8 large-capacity solid capacitors to ensure stable power input and output. ^^ Made of thickened and hardened PC high temperature and -, to use. ^^ Comes with 4 15pin power supply cable, each of them with the length of 60cm, saving time and effort (SATA 15pin standard power supply line) ^^ Full black switch, PCB, bezel for better. ^^ Easy to hard drives - Can be cascaded and can be superimposed to control more hard disk box devices, such as fans, etc. ^^ ^^ ^^ ^^ ^^