{"title":"Cisco 25GB SFP28 Transceivers - Refurbished, Used, New","description":"\u003cp\u003eThis collection carries Cisco 25G SFP28 transceivers, in new and refurbished or used condition. Refurbished and used units are tested before they ship. The modules cover short-reach multimode links, 10 km and 40 km single-mode links, and a single-strand bidirectional option, and several are dual-rate parts that also run at 10G.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003ePart\u003c\/th\u003e\n\u003cth\u003eFiber and connector\u003c\/th\u003e\n\u003cth\u003eWavelength\u003c\/th\u003e\n\u003cth\u003eReach\u003c\/th\u003e\n\u003cth\u003eRates\u003c\/th\u003e\n\u003cth\u003eShop\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSFP-25G-SR-S\u003c\/td\u003e\n\u003ctd\u003eMultimode, duplex LC\u003c\/td\u003e\n\u003ctd\u003e850 nm\u003c\/td\u003e\n\u003ctd\u003e70 m OM3, 100 m OM4\u003c\/td\u003e\n\u003ctd\u003e25G\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"\/search?q=SFP-25G-SR-S\"\u003eShop\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSFP-10\/25G-CSR-S\u003c\/td\u003e\n\u003ctd\u003eMultimode, duplex LC\u003c\/td\u003e\n\u003ctd\u003e850 nm\u003c\/td\u003e\n\u003ctd\u003e300 m OM3, 400 m OM4 at 25G\u003c\/td\u003e\n\u003ctd\u003e10G and 25G\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"\/search?q=SFP-10\/25G-CSR-S\"\u003eShop\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSFP-10\/25G-LR-S\u003c\/td\u003e\n\u003ctd\u003eSingle-mode, duplex LC\u003c\/td\u003e\n\u003ctd\u003e1310 nm\u003c\/td\u003e\n\u003ctd\u003e10 km\u003c\/td\u003e\n\u003ctd\u003e10G and 25G\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"\/search?q=SFP-10\/25G-LR-S\"\u003eShop\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSFP-10\/25G-LR-I\u003c\/td\u003e\n\u003ctd\u003eSingle-mode, duplex LC\u003c\/td\u003e\n\u003ctd\u003e1310 nm\u003c\/td\u003e\n\u003ctd\u003e10 km\u003c\/td\u003e\n\u003ctd\u003e10G and 25G\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"\/search?q=SFP-10\/25G-LR-I\"\u003eShop\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSFP-10\/25G-BXD-I\u003c\/td\u003e\n\u003ctd\u003eSingle-mode, single strand\u003c\/td\u003e\n\u003ctd\u003eTransmit 1330 nm, receive 1270 nm\u003c\/td\u003e\n\u003ctd\u003e10 km\u003c\/td\u003e\n\u003ctd\u003e10G and 25G\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"\/search?q=SFP-10\/25G-BXD-I\"\u003eShop\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSFP-25G-ER-I\u003c\/td\u003e\n\u003ctd\u003eSingle-mode, duplex LC\u003c\/td\u003e\n\u003ctd\u003e1310 nm\u003c\/td\u003e\n\u003ctd\u003e40 km\u003c\/td\u003e\n\u003ctd\u003e25G\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"\/search?q=SFP-25G-ER-I\"\u003eShop\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelated Cisco\u003c\/td\u003e\n\u003ctd\u003e\n\u003ca href=\"\/collections\/cisco-transceiver-module\"\u003eCisco Transceiver GLC SFP SFP+ CFP QSFP X2 Modules\u003c\/a\u003e, \u003ca href=\"\/collections\/cisco-cvr-adapters-refurbished-used-new\"\u003eCisco CVR Port Converters and Adapters\u003c\/a\u003e, \u003ca href=\"\/collections\/cisco-switches-routers-firewalls-refurbished\"\u003eCisco Switches, Routers and Firewalls\u003c\/a\u003e\n\u003c\/td\u003e\n\u003ctd\u003eSee each page\u003c\/td\u003e\n\u003ctd\u003eSee each page\u003c\/td\u003e\n\u003ctd\u003eSee each page\u003c\/td\u003e\n\u003ctd\u003eSee each page\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eWhich 25G SFP28 do I need?\u003c\/h2\u003e\n\u003cp\u003eStart with the fiber already in place. For multimode runs inside a rack row or server room, the SFP-25G-SR-S covers up to 100 m on OM4. The SFP-10\/25G-CSR-S reaches further, up to 400 m on OM4, and also runs at 10G, which helps when one end of the link is still a 10G port. For single-mode runs up to 10 km, the SFP-10\/25G-LR-S is the standard choice. The \"-I\" parts carry Cisco's industrial temperature rating: the SFP-10\/25G-LR-I for 10 km, and the SFP-25G-ER-I for links up to 40 km.