Overview Performance you want. value you need. The HP Z420 gives you professional expandability in an accessible tool-free mini-tower form factor ? all at a great price. With up to 8 discrete processing cores, the latest processing & I/O power from Intel, & the latest graphics technology from leading graphics providers, the HP Z420 has the power you need to get the job done. Features Designed With Ease. • Enjoy the control that comes with being able to swap out parts or make upgrades on your own. The HP Z420 Workstation features a smart chassis that offers tool-less access to the inside, easy configurability & optional optical bay handles for seamless deployment. Enjoy superb Performance. • Achieve the highest performance available in a single-processer personal workstation. The HP Z420 Workstations offers your choice of Intel Xeon E5-1600 & E5-2600 series processors ? with base clock frequencies of up to 3.6 G Hz & the new Intel C602 chipset. Never Compromise On Graphics. • Built to support next generation PCIe Gen 3 graphics, the HP Z420 currently offers a breadth of AMD & NVIDIA professional graphics cards from Pro 2D to high-end 3D, up to the NVIDIA Quadro 5000. Build It Your Way. • Build the HP Z420 Workstation the way you want with multiple SATA & SAS RAID configuration options that support a wide range of high-performance, high capacity storage solutions. Complete Peace of Mind. • HP workstations offer low halogen & ENERGY STAR qualified configurations featuring 90% efficient power supplies.