Refurbished: Dell Precision 7520 Mobile 15.6" Workstation, Quad i7 6920HQ 2.9Ghz, 32GB DDR4, 512GB NVMe M.2, Full HD 1080p, NVIDIA Quadro M2200 4GB, Windows 10 Pro (Grade B) - Newegg.com
Dell Precision 7520 Hard Drive Replacement - iFixit Repair Guide
Amazon.com: Dell Precision 7520 15.6" FHD, Core i7-6820HQ 2.7GHz, 16GB RAM, 512GB Solid State Drive, Windows 10 Pro 64Bit, NO CAM, Touch, Nvidia Quadro M1200 4GB, (Renewed) : Electronics