An all metal chassis and surface mounting or DIN rail mounting options makes this versatile for almost any environmentnOptional external terminal block DC power connector can ensure full power to all four USB ports simultaneouslynBacked by a StarTech. com 1-year warranty and free lifetime technical supportnHigh Speed USB 2. 0 compliant, supporting transfer rates up to 480 MbpsnIncludes 2 meter USB host cablenSupport for multiple mounting methods (Wall/Surface mount and DIN rail)nAll metal constructionnOptional external power connectorn