Fully tested and working. Prompt postage promised. The product is an Intel Xeon E5-1660 V4 SR2PK CPU, with a clock speed range of 3.2 - 3.8GHz and a large L3 cache of 20MB. Featuring 8 cores, this CPU is suitable for high-performance computing tasks and is tested for reliability. The LGA2011-3 socket ensures compatibility with a range of server motherboards, making it a versatile choice for businesses or individuals requiring powerful processing capabilities