Description: brand new and high quality Features: One chassis optical drive can be expanded to one 2.5" HDD, 3.5" HDD and 2 USB 3.0 hubs. 2.5" HDD bay can fit 7-9.5mm thickness of 2.5" SATA/SSD hard drive. Metal and engineering plastics structure make the product strong and sturdy. With tool free design, it's easy installation and maintenance. With security lock design to ensure hard disk safety. LED power indication light and Data indication light. Support hot Plug and for Play function. Support Systems: for Win7/8/10/XP/Vista/OS 10/for Linux Specifications: Item Type: Hard Disk Enclosure Material: Metal+Plastic Size: 19.9x14.5x4.2cm/7.8x5.7x1.6in Color: Black Support: for 2.5" and 3.5" SATA/SSD hard disk Interface: SATA Data Transmission: UP to 6Gbps Fit: for 5.25" driver bay of PC LED indicator: Power/Data Light Power support: SATA 15 pin power Quantity: 1 PC Note: Transition: 1cm=10mm=0.39inch Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Includes: 1 x Hard Disk Enclosure 1 x Data Cable 1 x Some Accessories 1 x User Manual