This replacement power adapter can provide a power source for any electronic device that has a 4-pin DIN barrel and requires 12 volts and up to 6.5 amps of power.Replace your failed or lost power adapterThe adapter is a perfect replacement for the lost or damaged power adapter you've used to power your existing electronics.Keep a spare power adapter on handWhen downtime isn't an option, keeping spare power adapters on hand ensures that you won't be left waiting for a replacement to arrive or have to replace your devices just for the sake of a compatible power source.This power adapter is a direct replacement for the power adapters included with the following StarTech.com products:USB 3.0 / eSATA 4-Bay 3.5in SATA III Hard Drive Enclosure (S3540BU33E)1U Rackmount 4-Bay 3.5in SATA / SAS External Hard Drive Enclosure (SAT35401U)4 Bay eSATA USB 3.0 to SATA Hard Drive Docking Station (SATDOCK4U3E)4 Bay USB 3.0 eSATA to SATA Standalone 1:3 HDD Hard Drive Duplicator Dock (SATDOCK4U3RE)USB 3.0 to 4-Bay SATA 6Gbps Hard Drive Docking Station (SDOCK4U33)The SVA12DN4NEUA is backed by a StarTech.com 2-year warranty and free lifetime technical support. More from the Manufacturer