<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 Legacy Intel® Core™ Processor Intel Core i5-2xxx DELL OptiPlex 990, 3.1 GHz, Intel® Core™ i5, 4 GB, 500 GB, DVD±RW, Windows 7 Professional DELL OptiPlex 990. Processor frequency: 3.1 GHz, Processor family: Intel® Core™ i5, Processor model: i5-2400. Internal memory: 4 GB, Internal memory type: DDR3-SDRAM. Total storage capacity: 500 GB, Storage media: HDD, Optical drive type: DVD±RW. On-board graphics card model: Intel® HD Graphics 2000. Operating system installed: Windows 7 Professional, Operating system architecture: 32-bit. Power supply: 265 W. Chassis type: Mini Tower. Product type: PC. Product color: Black, Silver https://www.pcmag.com/review/266209/dell-optiplex-990 The Dell Optiplex 990 ($1,905 direct) is an enterprise-class, high-end desktop PC. With its Intel Core i7-1600 processor and RAID 1 hard drive array, it's as high up as you can go in the business world without buying a full-blown workstation. It has a ... Easy to service chassis, Quad-core performance, Blu-ray burner, RAID protection, 3D graphics, Three-year warranty, No USB 3,0, No eSATA, The enterprise-class Dell Optiplex 990 business desktop brings second generation Core i processors to your medium to large business. It will work as an SMB shop as well, but the system's real strength is when it's deployed in numbers. ...