{"product_id":"d-link-10-gigabit-ethernet-optical-transceiver-sfp-10gbase-sr","title":"D-Link 10 Gigabit Ethernet Optical Transceiver SFP+ - 10GBASE-SR","description":"\u003cp\u003eIn this review the D-Link DEM-431XT is judged as a straightforward way to add short-range fiber connectivity to switches that accept SFP+ modules. It is best for network administrators and small data centers that need reliable 10 Gbps links over multimode fiber without replacing existing switches. The bottom line: the DEM-431XT delivers industry-standard \u003cstrong\u003e10GBASE-SR\u003c\/strong\u003e performance in a compact, hot-pluggable package, making it a sensible pay-as-you-grow option when expanding fiber ports.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003e10G Ethernet:\u003c\/strong\u003e Certified for 10GBASE-SR to provide up to 10 Gbps short-range multimode fiber links for high-throughput segments.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e300 m reach:\u003c\/strong\u003e Supports multimode fiber connections up to 300 metres, sufficient for typical rack-to-rack and campus closet links.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eHot pluggable:\u003c\/strong\u003e The SFP+ form factor allows modules to be swapped while the switch remains powered, reducing maintenance downtime.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eDuplex LC connector:\u003c\/strong\u003e Uses standard Duplex LC connectors for broad compatibility with existing multimode fiber cabling.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eMSA compliant:\u003c\/strong\u003e Multiple Source Agreement compliance increases the chance it will interoperate with other vendors equipment.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eRoHS compliant:\u003c\/strong\u003e Built to meet hazardous substance restrictions for safer sourcing and disposal.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe DEM-431XT is aimed at network engineers, IT managers, and small to medium sized deployments that already have SFP+ capable switches and want to enable fiber links selectively. It is particularly useful when adding 10 Gbps trunking between closets or linking servers in short-distance topologies.\u003c\/p\u003e\n\u003cp\u003eIt is not for users who need single-mode long-haul optics or integrated transceivers for non-SFP+ ports; organizations requiring exotic wavelength tuning, extended temperature models, or vendor-locked proprietary modules should consider other options.\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\u003eProvides certified \u003cstrong\u003e10GBASE-SR\u003c\/strong\u003e performance for short-range multimode fiber at up to 300 m.\u003c\/li\u003e\n \u003cli\u003eHot-pluggable SFP+ design makes upgrades and maintenance simple without powering down equipment.\u003c\/li\u003e\n \u003cli\u003eMSA compliance improves compatibility across different manufacturers equipment.\u003c\/li\u003e\n \u003cli\u003eCompact Duplex LC connector fits common fiber patching standards used in data centers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003eDesigned only for multimode short-range links, so it is not suitable for single-mode or long-distance runs.\u003c\/li\u003e\n \u003cli\u003eDoes not include detailed environmental ratings or extended temperature options for harsh sites.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n\u003ctd\u003eProduct\u003c\/td\u003e\n\u003ctd\u003eD-Link DEM-431XT SFP+\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eForm factor\u003c\/td\u003e\n\u003ctd\u003eEnhanced Small Form-Pluggable (SFP+)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eStandard\u003c\/td\u003e\n\u003ctd\u003e10GBASE-SR (IEEE certified)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMaximum speed\u003c\/td\u003e\n\u003ctd\u003e10 Gbps\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMaximum reach\u003c\/td\u003e\n\u003ctd\u003eUp to 300 metres on multimode fiber\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eConnector type\u003c\/td\u003e\n\u003ctd\u003eDuplex LC\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eCompliance\u003c\/td\u003e\n\u003ctd\u003eMSA compliant, RoHS compliant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe D-Link DEM-431XT is a pragmatic choice for teams that need to add short-range 10 Gbps fiber ports without replacing switches. Its compliance with \u003cstrong\u003e10GBASE-SR\u003c\/strong\u003e and MSA standards, combined with hot-pluggable convenience, makes it good value for typical rack and campus links; those needing long-distance single-mode optics or ruggedized modules should look elsewhere.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWill this module work in non-D-Link switches?\u003c\/strong\u003e\u003cbr\u003eYes, the DEM-431XT is MSA compliant and generally interoperable with other vendors equipment that accept standard SFP+ modules, though compatibility checks are recommended.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat fiber connector does it use?\u003c\/strong\u003e\u003cbr\u003eThe module uses a standard Duplex LC connector for multimode fiber patching.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow far can the link run?\u003c\/strong\u003e\u003cbr\u003eIt supports multimode fiber runs up to 300 metres for 10GBASE-SR links.\u003c\/p\u003e","brand":"D-Link","offers":[{"title":"Default Title","offer_id":48243311182043,"sku":"B005AS330Q","price":42.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/51xT4Axu9SL._AC_SL1000.jpg?v=1771061473","url":"https:\/\/gearmusthave.com\/products\/d-link-10-gigabit-ethernet-optical-transceiver-sfp-10gbase-sr","provider":"GearMustHave","version":"1.0","type":"link"}