The Pny VCQ420NVS-X16-DVI-PB is available from Calhoun Technologies. Calhoun Tech can help your company save up to 80% on IT Hardware. Manufacturer: Pny Part Number: VCQ420NVS-X16-DVI-PB Details: Pny VCQ420NVS-X16-DVI-PB Pny Vcq420Nvs-X16-Dvi-Pb Quadro Nvs 420 512Mb 256Mb Per Gpu 12