The JBX03498 25-meter Cisco QSFP+ compatible 40GBASE-SR4 active optical cable represents the optimal solution for modern data center connectivity challenges. As networks evolve toward higher speeds and greater capacity, breakout cables like this one provide a cost-effective bridge between legacy 10GB infrastructure and next-generation 40GB equipment. **Key Features & Specifications:** This breakout AOC features an 8-strand fiber construction with OM3 50/125 multimode fiber core, specifically optimized for short-reach applications up to 25 meters. The cable operates at 40GB data rates using 40GBASE-SR4 protocol, delivering four independent 10GB channels across the four SFP+ endpoints. Operating temperature range of 0-70°C (32-158°F) ensures reliable performance in various data center environments. **Quality & Compliance:** Manufactured to the highest standards, this cable meets IEEE 802.3ba specifications and carries multiple safety certifications including UL, FDA 21CFR 1040.10, TÜV, and Class 1 Laser certification. The LSZH jacketing with plastic construction provides both safety and durability, while the OFNR riser rating ensures compliance with building codes for in-wall installations. **Ideal Applications:** Perfect for data centers, enterprise networks, and high-performance computing environments. Commonly used for switch interconnections, server-to-storage migrations, and infrastructure upgrades where 40GB consolidation can be distributed to multiple 10GB endpoints. **Warranty & Support:** Backed by a 90-day limited warranty and available with custom brand programming options. Ships from multiple US locations with free standard shipping on orders exceeding $99. RoHS and ELV compliant, this cable meets international environmental regulations. **Why Choose This Cable:** Authentic Cisco QSFP-4X10G-AOC25M compatibility ensures seamless integration. Superior OM3 multimode performance delivers consistent, reliable 40GB throughput. The active optical design eliminates electromagnetic interference, making it ideal for electrically noisy environments. Extensive certifications and quality manufacturing provide peace of mind for critical network infrastructure investments.