The BX80662I56400, part of Intel's 6th generation or Skylake processors, encapsulates effective performance in a budget-friendly package. The Core i5-6400 operates at a base frequency of 2.70 GHz, reaching up to 3.30 GHz with Turbo Boost, providing an optimal balance between power and efficiency for a wide range of computing needs. With four cores and a 6 MB cache, this processor is adept at handling multitasking, basic gaming, and productivity applications. It supports both DDR4-2133/2400 and DDR3L-1333/1600 @ 1.35V memory, offering flexibility for system configuration. The inclusion of Intel's HD Graphics 530 within the processor enables users to enjoy decent graphical performance for everyday computing tasks. This makes the i5-6400 a solid choice for users looking to build a cost-effective system that does not compromise on the ability to perform everyday tasks smoothly.