The very fast one was new $4028 from Apple, Apple pre-owned sale price was $2000 at a 50 percent reduction from new price and included all accessories, 16 MB Ram, 12 core, CPM, 19 Core GPU, Studio Display 27 inch monitor, 5120 pixel/per inch by 2380 pixel per inch, Bright ness 600 nits Does this answer your Question?