The JBX03874 25m 100GBASE-SR4 QSFP28 to 4x SFP28 Active Optical Breakout Cable represents professional-grade connectivity solutions for demanding network infrastructure. Specifically engineered for NVIDIA Mellanox compatibility, this cable serves as a direct replacement for the OEM MFA7A50-C025 part number, ensuring plug-and-play installation in existing ecosystems. **Technical Specifications & Performance:** This active optical cable delivers 100GB data rates using advanced optical technology, qualified to IEEE 802.3bm specifications and QSFP28 MSA standards. The cable utilizes OM3 50/125 multimode fiber with 8 strands of optical fiber, providing the bandwidth and reliability required for enterprise-class networking. The 25-meter length accommodates extended reach requirements within data center topologies, making it ideal for connecting switches, storage systems, and high-performance computing clusters. **Design & Materials:** The breakout architecture converts a single QSFP28 connector into four discrete SFP28 connections, enabling flexible port distribution and enhanced scalability. The durable plastic jacketing with OFNR (Riser Rated) LSZH rating provides flame resistance and low-smoke characteristics, meeting safety requirements for installation in plenum spaces and vertical riser applications. Class 1 Laser certification and TUV compliance ensure safe operation in professional environments. **Environmental & Regulatory Compliance:** Full RoHS/ELV directive compliance (EU 2002/95/EC) eliminates hazardous substances, supporting corporate sustainability initiatives. The cable operates reliably across 0-70°C (32-158°F) temperature ranges, making it suitable for standard data center environments and outdoor installations. **Application Benefits:** Ideal for data center upgrades, high-frequency trading networks, cloud infrastructure, and research computing facilities. The active optical design eliminates EMI interference common in electrical cables, ensuring signal integrity in electromagnetic-dense environments. Drop-in compatibility with NVIDIA Mellanox systems eliminates costly redesigns and minimizes deployment downtime. **Value Proposition:** With 90-day limited warranty protection and free standard shipping on orders exceeding $99, this cable delivers both reliability and cost-effectiveness. Custom brand programming options support OEM and integration partner requirements.