{"product_id":"c3850-nm-2-40g-cisco-catalyst-3850-2x-40g-qsfp-network-module-refurbished","title":"Cisco C3850-NM-2-40G Catalyst 3850 Network Module — 2x 40G QSFP+, for 24XS, 24XU and 12X48U, Refurbished","description":"\u003cp\u003e\u003cstrong\u003eTwo 40G uplinks for a Catalyst 3850 — but only three 3850 models take it\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCisco C3850-NM-2-40G — Catalyst 3850 network module, 2x 40G QSFP+\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"border-left: 3px solid #1e8f5e; background: #f7f8fa; padding: 10px 14px; margin: 14px 0;\"\u003e→ \u003cstrong\u003eSupported on three models only.\u003c\/strong\u003e Cisco lists the C3850-NM-2-40G for the WS-C3850-24XS, WS-C3850-24XU and WS-C3850-12X48U. It is not supported on the 48T, 48P, 48U or 12XS. Check your switch before ordering.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e C3850-NM-2-40G\u003cbr\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e C3850-NM-2-40G-R\u003cbr\u003e\u003cstrong\u003eDescription:\u003c\/strong\u003e Catalyst 3850 network module with two 40G QSFP+ slots\u003c\/p\u003e\n\u003cp\u003eThis hot-swappable module adds two 40G QSFP+ uplink ports to a supported Catalyst 3850. It is the fastest uplink option in the 3850 family.\u003c\/p\u003e\n\u003cp\u003eOn a standard 24- or 48-port gigabit 3850, the supported 10G modules are the C3850-NM-2-10G and C3850-NM-4-10G.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eWhich One Do I Need?\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eYour switch\u003c\/th\u003e\n\u003cth\u003eSupported 40G module?\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eWS-C3850-24XS, WS-C3850-24XU, WS-C3850-12X48U\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003eYes — C3850-NM-2-40G\u003c\/strong\u003e, this listing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWS-C3850-48T \/ 48P \/ 48U \/ 48F\u003c\/td\u003e\n\u003ctd\u003eNo — use C3850-NM-4-10G or C3850-NM-2-10G\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWS-C3850-12XS\u003c\/td\u003e\n\u003ctd\u003eNo — Cisco lists C3850-NM-4-10G only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWS-C3850-48XS\u003c\/td\u003e\n\u003ctd\u003eNo module slot (fixed uplinks)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003eC3850-NM-2-40G\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePorts\u003c\/td\u003e\n\u003ctd\u003e2x 40G QSFP+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHot-swap\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupported switches\u003c\/td\u003e\n\u003ctd\u003eWS-C3850-12X48U, WS-C3850-24XU, WS-C3850-24XS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCondition\u003c\/td\u003e\n\u003ctd\u003eRefurbished\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003eLifetime, backed by Resilient Tec\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cem\u003eSource: \u003ca href=\"https:\/\/www.cisco.com\/c\/en\/us\/products\/collateral\/switches\/catalyst-3850-series-switches\/datasheet_c78-720918.html\" target=\"_blank\" rel=\"noopener\"\u003eCisco Catalyst 3850 Series data sheet\u003c\/a\u003e and the \u003ca href=\"https:\/\/www.cisco.com\/c\/en\/us\/td\/docs\/switches\/lan\/catalyst3850\/hardware\/installation\/guide\/b_c3850_hig\/m_install_netmod.html\" target=\"_blank\" rel=\"noopener\"\u003eCatalyst 3850 hardware installation guide (network modules)\u003c\/a\u003e.\u003c\/em\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eGood to Know\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptics separate.\u003c\/strong\u003e The QSFP+ slots ship empty; order 40G optics or DACs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWrong switch, no link.\u003c\/strong\u003e Installing this module in an unsupported 3850 is the most common mistake with this part.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eQuick Checklist — Is This the Right Module?\u003c\/h2\u003e\n\u003cp\u003eYour switch is a WS-C3850-24XS, WS-C3850-24XU or WS-C3850-12X48U. You need two 40G QSFP+ uplinks.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eAvailability\u003c\/h2\u003e\n\u003cp style=\"border-left: 3px solid #1e8f5e; background: #f7f8fa; padding: 10px 14px; margin: 14px 0;\"\u003e\u003cstrong\u003eRefurbished and tested · Ships from Resilient Tec in Knoxville, TN · Free standard shipping on US orders.\u003c\/strong\u003e\u003cbr\u003eWe confirm stock and lead time with you before an order ships. Need several, or a matching set? \u003ca href=\"\/pages\/request-a-quote\"\u003e\u003cstrong\u003eRequest a quote →\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWarranty:\u003c\/strong\u003e lifetime, \u003ca href=\"\/pages\/lifetime-warranty\"\u003ebacked by Resilient Tec\u003c\/a\u003e — not a manufacturer term. When something fails you reach a named seller in the US, not a ticket queue.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eYou Might Also Need\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/cisco-qsfp-40g-sr4-40gbase-sr4-qsfp-transceiver-new\"\u003eCisco QSFP-40G-SR4\u003c\/a\u003e — 40G multimode optic\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/ws-c3850-24xs-e-cisco-catalyst-3850-e-series-24-port-sfp-ip-services-switch-refurbished\"\u003eCisco WS-C3850-24XS-E\u003c\/a\u003e — a switch that takes this module\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/c3850-nm-4-1g-cisco-3850-series-4-x-1g-network-module-c3850-nm-4-1g-ref\"\u003eC3850-NM-4-1G\u003c\/a\u003e — 1G module for gigabit 3850s\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eRelated Guides\u003c\/h2\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/network-switches-guide\"\u003eNetwork Switches Guide\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/cisco-catalyst-switches-interconnects\"\u003eCisco Catalyst Switches and Interconnects\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/optical-transceivers-guide\"\u003eOptical Transceivers Guide\u003c\/a\u003e\u003c\/p\u003e","brand":"Cisco","offers":[{"title":"Default Title","offer_id":68148499087460,"sku":"C3850-NM-2-40G-R","price":792.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/3482\/4548\/files\/C3850-NM-2-40G_1.jpg?v=1794517572","url":"https:\/\/resilient-tec.com\/products\/c3850-nm-2-40g-cisco-catalyst-3850-2x-40g-qsfp-network-module-refurbished","provider":"Resilient Tec","version":"1.0","type":"link"}