retina 5K Late 2015: MK462LL/A (3.2 GHz Core i5)
• iMac17,1 Retina 5K Late 2015: MK482LL/A (3.3 GHz Core i5)
• iMac17,1 Retina 5K Late 2015: MK482LL/A (4.0 GHz Core i7)
A Plus/A+ grade: No defect on the screen.Unused,Perfect function.Direct from manufacturer 100% tested and compatible.
A- grade:98% new look, Unused. Perfect function. The same 5K resolution as the brand new one. There are tiny scratches on glass edge from production which are unnoticeble and will be invisible when it's working.
B grade: No cosmetic defect,function well.There are little bright pixels just appear during computer startup and will disappear when it enter the system,not affect when working.A bit lower resolution:3840X2160.