This HPE Compatible 256GB (1x256GB) Octal Rank x4 DDR5-5600 CAS-52-45-45 EC8 Registered 3DS Smart Memory Kit is qualified for use in HPE ProLiant Gen11 servers with Intel processors. The highest-capacity DDR5-5600 module combines 3DS octal-rank architecture with premium bandwidth for in-memory databases and HPC. HPE Smart Memory validated. Limited lifetime warranty.