HP Z4 G4 3,70GHz Xeon W-2145 64GB DDR4 512GB NVMe SSD + 1TB SATA Quadro K1200 4GB
64GB DDR4 ( UPGRADE POSSIBLE to 96GB or 128GB DDR4 ). DDR4 288 PIN. FREE NVIDIA Quadro K1200 4GB ( upgrade possible 8GB or 12GB Nvidia Quadro ). HP Z4 G4 Workstation -Max Turbo 4.50Ghz. HP Z620 HP Z820.