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The AOC-IBH-XDD is a dual-port InfiniBand mezzanine host channel adapter built on the Mellanox ConnectX chip. It runs 4x DDR at 20Gb/s per port and mounts on a Supermicro server mezzanine slot rather than a PCIe card slot. It suits admins maintaining older Supermicro servers that need InfiniBand fabric connectivity or low-latency cluster links. Compared with current PCIe InfiniBand and Ethernet adapters it is a legacy part: slower per port, tied to specific Supermicro boards, and without the RDMA feature set of newer ConnectX generations.
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The Supermicro AOC-IBH-XDD is an InfiniBand host channel adapter (HCA) in a mezzanine form factor. It has two ports and uses a Mellanox ConnectX chip.
Each port runs 4x DDR InfiniBand at 20Gb/s.
