258 usb 12v hdd power supply products are offered for sale by suppliers on Alibaba.com, of which adapters & connectors accounts for 2%.
A wide variety of usb 12v hdd power supply options are available to you, such as short circuit, ovp and over-charging.You can also choose from new, 100% oem compatible usb 12v hdd power supply,as well as from abs, pc fireproof material, and aluminum alloy usb 12v hdd power supply,and whether usb 12v hdd power supply is dc, or ac.