Logic board ,used, 820-3787, for MacBook Pro 15.4 Mid 2014 A1398
PN : 820-3787-A
CPU: 2.5GHz max 3.7 GHz Core i7 (4870HQ)
RAM: 16GB
GPU : NVIDIA GeForce GT 750M (2GB) + Intel Iris Pro 5200
warranty 12 months