AMD Radeon HD 6450 DMS-59 512MB Full Height PCI Express XF27T

This is a good solid AMD video with a 512MB DDR3 ram.

It has been fully tested and comes with a 90-day warranty.

The ATI Radeon HD 6450 supports dual monitors with the required DMS-59 adapter, you can find them here.

Dell Part Number: XF27T