StarTech.com Cisco QSFP-40G-LR4 Compatible QSFP+ Module - 40GBASE-LR4-40GbE Single Mode Fiber SMF Optic Transceiver - 40GbE LC 10km - 1270nm-1330nm - DDM Cisco Firepower, ASR1000 (QSFP40GLR4ST) QSFP-40G-LR4 Single DR538 Fine-tune individual fan settings simply

Fine-tune individual fan settings simply by dragging a curve with the mouse

hardcore gamers and heavy-workload professionals who want blazing fast speed

and multi-finger touch

High-Quality Construction Expertly designed and constructed with durable materials

Other features include VLAN tagging

StarTech.com Cisco QSFP-40G-LR4 Compatible QSFP+ Module - 40GBASE-LR4-40GbE Single Mode Fiber SMF Optic Transceiver - 40GbE LC 10km - 1270nm-1330nm - DDM Cisco Firepower, ASR1000 (QSFP40GLR4ST) QSFP-40G-LR4 Single DR538 Fine-tune individual fan settings simply100% CISCO QSFP 40G LR4 COMPATIBLE: Works with Cisco switches like Firepower, ASR1000, ASR9000, C9300, C3850 and others TECHNICAL SPECS: 40GBASE LR4 40 Gbps Single Mode (SMF) LC Connector 1270nm to 1330nm Digital Diagnostic Monitoring (DDM) Distances up to 10km (6. 2mi) TESTED FOR OEM HOST COMPATIBILITY: Hot swappable in Cisco routers and switches; DDM support reports the transceiver's status to most SNMP network management tools OUTSTANDING SUPPORT: