Dell Precision 5520 Intel Core i7-7820HQ up to 3.90 GHz | 16GB | 512GB NVMe | 15.6" UltraSharp FHD IPS | Nvidia Quadro P1000 4GB DDR5 | HDMI | Thunderbolt Type-C | Windows 10 Pro

Dell Precision 3520 Quad Core i7-7700HQ | 32GB | 512GB SSD | 15.6" FHD IPS Touch | Nvidia Quadro M620 2GB GDDR5 | USB-C | SIM CARD | SD CARD | VGA | HDMI | 210-AKNL

Dell Precision M6600 Quad Core-i7-2720QM UP TO 3.30 GHz | 16GB | 320GB X2 | 17.3" UltraSharp FHD | NVIDIA Quadro 3000M | HDMI | e-SATA | DP | SD/SC | AGP | RJ45 | Windows 7 Professional | 225-0379

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