HP 804101-B21 3m Synergy Interconnect Link Active Optical Cable for HPE Synergy interconnect modules. Active optical design eliminates signal degradation over extended runs, supporting high-speed fabric connectivity in modular composable infrastructure environments. 3-meter length spans between frame link modules or to external switching fabric. Supports 10/25/40Gbps interconnect speeds depending on module configuration. Part number 804101-B21 is a direct-attach active optical interconnect certified for HPE Synergy 12000 and 660 frame deployments.Typical applications include data center fabric expansion, multi-frame Synergy scaling, and hybrid cloud infrastructure consolidation. Cable features low-latency optical transmission with minimal crosstalk and compatible with standard SFP+/SFP28 optical interfaces on Synergy link modules.Tested and guaranteed working condition; available via quote.