ENERGY STAR® is the government-backed symbol for energy efficiency, providing simple, credible, and unbiased information that consumers and businesses rely on to make well-informed decisions. ENERGY STAR is the simple choice for energy efficiency, making it easy for consumers and businesses to purchase products that save them money and protect the environment. ENERGY STAR <b>Higher Performance When You Need It Most</b> Intel® Turbo Boost Technology 2.01 accelerates processor and graphics performance by increasing the operating frequency when operating below specification limits. The maximum frequency varies depending on workload, hardware, software, and overall system configuration. 2.0 DisplayPort 1 Intel® Xeon® processors deliver cloud computing, real-time analytics, processing for your mission-critical business, and big data insights. Improve data center efficiency and reliability to handle any workload. Intel Xeon E3 v2 HP 220 + NVIDIA Quadro 600, 3.4 GHz, Intel® Xeon® E3 V2 Family, E3-1245V2, 4 GB, DVD Super Multi, Windows 7 Professional HP 220 + NVIDIA Quadro 600. Processor frequency: 3.4 GHz, Processor family: Intel® Xeon® E3 V2 Family, Processor model: E3-1245V2. Internal memory: 4 GB, Internal memory type: DDR3-SDRAM, Memory clock speed: 1600 MHz. Card reader integrated, Optical drive type: DVD Super Multi. On-board graphics card model: Intel® HD Graphics P4000. Operating system installed: Windows 7 Professional, Operating system architecture: 64-bit. Power supply: 400 W. Chassis type: Minitower. Product type: Workstation. Weight: 10.4 kg https://www.pcmag.com/review/302164/hp-z220-cmt-workstation Workstations may not be the sexiest computers out there, but they're among the most important when you need to get your work done reliably and quickly. Well equipped to help you achieve both of those goals is the HP Z220 CMT Workstation, an unassuming-loo... Solid productivity performance. Uses SSD for high-speed SRT caching. Good expansion card potential. Other systems have superior graphics capabilities. Little room for adding more drives Coming in at less than $2,000, the HP Z220 CMT Workstation is a well-equipped and speedy professional system for completing performance-intensive day-to-day tasks....