Rack Enclosure Extension Frame (Increases external depth of rack enclosures to 51 / 1295 mm; increases maximum mounting depth to 43.75 / 1111 mm.) Model #: SREXTENDER 25U, 42U, or 48U height-adjustable rack extension frame Increase usable depth of standard rack enclosure by 8 inches Allows easy integration of tooless mounting rails from standard enclosures SREXTENDER rack extension frame allows you to increase mounting depth of standard rack enclosure by 8" without replacing enclosure and reinstalling existing equipment. SREXTENDER is compatible with SmartRack 25U, 42U, and 48U enclosures. Ideal for hosting, colocation, and server farm applications that experience rapid growth, requiring the installation of deep server chassis that can pack more processing power in each rack enclosure. 25U, 42U, or 48U height-adjustable rack extension frame Increase usable depth of standard rack enclosure by 8 inches Allows easy integration of cable management trays from standard enclosure Textured powder coat finish Top cable access opening can also accomodate up to 3U rack accessories Simple installation of extension frame just by removing rear doors, attaching frame to existing rear hinges and attaching doors to extenstion frame PHYSICAL Shipping weight (lbs) 60 Shipping Dimensions (HWD/in) 9.3 x 47.5 x 8 Shipping Dimensions (HWD/cm) 23.62 x 120.65 x 20.3