Dell Precision M4500 Intel Core™ i7-820QM | 12GB | 128GB SSD | 15.6" HD | Nvidia Quadro FX 880M | Display Port | e-SATA | VGA | Fire Wire (1398) | Windows 7 Professional | 224-8093

Dell Precision M6600 Quad Core-i7 2.4 GHz | 32GB | 256GB + 750GB | 17.3" HD+ (1600 X 900) | NVIDIA Quadro 3000M | HDMI | e-SATA | DP | SD/SC | AGP | RJ45 | Windows 7 Professional | 225-0379

Dell Precision M4500 Intel Core™ i7-840QM | 8GB | 320GB | 15.6" HD | Nvidia Quadro FX 880M | Display Port | e-SATA | VGA | Fire Wire (1398) | Windows 7 Professional

Dell Precision 7520 Intel Quad Core i7-6820HQ | 32GB | 500GB | 15.6" UHD 4K (3840 x 2160) | 2GB RADEON PRO WX 4130 DDR5 GPU | 210-AKKD