Feature: 1. Scope of Application: The HDD tray is suitable for 2.5in SAS / SATA hot swap hard drives, to meet your needs 2. Applicable Model: The HDD tray is suitable for Dell R740, for R740XD, for R940, for R640, for R540, for R440, for R240, for T440, for T640, for 14G 3. Metal Material: The HDD tray is made of metal material, which has been strictly tested before delivery, which is durable and wear resistant 4. 4 Screws Supplied: The HDD tray is for 2.5in SFF, not 3.5in LFF. Comes with 4 screws to attach to each tray 5. Stable Performance: The HDD tray helps to improve the stability of the hard disk and protect your data security Specification: Item Type: HDD Tray Material: Metal Color: Silver Size: 2.5in Hard Disk Interface: SAS / SATA (general) Applicable Models: For Dell R740, for R740XD, for R940, for R640, for R540, for R440, for R240, for T440, for T640, for 14G Package List: 1 x HDD Tray 4 x Screw