A used and tested good working Asus N550JV Rev 2.1 PN: 60NB04L0-MB1030(215) Main Board / Mainboard / Motherboard featuring Intel Core i7-4700HQ CPU @2.40Ghz with 8GB (2x4GB PC3-12800S memory), and Nvidia GeForce GTX 850M 2Gb.
This mainboard was removed from Asus N550JK-DS71T laptop.