{"product_id":"100gbase-sr4-qsfp28-850nm-optical-transceiver-low-power-3-5w","title":"100GBASE-SR4 QSFP28 850nm Optical Transceiver - Low Power 3.5W","description":"\u003cp\u003eIn this review of the 100GBASE-SR4 QSFP28 850nm optical transceiver the bottom line is simple: this module is for network engineers and data center operators who need a reliable, low-power 100G short-reach link compatible with many platforms. The reviewer found it performs as expected for campus and enterprise core layers, is hot-pluggable, and keeps power consumption down to about 3.5W. If you need a straightforward, standards-compliant QSFP28 module that works across vendors, this review explains why it is worth considering.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003e100G Rate:\u003c\/strong\u003e Delivers a full 100 gigabit per second link suitable for aggregation and server uplinks in modern networks.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eLC Connector:\u003c\/strong\u003e Uses LC duplex fiber terminations for common multimode fiber patching and easy integration with existing trunks.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eDDM Monitoring:\u003c\/strong\u003e Supports digital diagnostics monitoring so operators can track optical power and module status in real time.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eLow Power:\u003c\/strong\u003e Consumes approximately 3.5W, helping reduce rack power and cooling needs in dense deployments.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eWide Compatibility:\u003c\/strong\u003e Stated compatibility with 200+ vendors makes it a practical replacement or spare for mixed-vendor environments.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eHot Pluggable:\u003c\/strong\u003e QSFP28 MSA compliance allows insertion and removal without shutting down connected equipment for minimal downtime.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis transceiver is aimed at campus networks, data centers, and enterprise core layers that require short-reach 100G links over multimode fiber. It is a solid choice for network admins who need a low-power, vendor-compatible QSFP28 module for aggregation, spine-leaf links or server uplinks.\u003c\/p\u003e\n\u003cp\u003eOrganizations that need extended reach singlemode optics or integrated active optical cable assemblies should look elsewhere, since this module is an SR4 850nm multimode part designed for short distances up to about 100m on suitable multimode fiber.\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-based 100G QSFP28 form factor provides predictable interoperability when deployed correctly.\u003c\/li\u003e\n \u003cli\u003eLow power consumption of roughly 3.5W reduces operating costs in dense racks.\u003c\/li\u003e\n \u003cli\u003eDDM support offers useful real-time telemetry for troubleshooting and link management.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003eLimited to short-reach 850nm multimode links, so it is not suitable for long-haul or singlemode links.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n\u003ctd\u003eRate\u003c\/td\u003e\n\u003ctd\u003e100G\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eForm Factor\u003c\/td\u003e\n\u003ctd\u003eQSFP28 (hot pluggable)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eWavelength\u003c\/td\u003e\n\u003ctd\u003e850nm\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eConnector\u003c\/td\u003e\n\u003ctd\u003eLC\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eApproximately 3.5W\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMonitoring\u003c\/td\u003e\n\u003ctd\u003eDDM (digital diagnostics)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003eCompatible with 200+ vendors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThis QSFP28 100GBASE-SR4 module is a pragmatic choice for anyone needing short-reach 100G multimode links in campus or data center core networks. It offers \u003cstrong\u003elow power\u003c\/strong\u003e, vendor compatibility, and basic diagnostics at a reasonable value, making it a dependable spare or replacement for mixed-vendor environments.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIs this module hot pluggable?\u003c\/strong\u003e\u003cbr\u003eYes, it is a hot-pluggable QSFP28 MSA-compliant transceiver designed for insertion and removal without powering down the host.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat fiber and reach does it support?\u003c\/strong\u003e\u003cbr\u003eIt uses 850nm multimode optics for short-reach links, typically up to about 100m on compatible multimode fiber.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it provide diagnostic monitoring?\u003c\/strong\u003e\u003cbr\u003eYes, the module supports DDM so you can monitor optical power and module parameters remotely.\u003c\/p\u003e","brand":"QSFPTEK","offers":[{"title":"Default Title","offer_id":48188036874459,"sku":"B0B4556KWJ","price":45.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/518BwrfO78L._AC_SL1500.jpg?v=1769655607","url":"https:\/\/gearmusthave.com\/products\/100gbase-sr4-qsfp28-850nm-optical-transceiver-low-power-3-5w","provider":"GearMustHave","version":"1.0","type":"link"}