This Supermicro HDD /SSD cage (MCP-220-73201-0N) enables you to expand to 4 additional 2.5" HDD/SSD drives. This HDD/SSD cage includes 1 HDD Cage, 4 HDD Carriers, 2 CBL-0082L. This drive tray is compatible with various Supermicro chassis. Each hard drive tray is validated to ensure quality Manufacturer Supermicro Additional Specs Includes 1 HDD Cage, 4 HDD Carriers, 2 CBL-0082L Warranty 1 year warranty Product Environmental Compliance RoHS and REACH compliant, details available upon request