10 Gbps | Single Mode Fiber | LC | 40 km (24.8 mi) | Lifetime WarrantyThe 10G-SFPP-BXD-40K-ST is a Brocade 10G-SFPP-BXD-40K compatible downstream fiber SFP transceiver which pairs with StarTech.com's 10G-SFPP-BXU-40K-ST. They are designed, programmed and tested to work with 10GBASE-BX compatible Brocade switches and routers. The SFP+ transceiver module supports a maximum distance of up to 40 km (24.8 mi) and delivers dependable 10 GbE connectivity over fiber cabling.Technical Specifications:• Wavelength: 1330nmTx/1270nmRx• Maximum Data Transfer Rate: 10Gbps• Type: Single Mode Fiber• Connection Type: LC Connector• Maximum Transfer Distance: 40 km (24.8 mi)• MTBF: 646,156,559 hours• Power Consumption:• DDM: YesThis SFP+ fiber module is hot-swappable, making upgrades and replacements seamless by minimizing network disruptions.StarTech.com SFPsAll StarTech.com SFP & SFP+ transceiver modules are backed by a lifetime warranty and free lifetime multilingual technical support. StarTech.com offers a wide variety of SFP modules and direct-attach SFP Cables, providing the convenience and reliability you need to ensure dependable network performance.The StarTech.com Advantage