[shortdesc] ConnectX-5 Ex InfiniBand/Ethernet adapter card, EDR IB (100Gb/s) and 100GbE, dual-port QSFP28, PCIe Gen4 x16, tall bracket [/shortdesc] [properties] Product Name NVIDIA ConnectX-5 Ex InfiniBand/Ethernet Adapter Card (MCX556A-EDAT) Product Description The NVIDIA ConnectX-5 Ex InfiniBand/Ethernet Adapter Card (MCX556A-EDAT) is a high-performance network adapter designed for data centers and high-performance computing environments. It features dual 100Gb/s ports, supports PCIe 4.0 x16 interface, and offers low latency and high message rate capabilities. Product Family NVIDIA ConnectX-5 Ex Series Product Type Network Adapter Card Connector Dual QSFP28 InfiniBand and Ethernet (copper and optical) Data Rate Ethernet: 1/10/25/40/50/100 Gb/s, InfiniBand: SDR/DDR/QDR/FDR/EDR PCI Express Gen 4.0 SERDES @ 16.0 GT/s, 16 lanes (2.0 and 1.1 compatible) Voltage 12V Maximum Current Not specified Typical Power (PCIe Gen 4.0) 19.3 W Maximum Power (PCIe Gen 4.0) 23.4 W [/properties] [specifications] Size 4.89 in x 2.71 in (124.22 mm x 68.90 mm) Weight Not specified Message Rate 215 Mpps Sub 0.8 µs latency Yes Supported Architectures x86, Power, Arm Airflow Requirements - Passive Cable: 350 LFM- Active 1.5W Cable: 500 LFM- Active 2.5W Cable: 600 LFM Maximum Power Available Through QSFP28 Port 5 W per port Operating Temperature - Operational: 0°C to 55°C- Non-operational: -40°C to 70°C Humidity - Operational: 10% to 85% relative humidity- Non-operational: 10% to 90% relative humidity Altitude (Operational) 3050 m Regulatory Compliance Safety: CB / cTUVus / CEEMC: CE / FCC / VCCI / ICES / RCMRoHS: RoHS R6 [/specifications] Mellanox MCX556A-EDAT Adapter Card The MCX556A-EDAT is a PCIe HHHL form factor adapter card. It is remote direct memory access (RDMA)-enabled and has advanced application offload capabilities, making it ideal for high-performance computing, cloud applications, and storage platforms. The MCX556-EDAT provides low latency, high message rate and advanced features such as MPI and SHMEM/PGAS offloads. Key Features: 100Gb/s connectivity per port Embedded PLCe switch (Gen4) Tag matching and rendezvous offloads RoHS compliant NVMe-oF offloads