HPE 720208-B21 QSFP+ to QSFP+ Active Optical Cable, 10 meters. Part number 720208-B21 is a high-speed interconnect cable designed for 40 Gbps communication between QSFP+ ports on switches, transceivers, and network adapters. The active optical design uses fiber-optic signaling for extended reach and low latency, supporting distances up to 10 meters with minimal signal degradation. Compatible with HPE Synergy, ProLiant, and BladeSystem platforms, as well as standard-compliant QSFP+ equipment from major vendors. Typical applications include data center fabric interconnects, server-to-switch uplinks, and storage area network (SAN) connections in enterprise environments requiring high throughput and reliable long-distance connectivity. This refurbished unit has been tested and is guaranteed to meet original specifications. Available via quote.