Mac Pro 15” new price

Older Mac Pro with redone optical drive with warranty. Having read and write onto a disc(4.5 gb) is really nice and handy. Play all your CD s on this unit. New ssd memory 240 gb.Fresh high Sierra o.s. Nice. I paid 535$ but want to update to new model. I got paperwork to show you. Refurbished by blue max comp. this will last many years. .TRADES? Unit is 2011 models with new upgrades as above. Intel 3000 graphics 512 mb, 8 go ddr3 ram, 2.4 gb of i7 processor. Battery cycle count 257. These up to date machines will last another 10 years. I just got a new iPad so don’t need this computer. Trades? Offers. Almost free for the right person in need ( student ?)Must go!