Work station Dell Précision T5400 Xeon 2.66 GHZ E5430 /6 GB ECC / QUADRO 4000 / 73 GB SCSI / DVD RW / Win 7 2000 dt BIXEON 2.83 GHZ / 8 G ECC / QUADRO FX 4600 / 146 GB SCSI / DVD RW / Win 7 2500 dt