Fredenstein Bento 10SB, 10-Slot Rack, 19"" Rack for API 500 system modules, Internal 90-240 V (AC) power supply with +/- 16Volt/+48Volt, Reduced cabling effort, as the audio routing can be switched from card to card on the rear panel, Intelligent voltage distribution, Energy efficient, Extremely low-noise integrated power supply unit, Colour: Black, Includes 19"" rack kit