brand new and high quality Features: 1.for Smart intelligent chip monitor and operate each drive individually, offer an independent on/off switch to every drive. 2.The hard drive control system will protect your data, making your data much safer, more stable and protect your hard drive. 3.Thicker and harder SMT printed circuit board, lead-free and having a strong heat resist. Operating at a safer environment. 4.12 large capacity solid capacitors, maintaining system stable and operating. 5.Independent on and off switch for each drive. Allowing you could switch of your drive with one single press. 6.SATA 15Pin satandard parallel power cable, not separate, design for a long term serve. Specifications: Size: 14.8 x 14.2 x 4.2cm / 5.8 x 5.6 x 1.7in Compatible computer chassis: ATX-standard for case Port: SATA Max hard drive contain: 4 or 6 choosable Hard drive array: for RAID Color: White Quantity: 1 piece Note: Please allow 0-1cm error due to manual measurement. Please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1x Hard disk control system (other accessories demo in the picture is not included!)