Hi - planning on replacing my Dell E512 (it refuses to die but...) with a machine using an Intel Xeon Processor E3-1240 v3 Quad Core HT, 3.40GHz Turbo, 8MB. This has no 'on-board' graphics ability like say the Intel Xeon®Processor E3-1245 v3 Quad Core HT, 3.40GHz Turbo, 8MB, w/ HD Graphics...