PCMag Shop has the Off-Lease Refurbished HP ZBook 15 15.6" Intel Core i7-4800QM Workstation Laptop w/ 16GB RAM, 240GB SSD and Nvidia Quadro K1100M GPU, for a low $476.99 Free Shipping after Code: "PCMAG10". with 1 Year CNB Computers Warranty. This is normally $700, so you save 24% off list price.
15.6" 1920x1080 LED-Backlit Anti-Glare Display
Intel Core i7-4800MQ 2.7GHz (Turbo Boost up to 3.70GHz) Quad Core Processor
16GB RAM, 240GB SSD, DVDRW
Windows 10 Pro 64 Bit; Graphics: Nvidia Quadro M600M