Mellanox MCX516A-CDAT ConnectX-5 EN Adapter, 2x QSFP28, 10/25/40/50/100GbE
Brand: Mellanox | Category: Transceivers & Cables
SKU: MEL-MCX516A-CDAT | Part #: MCX516A-CDAT | MPN: MCX516A-CDAT
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About the Mellanox MCX516A-CDAT ConnectX-5 EN Adapter, 2x QSFP28, 10/25/40/50/100GbE
The Mellanox MCX516A-CDAT ConnectX-5 EN Adapter, 2x QSFP28, 10/25/40/50/100GbE from Mellanox is enterprise-grade Transceivers & Cables hardware built for data centers. It features 100Gb capacity, HHHL form factor, PCIe 3.0 x16 interface, 10/25/40/50/100GbE speed. The Mellanox MCX516A-CDAT ConnectX-5 EN adapter is a dual-port 100GbE network interface card engineered for demanding server and appliance deployments. Built on the ConnectX-5 EN ASIC, it presents two QSFP28 ports supporting link speeds of 10, 25, 40, 50, and 100 Gigabit Ethernet, connecting to the host platform via a PCIe 3.0 x16 interface. The adapter delivers up to 200 Gb/s of aggregate bidirectional throughput, making it well-suited for data-intensive infrastructure where Available in brand new condition. Mellanox transceivers & cables products are trusted by enterprises and data centers worldwide. Available from Omnixon Global. Contact our sales team to request a quote.
Technical Specifications
| Brand | Mellanox |
| Category | Transceivers & Cables |
| SKU | MEL-MCX516A-CDAT |
| Part Number | MCX516A-CDAT |
| Condition | New |
| Capacity | 100Gb |
| Form Factor | HHHL |
| Interface | PCIe 3.0 x16 |
| Speed | 10/25/40/50/100GbE |
| Manufacturer Part Number | MCX516A-CDAT |
| Product Family | ConnectX-5 EN |
| Network Ports | 2x QSFP28 |
| Supported Ethernet Speeds | 10GbE, 25GbE, 40GbE, 50GbE, 100GbE |
| Aggregate Bandwidth | 200 Gb/s bidirectional |
| Host Interface | PCIe 3.0 x16 |
| Form Factor | Full-height, half-length (FHHL) PCIe card |
| RDMA Support | RoCE v1, RoCE v2 |
| SR-IOV Virtual Functions | Up to 255 VFs per port |
| Hardware Offloads | TCP/UDP/IP checksum, LSO, RSS, VXLAN, NVGRE, GRE encapsulation/decapsulation |
| Flow Steering | Advanced hardware-based flow steering with large match-action table |
| PTP Hardware Timestamping | IEEE 1588 PTP supported |
| Operating Temperature | 0°C to 55°C |
| Storage Temperature | -40°C to 70°C |
| Power Consumption (typical) | Approximately 24.9 W (adapter only, excluding transceiver modules) |
| Operating Systems | Linux (OFED), VMware ESXi, Windows Server |
| Connector Type | QSFP28 (supports direct-attach copper, active optical cable, and optical transceiver modules) |
| Regulatory Compliance | CE, FCC, RoHS |
| Management | Mellanox OFED, firmware update via MFT (Mellanox Firmware Tools) |
Frequently Asked Questions about Mellanox MCX516A-CDAT ConnectX-5 EN Adapter, 2x QSFP28, 10/25/40/50/100GbE
What does the Mellanox MCX516A-CDAT ConnectX-5 EN Adapter, 2x QSFP28, 10/25/40/50/100GbE do?
The Mellanox MCX516A-CDAT ConnectX-5 EN Adapter, 2x QSFP28, 10/25/40/50/100GbE is enterprise IT hardware deployed in production data centers, server rooms, and edge sites across the GCC and EMEA region.
What are the headline specs of the Mellanox MCX516A-CDAT ConnectX-5 EN Adapter, 2x QSFP28, 10/25/40/50/100GbE?
Key specifications for the Mellanox MCX516A-CDAT ConnectX-5 EN Adapter, 2x QSFP28, 10/25/40/50/100GbE: capacity 100Gb; form factor HHHL; interface PCIe 3.0 x16; new condition; adapter family ConnectX-5 EN Adapter; network ports 2x QSFP28; supported speed 10/25/40/50/100GbE; host interface PCIe 3.0 x16; form factor HHHL; use case High-performance server networking, virtualization, storage, AI, and cloud. Manufacturer part number MCX516A-CDAT. For the full datasheet with electrical, environmental, and compliance details, contact our pre-sales engineering team.