The InfiniBand Switch Modules are switch-based, point-to-point bi-directional serial link systems. They provide high-speed interconnectivity among the blade modules and to external InfiiniBand peripherals and are especially useful in supporting clustered High-Performance-Computing. The SBM-IBS-001 InfiniBand switch supports up to fourteen internal and 10 external 4X DDR connections (20-Gbps). The SBM-IBS-Q3616 InfiniBand Switch Module supports up to 20 internal and up to 16 external 4X QDR connections (40 Gbps). The SBM-IBS-Q3616M InfiniBand Switch Module adds the capability for installation of a BMB-CMM-002 mini-CMM, thus allowing dual/redundant links from each Blade (requires AOC-IBH-XQD) to redundant switches. The SBM-IBS-Q3618 InfiniBand Switch Module supports up to 18 internal and up to 18 external 4X QDR connections (40 Gbps). Like the SBM-IBS-Q3616M, the SBM-IBS-Q3618M InfiniBand Switch Module adds the capability for installation of a BMB-CMM-002 mini-CMM, thus allowing dual/redundant links from each Blade (requires AOC-IBH-XQD) to redundant switches.The InfiniBand Switch Modules are switch-based, point-to-point bi-directional serial link systems. They provide high-speed interconnectivity among the blade modules and to external InfiiniBand peripherals and are especially useful in supporting clustered High-Performance-Computing. The SBM-IBS-001 InfiniBand switch supports up to fourteen internal and 10 external 4X DDR connections (20-Gbps). The SBM-IBS-Q3616 InfiniBand Switch Module supports up to 20 internal and up to 16 external 4X QDR connections (40 Gbps). The SBM-IBS-Q3616M InfiniBand Switch Module adds the capability for installation of a BMB-CMM-002 mini-CMM, thus allowing dual/redundant links from each Blade (requires AOC-IBH-XQD) to redundant switches. The SBM-IBS-Q3618 InfiniBand Switch Module supports up to 18 internal and up to 18 external 4X QDR connections (40 Gbps). Like the SBM-IBS-Q3616M, the SBM-IBS-Q3618M InfiniBand Switch Module adds the capability for installation of a BMB-CMM-002 mini-CMM, thus allowing dual/redundant links from each Blade (requires AOC-IBH-XQD) to redundant switches.