This Intel Xeon E5440 processor is a high-performance CPU with a clock speed of 2.83 GHz and four cores, making it an excellent choice for demanding tasks and multitasking. The processor model is Intel Xeon E5-440 and has a bus speed of 1333 MHz. It is compatible with LGA771 socket type and it comes with 12MB of cache memory. This unit is a great addition to any computer setup and is ideal for professionals in need of a powerful CPU. It is suitable for use in a variety of applications, including rendering, video editing, and gaming. Its quality construction and reliable performance make it a valuable investment for anyone looking to upgrade their computer's processing power.