ORICO 3.5 to 5.25 Drive Bay Adapter Internal HDD SSD Mounting Adapter ToolFree CD-ROM Space Mobile Rack This ORICO Hard Drive Rack is the CD-ROM space 3.5" HDD mobile rack(built-in, desktop optical drive), which support most 3.5" SATA3.0 HDD.Max support 8TB hard drive,but not recommend use with SEAGATE hard drive(because of size and interface). Tool free and scressless design make you can change your HDD within few seconds. Support hot-swap.LED indicator:blue for power,red for HDD access status.Simple and creative. Adopt high quality plastic+metal material,ensure the stable and durable performance. Compatible with most OS,such as Windows Me/Windows2000/XP/Vista/7, Windows98;Mac10.4 above/10.2 above.