The JBX05652 2-meter QSFP28 to SFP28 breakout DAC cable represents an excellent solution for organizations seeking reliable, cost-effective 100GBASE-CR4 connectivity. As a direct compatible replacement for the Cisco QSFP-4SFP25G-CU2M, this cable delivers the same performance specifications at a competitive price point. **Technical Excellence** Built with premium 30AWG twinax copper conductors and protective plastic jacketing, this breakout cable supports full 100GBASE-CR4 bandwidth. The passive design requires no external power, simplifying installation and reducing operational overhead. IEEE 802.3bj and QSFP28 MSA qualification ensures compatibility across enterprise-grade networking equipment. **Versatile Connectivity** The QSFP28 to 4x SFP28 configuration allows flexible network architecture, enabling single high-speed uplinks to break into four independent 25G connections. This makes it ideal for server connections, switch interconnects, and storage systems requiring granular bandwidth management. **Durability & Compliance** Manufactured with rigorous quality standards, the cable features copper connectors designed for longevity. RoHS compliance (EU Directive 2002/95/EC), TUV certification, and UL listing demonstrate commitment to safety and environmental responsibility. The 90-day limited warranty provides peace of mind for your investment. **Practical Advantages** With a 2-meter length, this cable accommodates typical rack-to-switch distances while maintaining signal integrity. Operating temperature range of 0-70°C covers standard data center environments. The compact 12x12x2mm profile facilitates cable management in dense network deployments. **Ideal Applications** Perfect for upgrading legacy 40GBASE-CR4 infrastructure, consolidating multiple lower-speed connections, or enabling granular connectivity in modern data centers. The cable's passive nature and proven Cisco compatibility make it a reliable choice for production environments.