Dell Precision T1600
via ZDNet
The Dell Precision T1600 features Intel Sandy Bridge processors, up to 16GB RAM, dual 2TB 3.5-inch SATA HDDs, and NVIDIA Quadro 2000 or Intel Integrated HD.
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Dell Precision M6500
via Gizmodo
The Dell Precision M6500 can be equipped with up to 32GB RAM and features USB 3, Intel Core i5-520M Dual Core processor, 500GB HDD, DVD burner, NVIDIA Quadro FX 2800M Graphics, and smart card reader.
Dell Precision M4500 Workstation
via Gizmodo
The Dell Precision M4500 Workstation features a 15.6-inch display, Intel Core i5 or Core i7-920XM Quad Core processor options, and optional Nvidia Quadro FX 1800M or Quadro FX 880M graphics.