<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 4th Generation Intel® Core™ processors are based on Intel® microarchitecture formerly known as Haswell, manufactured on 22 nm process technology with 3D tri-gate transistors. This platform provides excellent CPU, graphics, media performance, flexibility, and enhanced security over the 3rd generation Intel® Core™ processors, making it ideal for a broad range of intelligent systems. Intel Core i7-4xxx Lenovo IdeaCentre K450, 3.4 GHz, Intel® Core™ i7, 16 GB, 2 TB, DVD-RW, Windows 8 Lenovo IdeaCentre K450. Processor frequency: 3.4 GHz, Processor family: Intel® Core™ i7, Processor model: i7-4770. Internal memory: 16 GB, Internal memory type: DDR3-SDRAM, Memory clock speed: 1600 MHz. Total storage capacity: 2 TB, Storage media: HDD, Optical drive type: DVD-RW. On-board graphics card model: Intel® HD Graphics 4600, Discrete graphics card model: NVIDIA® GeForce® GT 650. Operating system installed: Windows 8, Operating system architecture: 64-bit. Chassis type: Desktop. Product type: PC