16/10/4 ポート USB 3.0 ハブ スプリットスイッチ 12V 7.5A - Disk House
Amazon.co.jp: IDE to USB Adapter Converter Cable 12V / 5V - 2A Power Adapter, IDE to USB Adapter, Conversion Cable, Compatible with HDD 2.5 inch, 3.5 inch Support US Power : Computers
12v to USB Power Adaptor | Tallon Systems Accessory Store