Given the high volume of processors we manage, we don't fully clean off the thermal paste. Please be aware that your processor may have some thermal paste on it. A simple Q-tip and rubbing alcohol can help you clean it off. Exact serial #s will be shipped out.The Intel Xeon Gold 5215 SRFBC 2.5GHz 10-Core CPU Processor is a high-performance component designed for server use. With a large L3 cache of 13.75MB and a fast clock speed of 2.5GHz, this processor offers impressive speed and efficiency. Its 10 cores provide powerful multitasking capabilities, making it ideal for demanding enterprise networking and server applications. The LGA 3647 socket type ensures compatibility with a wide range of servers, making it a versatile choice for businesses looking to upgrade their computing infrastructure.