On Wednesday, March 23, 2011 03:02:16 pm Adrian Sevcenco wrote: > Hi! I would need an advice from those that use IB (as admins :) ) > i have a choice between : > 1. Mellanox InfiniHost® III Lx HCA card, single-port CX4, DDR, PCIe > x8, mem-free, tall bracket, RoHS R5 > > 2. QLogic Single Port 20 Gb InfiniBand to x16 PCI Express Adapter > (Single Pack) First, both of the above HCAs are old, I'd recommend going with either a Mellanox Connectx(-2) or Qlogics current 73xx. Secondly, it's hard to recommend anything if you don't tell us what you're going to use them for. Does "parallel cluster" mean MPI? Some random notes: * the InfinihostIII-lx is a cheap well working (although old) HCA * I'm guessing the Qlogic you had in mind was the QLE7280? if so: - 16x PCI-e does not fit everywhere /Peter > aside the price is there anything else that could help me make a > discrimination between this two? > (these will be used in twin servers for a small (up to 24 nodes) > parallel cluster) > Thanks! > Adrian -- -= Peter Kjellström -= National Supercomputer Centre -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 198 bytes Desc: This is a digitally signed message part. URL: <http://lists.centos.org/pipermail/centos/attachments/20110406/62c44778/attachment-0004.sig>