Lenovo 7XG7A05578 Thinksystem Drive, Xeon Silver, 10-core, 20 threads, Cache 13.75 megabyte, Clock Speed 2.2 GHZ, Turbo Speed 3 GHZ, Power 85 watt, Included 2 fans, Heatsink. Intel AES New Instructions (Intel AES-NI) are a set of instructions that enable fast and secure data encryption and decryption. AES-NI are valuable for a wide range of cryptographic applications.