{"product_id":"40gbase-lr4-qsfp-optical-transceiver-module-reliable-10km-link-high","title":"40GBASE-LR4 QSFP+ Optical Transceiver Module - Reliable 10km Link high","description":"\u003cp\u003eIn this review the 40GBASE-LR4 QSFP+ Optical Transceiver Module is evaluated for network engineers and IT teams who need a reliable 40G single-mode fiber link up to 10km. The bottom line: this module is best for environments that require standards compliance and real-time diagnostics, because it combines a built-in high performance chip, \u003cstrong\u003ereal time digital optical monitoring\u003c\/strong\u003e and tested EEPROM compatibility to work with a variety of switches. It is a practical, cost-conscious alternative for installations that demand IEEE-compliant 40G LR4 performance without vendor lock-in.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e40GBASE-LR4 QSFP+:\u003c\/strong\u003e Provides a 40G single-mode duplex LC interface suitable for 10km links over SMF for backbone and aggregation use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-in high performance chip:\u003c\/strong\u003e Improves signal integrity and helps maintain stable links under typical data center loads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReal time digital optical monitoring:\u003c\/strong\u003e Offers live diagnostic data for transmit power, receive power and temperature to simplify troubleshooting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEEPROM compatibility lab tested:\u003c\/strong\u003e EEPROM coding and writing are validated against targeted switch devices to reduce interoperability issues.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow power consumption:\u003c\/strong\u003e Max power draw of 3.5W helps limit heat and power budget impact in high-density deployments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandards compliant form factor:\u003c\/strong\u003e Hot-pluggable QSFP+ module meets SFF-8436, QSFP MSA and 40GBASE-LR4 expectations for broad compatibility.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis module is aimed at network administrators, system integrators and data center operators who need an affordable 40G LR4 transceiver that works across multiple switch vendors. It is particularly useful where live diagnostics and proven EEPROM coding reduce deployment time and support troubleshooting in mixed-vendor racks.\u003c\/p\u003e\n\u003cp\u003eThose who should look elsewhere include users requiring extended temperature ranges beyond commercial 0 to 70C or those who need proprietary vendor-only optics with guaranteed OEM support contracts; this module is designed for standard commercial environments rather than specialized extreme conditions.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eStandards-compliant QSFP+ LR4 design supports 40GBASE-LR4 and works with many switches.\u003c\/li\u003e\n\u003cli\u003eBuilt-in \u003cstrong\u003edigital optical monitoring\u003c\/strong\u003e gives clear diagnostic visibility for maintenance.\u003c\/li\u003e\n\u003cli\u003eTested EEPROM compatibility reduces interoperability headaches during rollouts.\u003c\/li\u003e\n\u003cli\u003eLow maximum power consumption of 3.5W minimizes heat and power requirements.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCommercial temperature range (0 to 70C) may not suit extreme outdoor or industrial deployments.\u003c\/li\u003e\n\u003cli\u003eNot an OEM-branded transceiver for organizations that require vendor-specific lifecycle support.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eForm factor\u003c\/td\u003e\n\u003ctd\u003eQSFP+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandard\u003c\/td\u003e\n\u003ctd\u003e40GBASE-LR4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWavelength\u003c\/td\u003e\n\u003ctd\u003e1310nm (4 CWDM lanes)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum reach\u003c\/td\u003e\n\u003ctd\u003e10km over single-mode fiber\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax power consumption\u003c\/td\u003e\n\u003ctd\u003e3.5W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature range\u003c\/td\u003e\n\u003ctd\u003eCommercial 0 to 70C (32 to 158F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompliance\u003c\/td\u003e\n\u003ctd\u003eSFF-8436, QSFP MSA, IEEE 802.3ba, ROHS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe 40GBASE-LR4 QSFP+ Optical Transceiver is a pragmatic choice for teams that need a standards-compliant 40G LR4 module with solid diagnostics and validated EEPROM compatibility. It delivers strong value for data center aggregation and backbone links up to 10km, provided your environment falls within the commercial temperature range and you do not require OEM lifecycle support.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIs this module compatible with multiple switch brands?\u003c\/strong\u003e\u003cbr\u003eYes. The module is tested in targeted switch devices and the vendor maintains compatibility lab facilities to meet EEPROM coding requirements for broad interoperability.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat monitoring features are available?\u003c\/strong\u003e\u003cbr\u003eIt includes built-in real time digital optical monitoring for transmit power, receive power and temperature to aid diagnostics.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow far can this module transmit?\u003c\/strong\u003e\u003cbr\u003eIt supports 40GBASE-LR4 links up to 10km over single-mode fiber with duplex LC connectors.\u003c\/p\u003e","brand":"Fiber-Store","offers":[{"title":"Default Title","offer_id":48656071196891,"sku":"B09RZG2SSY","price":219.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/41JIbrlSuLL._SL1020.jpg?v=1778548405","url":"https:\/\/gearmusthave.com\/products\/40gbase-lr4-qsfp-optical-transceiver-module-reliable-10km-link-high","provider":"GearMustHave","version":"1.0","type":"link"}