Dell. We got a Mellanox 36 port unmanaged infiniscale iv QDR IB switch with a single psu for ~$4.8k and an extra PSU for $640. We looked at all the turnkey vendors. Not a single one could compete with their prices. On Sat, Feb 6, 2010 at 3:45 PM, Brock Palen <brockp at umich.edu> wrote: > Colfax Direct: > http://www.colfaxdirect.com/store/pc/home.asp