\u003c\/p\u003e\n\u003ch3\u003eDoes the host port need FEC?\u003c\/h3\u003e\n\u003cp\u003eOften, yes. Cisco states that the SFP-25G-SR-S needs RS-FEC on the host port, and that the SFP-10\/25G-LR-S, SFP-10\/25G-LR-I, SFP-10\/25G-BXD-I and SFP-25G-ER-I need RS-FEC at 25G to reach their full rated distance. Without RS-FEC, Cisco gives shorter reaches for the LR-I and BXD-I. The CSR-S does not need FEC at 10G. Check that the switch port has RS-FEC enabled before you deploy.\u003c\/p\u003e\n\u003ch3\u003eHow does the BXD-I work?\u003c\/h3\u003e\n\u003cp\u003eThe SFP-10\/25G-BXD-I sends and receives over a single strand of single-mode fiber. Cisco specifies that it always pairs with an SFP-10\/25G-BXU-I at the other end of the link, so order the matching module for the far side.\u003c\/p\u003e\n\u003cp\u003eNetworkTigers has supplied enterprise networking equipment since 1996, and every purchase carries a 365-day warranty. For quantity pricing, \u003ca href=\"\/pages\/ask-for-quote\"\u003eask us for a quote\u003c\/a\u003e.\u003c\/p\u003e\n","products":[{"product_id":"sfp-25g-sr-s-cisco-sfp28","title":"Cisco SFP-25G-SR-S 25GB BASE-SR 850nm Short Reach MMF LC SFP28 Transceiver","description":"\u003cp\u003eThe Cisco SFP-25G-SR-S is a high-performance 25GB BASE-SR transceiver designed to deliver reliable and efficient connectivity for short reach multimode fiber (MMF) networks. With its advanced features and industry-leading technology, this SFP28 module ensures seamless data transfer over distances of up to 100 meters.\u003c\/p\u003e\r\n\r\n\u003cp\u003eOperating at the widely used wavelength of 850nm, this transceiver guarantees optimal performance in modern network environments. It supports various protocols such as Ethernet, Fibre Channel, and InfiniBand with speeds ranging from 1 Gbps to 26 Gbps.\u003c\/p\u003e \r\n\r\n\u003cp\u003eCisco SFP-25G-SR-S: 25GBASE-SR SFP28 Module for MMF.\u003c\/p\u003e","brand":"Cisco","offers":[{"title":"Default Title","offer_id":32493050626128,"sku":"NSH-6533","price":133.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0989\/9318\/products\/cisco-SFP-25G-SR-S_6bc960a5-2537-4160-9477-46bee42f0e0a.jpg?v=1680599644"},{"product_id":"sfp-1025g-lr-s-cisco-sfp28","title":"Cisco SFP-10\/25G-LR-S 25GB BASE-LR 1310nm SMF Optical SFP28 Transceiver","description":"\u003cp\u003eThe Cisco SFP-10\/25G-LR-S is a 25GB BASE-LR optical transceiver for seamless connectivity in data center networks. It operates at a wavelength of 1310nm over single-mode fiber (SMF) cables, ensuring long-distance transmission up to 10 kilometers.\u003c\/p\u003e\r\n\r\n\u003cp\u003eThis hot-pluggable SFP28 module offers excellent performance with minimal power consumption, making it ideal for high-density deployments that require low latency and enhanced network capacity.\u003c\/p\u003e\r\n\r\n\u003cp\u003eWith its compact size and advanced features like Digital Optical Monitoring (DOM), the Cisco SFP-10\/25G-LR-S enables easy installation, monitoring, configuration, and troubleshooting within your network infrastructure.\u003c\/p\u003e","brand":"Cisco","offers":[{"title":"Default Title","offer_id":39753338585263,"sku":"NSB-6672","price":606.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0989\/9318\/files\/cisco-SFP-1025G-LR-S-2_d0bff1ff-1148-4b57-8fcd-d53a188b891e.jpg?v=1793402790"},{"product_id":"sfp-1025g-csr-s-cisco-sfp28","title":"Cisco SFP-10\/25G-CSR-S 25GB BASE-CSR 850nm Short Reach MMF SFP28 Transceiver","description":"\u003cp\u003eThe Cisco SFP-10\/25G-CSR-S is a 25GB BASE-CSR transceiver designed for short reach applications using Multimode Fiber (MMF) technology. Operating at an 850nm wavelength, it provides reliable and high-performance connectivity within data center environments.\u003c\/p\u003e\r\n\r\n\u003cp\u003eWith its compact form factor and industry-standard interface, the SFP28 Transceiver seamlessly integrates with various networking devices such as switches, routers, and servers. It supports both Ethernet and Fibre Channel protocols up to speeds of 25Gbps.