<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 Does not contain "conflict minerals": tantalum, tin, tungsten, and gold. Y Amazing performance, blazing fast startups, brilliant HD video, and graphics, battery life that lasts as long as you do, and speed that keeps up with your imagination, that's what you'll find in the 6th Gen Intel® Core™ processors—Intel's best ever. Intel Core i5-6xxx Lenovo ThinkCentre S510, 2.7 GHz, Intel® Core™ i5, 4 GB, 1 TB, DVD±RW, FreeDOS Lenovo ThinkCentre S510. Processor frequency: 2.7 GHz, Processor family: Intel® Core™ i5, Processor model: i5-6400. Internal memory: 4 GB, Internal memory type: DDR4-SDRAM, Memory clock speed: 2133 MHz. Total storage capacity: 1 TB, Storage media: HDD, Optical drive type: DVD±RW. On-board graphics card model: Intel® HD Graphics 530. Operating system installed: FreeDOS. Power supply: 180 W. Chassis type: Tower. Product type: PC. Product color: Black