Simplecom SA236 USB 3.0 to SATA Adapter Cable Converter with Power Supply for 2.5" & 3.5" HDD SSDSA236 is a USB 3. 0 to SATA adapter with external power supply for both 2. 5" and 3. 5" SATA HDD SSD. This adapter comes with an external power supply, which enables the adapter to power and access desktop 3. 5" SATA hard drives. Plug and play and easy to use, this portable cable style adapter makes it easy to access and swap between any 2. 5" or 3. 5" SATA HDD SSD without having to install your drives into an enclosure or PC tower. Perfect for fast