* USB 3.1 Gen1 to SATA 6Gb/s Bridge Controller
* LED blue indicator indicates drive status
* On-board 2 test pogo pins to achieve powered between X821 and Pi3 without additional cable
* Allows booting OS from your HDD/SSD for faster app opens, web serving and file copying
* Fully compatible with X735 for power management and cooling your Raspberry Pi 3