Features: Transform for series laptop by replacing the optical drive with our hard drive Caddys, offering compatibility and expanded storage option. from materials, this lightweight yet Caddys supports 2.5inch SATAs HDDs or SSDs, ensuring long performances without adding bulk. for photographers, video editors, and users requiring extensive data storage, this product caters to those needing enhanceds storage flexibility. Perfect for home, office, easily install additional storage with the included screwdriver and complete set of screws. with efficient heat dissipation features, our Caddys ensures performances and reliability, making it a practical upgraded for user internal storage expansion. Specifications: Material: PCB Size:90x16x6mm/3.54x0.63x0.24inch Quantity: 1PC, 2Pcs (optional) Package Includes: 1/2Set SerialATA Converters note: Please allow 0-1cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the picture may not reflect the actual of the item. Thanks!