DELL NVIDIA Quadro NVS450, GDDR3, 128 bit, 1400 MHz, 2560 x 1600 pixels, PCI Express x16 DELL NVIDIA Quadro NVS450. Graphics processor family: NVIDIA, Processor frequency: 480 MHz. Graphics card memory type: GDDR3, Memory bus: 128 bit, Memory clock speed: 1400 MHz. Maximum resolution: 2560 x 1600 pixels. Interface type: PCI Express x16. Cooling type: Passive