Lenovo ThinkPad W541 20EF0016AU 15.5'' 3K IPS; NVIDIA Quadro K2100M Graphics (2GB); Bluetooth; Fingerprint reader; Integrated 720p HD Camera; Intel Corei7-4910MQ Processor (8M Cache; up to 3.90GHz); 16GB (8GBx2) 1600MHz DDR3; RAID 0 1TB / 5400rpm (1TB x2pcs); Raid Bay Adapter Swap; Intel Dual Band Wireless-AC 7260 (2x2; 802.11ac/a/b/g/n); Integrated Mobile Broadband 4G LTE (Sierra EM7345); Smart Card Reader; ThinkPad Precision Backlit Keyboard/Number Pad; Windows 7 Professional 64bit with Win 8.1 Coupon; 9 Cell battery; 3 Year Depot