The cPCIS-6400U/6400X Series subsystems are designed for 6U
cPCI boards with 80mm RTMs. The chassis is 4U in height and
standard 19" rack mount width.
The cPCIS-6400U provides 2+1 hot swappable 500W+250W
redundant power supplies with universal AC input, while the
cPCIS-6400X has a built-in 400W AC-input ATX power supply
with cooling fan. Both series have PICMG 2.1 Hot Swap compliant
32/64-bit 5-slot CompactPCI backplanes and a PICMG 2.5 H.110
CT Bus.