Cubix Xpander Fiber 8 4U Rackmount PCIe Expansion Enclosure with Redundant Power Supply

Xpander Fiber 8 with Redundant Power (RP) supplies is a 4U rack mount PCI Express (PCIe) expansion enclosure that enables fiber-optic connection of 8 double-wide accelerators to a host computer. Xpander Fiber 8 (XF8) supports accelerators like graphical processing units (GPUs) or Intel Xeon Phi processors with passive cooling and rear-connected auxiliary power cables. The host computer must provide one PCIe Gen 3.0 x16 slot available for the fiber-optic host interface controller (HIC).

XF8 provides one Main Interface Board (MIB) connected via fiber-optic cables to a HIC in a host computer. One pair of fiber-optic cables support a x8 connection or two pair of fiber-optic cables support a x16 connection. The MIB in Xpander features eight PCIe x16 slots that support eight double-wide GPUs like NVIDIA Tesla Series, AMD FirePro 9000 Series or Intel Xeon Phi. XF8 provides one set of eight PCIe x16 slots for GPUs for use with high-performance computing (HPC) such as artificial-intelligence (AI) or deep-learning and other Compute Unified Device Architecture- (CUDA-) applications like AMBER.

With 8 x Intel Xeon Phi processors, XF8 supports parallel processing applications. Cubix designed XF8 with a single main board specifically for applications like AI that require the fastest peer-to-peer (P2P) transfer rates possible. For example, Cubix has measured P2P transfer rates of 12.5GBytes/second simultaneously in both directions among 8 x NVIDIA Tesla GPUs.