HP - Solid state drive - 256GB - internal - 2.5" SFF (in 3.5" carrier) - SATA 6Gb/s - for Workstation Z1, Z1 G3, Z2, z210, Z220, Z230, Z238, Z420,

Higher overall performance than 15k HDDs based on random IOPs, sustained reads and sustained writes., Lower systems level acoustical emissions than systems with HDDs, especially 15k rpm HDDs, More rugged than HDDs with respect to shock and vibration,