Raise your budget a little bit, you can get a Lenovo mobile workstation, P50 (i7-6700HQ, 8GBx1 (supports up to 16GBx4), IPS FHD (Quadro M1000M), 500GB 7200 rpm (supports 1x 2.5"HDD/SSD and 2x M.2. SSD), 3 years warranty). A bit more, a HP ZBook 15 G3 (i7-6700HQ, 8GBx1 (supports up to 16GBx4), IPS FHD (Quadro M1000M), 1TB 5400 rpm (supports 1x 2.5"HDD/SSD and 1x M.2. SSD) is also a great choice. You will not regret.