Dolphin provides two types of adapter cards in the PX product family, the PXH81x and the PXH83x.
Two Cluster Nodes can be connected directly using one PCI Express iPass cables. This results in an effective link width of x8 ("times 8" for 64 Gbit/s bandwidth) is available.
Up to 8 Cluster Nodes can be connected to a IXS600 switch. This switch has 8 ports
Two Cluster Nodes can be connected directly using four PCI Express SFF-8644 cables. This results in an effective link width of x16 ("times 16" for 128 GT/s bandwidth) is available.
Three Cluster Nodes can be connected using two PCI Express SFF-8644 cables. This results in an effective link with of x8 links between each host.