Used - Very Good: Dell m6500 precision work station laptop-i5 m560 2.67ghz-8gb ram-320ghz hard drive-windows 7 pro 64bit-display 1440x900-Ati fire pro m7820 graphics-dvdrw-good battery - Newegg.com
Dell Precision M4500 mobile workstation delivers Core i5 CPU, Nvidia Quadro FX 880M graphics starting at $1,549 | ZDNET
Dell Precision M6500 gets upgraded with USB 3.0, Core i5 options | Engadget
Dell Precision M6500 Intel Core i5 CPU M 520 @ 2.40GHz, 4 GB RAM, 320 GB HDD with Microsoft Windows 10 Professional and Microsoft Office 2010 Home & Business.