\u003c\/p\u003e\r\n\r\n\u003cp\u003eCisco SFP-10\/25G-CSR-S: Dual Rate 10\/25GBASE-CSR SFP Module.\u003c\/p\u003e","brand":"Cisco","offers":[{"title":"Default Title","offer_id":41035808964783,"sku":"NSB-6673","price":196.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0989\/9318\/products\/cisco-SFP-1025G-CSR-S_cd295fcd-46a5-46a5-8a60-a585829c09b5.jpg?v=1680599073"},{"product_id":"sfp-25g-sr-s-cisco-sfp28-new","title":"NEW Cisco SFP-25G-SR-S 25GB BASE-SR 850nm Short Reach MMF SFP28 Transceiver","description":"\u003cp\u003eThe Cisco SFP-25G-SR-S is a 25GB BASE-SR transceiver for short-reach connections over multimode fiber (MMF). With an operating wavelength of 850nm, this SFP28 module enables high-speed data transmission with exceptional reliability. Easy installation into compatible networking devices.\u003c\/p\u003e\r\n\r\n\u003cp\u003eSupports up to 70 meters optical link length on OM3 MMF and up to 100 meters on OM4 MMF. It ensures seamless compatibility with other IEEE standards-based devices, providing flexibility in network design.\u003c\/p\u003e\r\n\r\n\u003cp\u003eLow power consumption while maintaining optimal signal integrity.\u003c\/p\u003e","brand":"Cisco","offers":[{"title":"Default Title","offer_id":41820854124719,"sku":"NSN-5789","price":292.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0989\/9318\/files\/cisco-SFP-25G-SR-S-new.jpg?v=1720391766"},{"product_id":"sfp-1025g-lr-s-cisco-sfp28-new","title":"NEW Cisco SFP-10\/25G-LR-S 25GB BASE-LR 1310nm SMF Optical SFP28 Transceiver","description":"\u003cp\u003eThe NEW Cisco SFP-10\/25G-LR-S is a 25GB BASE-LR optical transceiver for seamless connectivity in data center networks. It operates at a wavelength of 1310nm over single-mode fiber (SMF) cables, ensuring long-distance transmission up to 10 kilometers.\u003c\/p\u003e\r\n\r\n\u003cp\u003eThis hot-pluggable SFP28 module offers excellent performance with minimal power consumption, making it ideal for high-density deployments that require low latency and enhanced network capacity.\u003c\/p\u003e\r\n\r\n\u003cp\u003eWith its compact size and advanced features like Digital Optical Monitoring (DOM), the Cisco SFP-10\/25G-LR-S enables easy installation, monitoring, configuration, and troubleshooting within your network infrastructure.\u003c\/p\u003e\r\n\r\n\u003cp\u003eNEW Cisco SFP-10\/25G-LR-S 25GB BASE-LR 1310nm SMF Optical SFP28 Transceiver\u003c\/p\u003e","brand":"Cisco","offers":[{"title":"Default Title","offer_id":45075582910639,"sku":"NSN-0702","price":919.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0989\/9318\/files\/cisco-SFP-1025G-LR-S_3c403b0a-50ee-47a2-8ace-ca2a77099433.jpg?v=1793302871"},{"product_id":"sfp-1025g-csr-s-cisco-sfp28-new","title":"NEW Cisco SFP-10\/25G-CSR-S 25GB BASE-CSR 850nm Short Reach MMF SFP28 Transceiver","description":"\u003cp\u003eThe NEW Cisco SFP-10\/25G-CSR-S is a 25GB BASE-CSR transceiver designed for short reach applications using Multimode Fiber (MMF) technology. Operating at an 850nm wavelength, it provides reliable and high-performance connectivity within data center environments.\u003c\/p\u003e\r\n\r\n\u003cp\u003eWith its compact form factor and industry-standard interface, the SFP28 Transceiver seamlessly integrates with various networking devices such as switches, routers, and servers. It supports both Ethernet and Fibre Channel protocols up to speeds of 25Gbps.\u003c\/p\u003e\r\n\r\n\u003cp\u003eNEW Cisco SFP-10\/25G-CSR-S 25GB BASE-CSR 850nm Short Reach MMF SFP28 Transceiver\u003c\/p\u003e","brand":"Cisco","offers":[{"title":"Default Title","offer_id":45075583041711,"sku":"NSN-0704","price":204.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0989\/9318\/files\/cisco-SFP-1025G-CSR-S-new.jpg?v=1744904758"},{"product_id":"sfp-25g-er-i-cisco-sfp28","title":"Cisco SFP-25G-ER-I 25GB BASE-ER 1310nm SMF LC Industrial Temp SFP28 Transceiver","description":"\u003cp\u003eCisco SFP-25G-ER-I is a 25 Gbps SFP28 transceiver module manufactured by Cisco. It operates over single-mode fiber using a wavelength of 1310 nm and supports LC duplex connectors.