The JBX04121 50-meter HPE compatible 100GBASE-SR4 QSFP28 active optical cable represents cutting-edge fiber optic technology engineered for modern enterprise networks. This premium AOC solution combines exceptional performance with reliability, making it ideal for data center interconnects, server-to-switch connections, and high-speed network infrastructure applications. **Technical Specifications & Performance** This cable features 8-strand OM3 50/125 multimode fiber construction, delivering consistent 100Gb/s data transmission rates across the full 50-meter distance. The QSFP28 form factor ensures compatibility with leading enterprise networking equipment, particularly HPE systems. The cable meets all requirements of IEEE 802.3bm and QSFP28 MSA specifications, guaranteeing seamless integration with existing infrastructure. **Safety & Compliance** Comprehensive certifications underscore this cable's reliability. Class 1 Laser certification, TUV approval, UL/FDA compliance (21CFR 1040.10), and RoHS/ELV directive adherence ensure safe operation in any environment. The OFNR (riser-rated) LSZH jacketing provides fire safety and low-smoke zero-halogen performance, critical for enclosed spaces and vertical cable runs. **Compatibility & OEM Replacement** Direct replacement for multiple HPE part numbers: Q9S71A-50M, 845414-B21-50M, 834972-B28-50M, and JL278A-50M. This compatibility eliminates procurement confusion and simplifies inventory management for IT professionals upgrading existing systems. **Operational Advantages** With operating temperature range of 0-70°C (32-158°F), the cable performs reliably in diverse data center environments. The plastic jacketing with fiber strand protection ensures durability against physical stress and environmental factors. Custom brand programming is available for enterprise clients requiring OEM-specific configurations. **Value & Support** Competitively priced with free standard shipping on orders exceeding $99 and nationwide distribution from facilities in Danville, CA and Beaufort, SC. A 90-day limited warranty provides peace of mind for your investment. This cable represents an exceptional value proposition for organizations seeking high-performance, fully-certified network connectivity solutions without premium pricing.