{"product_id":"25g-sfp28-module-25gbase-lr-lc-single-mode-transceiver-10km-range","title":"25G SFP28 Module 25GBASE-LR LC Single-Mode Transceiver - 10km Range","description":"\u003cp\u003eIn this review the QSFPTEK 25G SFP28 Module is evaluated as a practical, cost-conscious option for data center and telecom engineers who need reliable 25GBASE connectivity. The single biggest reason to buy is its straightforward compatibility with Arista Networks SFP-25G-LR ports and the promise of tested, hot-pluggable performance that reaches up to 10km over single-mode fiber. For teams replacing or scaling 25G ethernet links, this transceiver offers a dependable, standards-compliant choice without unnecessary complexity.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Works with Arista Networks SFP-25G-LR ports, making it easy to swap modules in mixed environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e25G Performance:\u003c\/strong\u003e Supports 25Gb\/s data rate with a 1310nm wavelength, providing a full 25GBASE Ethernet option for switches, NICs, and routers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e10km Reach:\u003c\/strong\u003e Single-mode LC duplex connector delivers up to 10km reach, suitable for many metro and data center interconnects.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMonitoring:\u003c\/strong\u003e Built-in DDM lets administrators read Tx\/Rx and other diagnostics to spot issues before they become failures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Range:\u003c\/strong\u003e Rated for 0C to 70C operation and tested for Tx power and Rx sensitivity to fit common equipment environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlug and Play:\u003c\/strong\u003e Hot-pluggable SFP28 form factor simplifies upgrades and replacement without downtime for many deployments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis module is best for network engineers, data center operators, and telecommunications teams who need a standards-compliant 25G SFP28 transceiver for aggregation or server connectivity. It is particularly useful where compatibility with Arista SFP-25G-LR is required and where a 10km single-mode link is the target.\u003c\/p\u003e\n\u003cp\u003eThose who should look elsewhere include users needing multimode fiber support, links longer than 10km, or modules rated for extreme temperatures below 0C. Buyers requiring vendor-specific firmware locking or proprietary modules should verify compatibility first.\u003c\/p\u003e\n\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSolid 25Gb\/s throughput with 1310nm optics for standard 25GBASE Ethernet deployments.\u003c\/li\u003e\n\u003cli\u003eDDM support provides useful diagnostics for maintaining link health.\u003c\/li\u003e\n\u003cli\u003eHot-pluggable LC form factor and broad device compatibility simplify installation and replacement.\u003c\/li\u003e\n\u003cli\u003eIndividually tested before shipping gives confidence in out-of-box operation.\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 single-mode fiber and 10km reach, so it is not suitable for multimode short-reach needs or longer metro links.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eData Rate\u003c\/td\u003e\n\u003ctd\u003e25Gb\/s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWavelength\u003c\/td\u003e\n\u003ctd\u003e1310nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReach\u003c\/td\u003e\n\u003ctd\u003eUp to 10km\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector\u003c\/td\u003e\n\u003ctd\u003eLC duplex\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDDM\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTx Power (dBm)\u003c\/td\u003e\n\u003ctd\u003e-7 to +2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0C to +70C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe QSFPTEK 25G SFP28 25GBASE-LR transceiver is a practical, no-frills module for anyone needing reliable 25G single-mode links up to 10km, especially in environments using Arista SFP-25G-LR ports. With DDM monitoring, tested quality control, and a broad compatibility stance, it delivers strong value for data center and telecom teams replacing or scaling 25G links, provided their network uses single-mode fiber and does not require longer reach.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWill this module work with Arista switches?\u003c\/strong\u003e\u003cbr\u003eYes, it is listed as compatible with Arista Networks SFP-25G-LR ports and is designed to plug into standard SFP28 ports.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow far can it transmit?\u003c\/strong\u003e\u003cbr\u003eThe transceiver supports up to 10km over single-mode fiber at 1310nm wavelength.\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 Tx power, Rx power, and other link parameters.\u003c\/p\u003e","brand":"QSFPTEK","offers":[{"title":"Default Title","offer_id":48245692694747,"sku":"B0912T9QXC","price":63.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/61tpVIGDOnL._AC_SL1500.jpg?v=1771072075","url":"https:\/\/gearmusthave.com\/products\/25g-sfp28-module-25gbase-lr-lc-single-mode-transceiver-10km-range","provider":"GearMustHave","version":"1.0","type":"link"}