Lenovo 2M MELLANOX HDR IB DAC QSFP56 Cable - 4Z57A14185

Lenovo 4Z57A14185 Cable

Overview

The Lenovo 4Z57A14185 is a 2-meter Direct Attach Copper (DAC) cable featuring QSFP56 connectors, designed for high-speed InfiniBand (IB) HDR and 200GbE Ethernet connections. This cable is essential for linking servers equipped with Mellanox ConnectX-6 HDR adapters to switches or other servers within a high-performance computing or data center environment. It provides a cost-effective, low-latency solution for demanding network infrastructures requiring 200 Gbps throughput.

Compatibility

This QSFP56 DAC cable is specifically designed for use with Lenovo ThinkSystem servers and Mellanox ConnectX-6 HDR VPI adapters. It is compatible with systems utilizing the following adapter part numbers: 4C57A15326 (MCX653105A-HDAT), CTO only: B4RG, and 4XC7A86672 (BKSK). It is also suitable for ThinkSystem SD665 V3 SharedIO and ThinkSystem SD650 V3 NDR Auxiliary Kit configurations (Bpszg, Brl2).

Installation Notes

Ensure QSFP56 ports are clean before insertion. The cable is rated for standard data center operating temperatures and requires no configuration. For optimal performance and to prevent signal integrity issues, avoid sharp bends or kinks in the cable run, maintaining a bend radius of at least 50mm.