HP 828108-001 InfiniBand EDR/Ethernet 100Gb 2-port 840QSFP28 Adapter The HP 828108-001 is a high-performance, dual-port network adapter that supports both InfiniBand EDR and 100 Gigabit Ethernet (100GbE) connectivity. It utilizes the QSFP28 connector type. This adapter is designed for HP ProLiant servers and is based on Mellanox ConnectX-4 technology, offering low latency and high bandwidth for demanding applications such as high-performance computing (HPC) and enterprise data centers. Here's a breakdown of its key features and specifications: Key Features: Dual-Port: Offers two independent ports for increased bandwidth and redundancy. Multi-Protocol Support: Functions as either a dual-port EDR InfiniBand adapter, a dual-port 100GbE adapter, or a mixed-function card. High Bandwidth: Supports data transfer rates of up to 100 Gbps per port. Low Latency: InfiniBand EDR is known for its ultra-low latency, crucial for performance-sensitive applications. QSFP28 Connectors: Utilizes Quad Small Form-factor Pluggable 28 connectors, a standard for high-speed networking. PCI Express 3.0 x16 Interface: Ensures high-speed communication with the host server. Mellanox ConnectX-4 Technology: Provides scalability, fabric flexibility, and advanced features. RDMA Support: Supports Remote Direct Memory Access over both InfiniBand and Ethernet (RoCE), which can significantly improve performance by allowing direct memory access between servers without CPU intervention. Compatibility: Designed for various HP ProLiant DL, ML, and XL series servers. Warranty: 60day