\u003c\/p\u003e\r\n\r\n\u003cp\u003eThis transceiver supports distances up to 40 km on standard SMF, making it suitable for long-range data transmission in compatible network equipment offering SFP28 ports. The unit conforms to the ER (Extended Reach) specification under IEEE standards and does not include digital diagnostic monitoring or tunable features. Power type is host-powered via the connected device’s port interface; no external mounting style applies.\u003c\/p\u003e\r\n\r\n\u003cp\u003eCisco SFP-25G-ER-I: 25GBASE-ER SFP28 Module for SMF, Industrial Temp \u003c\/p\u003e","brand":"Cisco","offers":[{"title":"Default Title","offer_id":46500374872239,"sku":"NSB-2490","price":207.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0989\/9318\/files\/cisco-SFP-25G-ER-I.jpg?v=1768824516"},{"product_id":"sfp-1025g-lr-i-cisco-sfp28","title":"Cisco SFP-10\/25G-LR-I 25GB\/50GB BASE-LR 1310nm 10km SMF SFP28 Transceiver","description":"\u003cp\u003eThe Cisco SFP-10\/25G-LR-I is a hot-swappable transceiver module from Cisco in the SFP28 form factor. It supports transmission speeds of 25 Gbps and 50 Gbps over single-mode fiber using a wavelength of 1310 nm, with dual LC\/PC connectors for up to 10 km reach.\u003c\/p\u003e\r\n\r\n\u003cp\u003eThis transceiver operates on SMF cabling and uses long-range (LR) optics suitable for extended links between switches or routers within data centers or enterprise backbones. The unit connects via duplex LC interfaces and complies with IEEE standards where applicable. Its industrial temperature range variant allows deployment in environments requiring durability beyond standard commercial specifications. Power type depends on host system integration; cooling is typically passive through chassis airflow based on switch design constraints.\u003c\/p\u003e\r\n\r\n\u003cp\u003eCisco SFP-10\/25G-LR-I: 10\/25GBASE-LR SFP28 Module for SMF, Industrial Temp\u003c\/p\u003e","brand":"Cisco","offers":[{"title":"Default Title","offer_id":46568516157615,"sku":"NSB-2483","price":439.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0989\/9318\/files\/cisco-SFP-1025G-LR-I.jpg?v=1771246164"},{"product_id":"sfp-1025g-bxd-i-cisco-sfp28","title":"Cisco SFP-10\/25G-BXD-I 25GB\/50GB BASE-BR 1270nm 10km SMF SFP28 Transceiver","description":"\u003cp\u003eThe Cisco SFP-10\/25G-BXD-I is a bidirectional transceiver module manufactured by Cisco. It uses the SFP28 form factor and supports 10 Gbps or 25 Gbps data transmission rates over single-mode fiber (SMF) using LC connectors.\u003c\/p\u003e\r\n\r\n\u003cp\u003eThis module operates with a wavelength of 1330 nm for transmit and 1270 nm for receive, supporting distances up to 10 km. It is designed for use in industrial temperature environments and requires operation alongside its complementary pair, such as the SFP-10\/25G-BXU-I. Compatible with standard compliant networking equipment that includes an appropriate SFP28 port, it fits into front-panel ports without additional mounting hardware requirements. Power type follows conventional hot-pluggable standards used across compatible switch models from Cisco’s product line.\u003c\/p\u003e\r\n\r\n\u003cp\u003eCisco SFP-10\/25G-BXD-I: 10\/25GBASE-BR SFP28 Bidi module for SMF, Industrial Temp, Downstream\u003c\/p\u003e","brand":"Cisco","offers":[{"title":"Default Title","offer_id":46694058164399,"sku":"NSB-2488","price":764.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0989\/9318\/files\/cisco-SFP-1025G-BXD-I.jpg?v=1774117054"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0989\/9318\/collections\/cisco-SFP-25G-SR-S_6bc960a5-2537-4160-9477-46bee42f0e0a.jpg?v=1794740066","url":"https:\/\/www.networktigers.com\/collections\/cisco-sfp28-25gb-transceivers-refurbished-used-new.oembed","provider":"NetworkTigers","version":"1.0","type":"link"}