iMac 21.5 Late 2015 Model A1418, originally first purchased in Feb 2017. OS 10.12.6 Probably SATA HD NB: No Keyboard, no mouse, no box Used, in excellent condition with original power cable, but without a mouse and without a keyboard. Probably the base model whatever that was. Ie the cheapest model at the time with least memory. Selling as was unable to update Safari possibly as no longer supported on this model.
eBay