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 Core i5-11500T SRKNZ CPU Processor runs at 1.50 GHz with 6 cores, making it suitable for a variety of computing tasks. This 11th generation processor from Intel is designed for high performance and efficiency, with a silver color and FCLGA1200 socket type for easy installation. With no cooling components included, users will need to provide their own cooling solution to ensure optimal performance. Made in China, this Intel Core i5 processor is a reliable choice for those seeking a balance of power and value in their computing experience.