Dell Technologies

Processor: 4th Generation Intel® CoreTM up to i7 processors
Ram: DDR3L SDRAM 1600MHz; 2 slots supporting up to 16GB
VGA: Intel® Integrated HD Graphics 4400; Optional NVIDIA GeForce GT 720M 2GB Graphics.
Processor: 4th Generation Intel® CoreTM up to i7 processors
Ram: DDR3L SDRAM 1600MHz; 2 slots supporting up to 16GB
VGA: Intel® Integrated HD Graphics 4400; Optional NVIDIA GeForce GT 720M 2GB Graphics.
Processor: 4th Generation Intel® CoreTM processors up to i7
Ram: DDR3 SDRAM 1600MHz 2 slots supporting 1G, 2G, 4GB, 8GB DIMMs
VGA: Intel® Integrated HD Graphics up to 4400
Processor: 4th Generation Intel® CoreTM processors up to i7
Ram: DDR3 SDRAM 1600MHz 2 slots supporting 1G, 2G, 4GB, 8GB DIMMs
VGA: Intel® Integrated HD Graphics up to 4400
Processor: Intel® Core™ i3, i5 and i7 processors up to i7-37x0QM
Ram: DDR3 SDRAM (1333 MHz or 1600MHz ) 2 slots supporting 2G, 4GB, 8GB DIMMs
VGA: Intel®HD Graphics 4000 (for Intel Core i3/i5/i7 3xxxM processors); Intel ® HD Graphics 3000 (for Intel Core i3 processors) ; NVIDIA® NVS™ 5200M (GDDR5 1GB) Discrete Graphic with Optimus
Processor: Intel®Core™ i5 and i7 Dual Core processors
Ram: Up to 8GB DDR3 SDRAM (1333 MHz); 2 slots supporting 1G, 2G or 4GB DIMMs
VGA: Intel® HD Graphics 3000 NVIDIA®NVS™4200M discrete graphics (512MB DDR3)
Processor: Intel CoreTM 2 Duo SU7300 (1.3GHz, 3MB L2 cache) (Ultra Low Voltage) Intel® CoreTM 2 Solo SU3500 (1.4GHz, 3MB L2 cache) (Ultra Low Voltage) Intel® Celeron 743 (1.2GHz, 1MB L2 cache) (Ultra Low Voltage)
Ram: DDR3 SDRAM (1066 MHz) one slot supporting 4GB DIMM
Processor: Intel® Core i3, i5 and i7 processors up to i7-6x0M
Ram: DDR3 SDRAM (1333 MHz) 2 slots supporting 1G, 2G or 4GB DIMMs
VGA: Intel® HD Graphics 3000
Processor: One or two; Intel Xeon processor E5-2600 family with up to eight cores and Intel Advanced Vector Extensions, Intel Trusted Execution Technology, Intel AES New instructions, Optimized Intel Turbo Boost and optional Intel vPro™ technology
Ram: Quad channel; up to 256GB 1600MHz ECC RDIMM memory; 16 DIMM slots (8 per processor); (up to 512GB coming soon).
VGA: High End 3D: NVIDIA® Quadro® K5000. Mid-range 3D AMD FirePro™ W5000 NVIDIA Quadro K4000 NVIDIA Quadro K2000. Entry 3D NVIDIA Quadro K600. Professional 2D (not ISV certified) AMD FirePro 2270 NVIDIA Quadro NVS™ 510 NVIDIA Quadro NVS 310
Processor: Intel® Xeon® processor E3-1200 v3 product family or future 4th gen Intel® Core processors, formerly codename Haswell.
Ram: Up to 32GB 1600MHz ECC; up to 16GB 1600MHz non-ECC DDR3 memory; 4 DIMM slots
VGA: AMD FirePro W5000 NVIDIA® Quadro® K4000 NVIDIA Quadro K2000 AMD FirePro V4900 NVIDIA Quadro K600 AMD FirePro 2270 Intel HD Graphics P4600/4600 NVIDIA Quadro NVS™ 510 NVIDIA Quadro NVS 310
Processor: Intel® Xeon processor E5-1600 v2 with up to six cores and Intel Advanced Vector Extensions, Intel Trusted Execution Technology, Intel AES New instructions, Optimized Intel Turbo Boost and optional Intel vPro™ technology.
Ram: Quad channel; Up to 128GB 1866MHz ECC or 1600MHz non-ECC DDR3 memory; 8 DIMM slots.
VGA: AMD FirePro™ W7000 AMD FirePro W5000 NVIDIA® Quadro® K4000 NVIDIA Quadro K2000 AMD FirePro V4900 NVIDIA Quadro K600 AMD FirePro 2270 Intel HD Graphics P4600/4600 NVIDIA Quadro NVS™ 510 NVIDIA Quadro NVS 310
Processor: One or two; Intel Xeon processor E5-2600 v2 family with up to ten cores and Intel Advanced Vector Extensions, Intel Trusted Execution Technology, Intel AES New instructions, Optimized Intel Turbo Boost and optional Intel vPro™ technology.
Ram: Quad channel; Up to 128GB 1866MHz ECC or 1600MHz non-ECC DDR3 memory; 8 DIMM slots.
VGA: NVIDIA® Quadro® K5000 AMD FirePro™ W7000 AMD FirePro W5000 NVIDIA® Quadro® K4000 NVIDIA Quadro K2000 AMD FirePro V4900 NVIDIA Quadro K600 AMD FirePro 2270 Intel HD Graphics P4600/4600 NVIDIA Quadro NVS™ 510 NVIDIA Quadro NVS 310