200Watt ac to dc power supply fits in 3×5 footprint

SL POWER CINT1200 product family with 200 watts of output power and eight different models ranging from 12 to 48V. The single output embedded device accepts an input range of 90 to 264Vac, with more than 90% efficiency plus convection cooling. With less than 1.3″ in height and compact size, the product fits easily into 1U chassis, CE marked to low voltage directive and approved to ITE standards by safety agency regulatory bodies.

http://www.slpower.com