It has Two 3.06 GHz Six-Core Intel Xeon “Westmere” (12 cores) 64GB 1333 MHz DDR3 ECC SDRAM (8 x 8GB) 1TB HDD with your OS of choice (select from anything 10.6 up to 10.11) ATI Radeon 5770 1GB (includes 2 x Mini DisplayPorts and 1 x Dual-Link DVI port) One 18x SuperDrives OS X 10.11 El Capitan or OS of Choice! Wifi/Bluetooth standard. For $1600. Currently I have Macbook pro 2013 late full upgraded version but it always overheating if I use photoshop and lightroom. Playing games such as SC2 is almost impossible in 60FPS. Well, all I need is the performance of desktop computer with better cooling system. Few things I might worry about are USB 3 and Thunderbolt 2 ports Recent OS X(El capitan is fine) Limited features for older Mac pro Compatible upgrade parts Mini display port for my current monitor(BenQ SW2700) Do you think it is worth enough than iMac 5k full upgraded version?