GOLDSTAR Tool Free Internal Hard Driver Mounting Bracket Adapter (3.5" to 5.25" Stainless Bracket), CD-ROM Space internal 3.5 inch SATA HDD Frame/Mobile Rack for Desktop PC - Support 4 TB Output interface: SATA 7PIN+ big 4PIN power interface, Material: Stainless Metal & plastic Tool Free allow to install and swap hard drive, Safety lock included avoid unexpected ejection Independent ON/OFF switcher, LED light display hard drive working status, Power control switch included allow to turn off drive for energy saving and safe removing Ready for Hot Swapping, Plug & Play with Lossless Transmission Speed Support all the 3.5" SATA/SAS HDD, Max capacity up to 4TB SATA hard drive enclosure, Compatible with Windows XP / 7 /8/8.1, Linux and Mac 9.1 or later desktop computer with an available 5.25 inch optical drive space