Built for fast and reliable hard drive access, the RTX100-INT can be mounted inside most PC towers for easy hard drive swapping, offering a convenient way to quickly add additional storage. The RTX100-INT is designed to be installed in a standard 5.25-inch bay (same as most optical drives) and is compatible with most PC cases. TrayFree bays make adding or removing drives effortless. It''s as easy as opening the door, sliding the drive in, and closing the door. No screws, no trays. It just works. Additional features: Supports any capacity 3.5-inch drive Supports both SAS and SATA at full 6 Gbps speed 2-year limited warranty Free tech support by phone or email Anyone who needs additional data storage, backup, or data transportation will find the RTX100-INT a reliable choice.