{"title":"Juniper QFX5100 Switches","description":"\u003cp\u003eQFX5100-48S-AFO, QFX5100-48S-AFI, QFX5100-48S-3AFO, QFX5100-48T-AFI, QFX5100-96S-AFO, QFX5100-24Q-D-3AFI and the DC models below are the Juniper QFX5100 switches on this page. The QFX5100 is Juniper's 10GbE and 40GbE data center switch for leaf and spine roles: 48 SFP+ ports (48S), 48 10GBASE-T copper ports (48T) or 96 SFP+ ports (96S), each with 40GbE QSFP+ uplinks, or 24 QSFP+ ports with two expansion module slots (24Q). Buyers compare fiber or copper ports, airflow direction (AFO or AFI) and AC or DC power.\u003c\/p\u003e\u003ch2\u003eJuniper QFX5100 models we list\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003ePart number\u003c\/th\u003e\n\u003cth\u003ePorts\u003c\/th\u003e\n\u003cth\u003ePower\u003c\/th\u003e\n\u003cth\u003eAirflow\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eQFX5100-48S-AFO\u003c\/td\u003e\n\u003ctd\u003e48x 10GbE SFP+, 6x 40GbE QSFP+\u003c\/td\u003e\n\u003ctd\u003eAC\u003c\/td\u003e\n\u003ctd\u003eAir out (ports to power supplies and fans)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQFX5100-48S-AFI\u003c\/td\u003e\n\u003ctd\u003e48x 10GbE SFP+, 6x 40GbE QSFP+\u003c\/td\u003e\n\u003ctd\u003eAC\u003c\/td\u003e\n\u003ctd\u003eAir in (power supplies and fans to ports)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQFX5100-48S-3AFO\u003c\/td\u003e\n\u003ctd\u003e48x 10GbE SFP+, 6x 40GbE QSFP+, 3 management ports\u003c\/td\u003e\n\u003ctd\u003eAC\u003c\/td\u003e\n\u003ctd\u003eAir out\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQFX5100-48S-D-3AFI\u003c\/td\u003e\n\u003ctd\u003e48x 10GbE SFP+, 6x 40GbE QSFP+\u003c\/td\u003e\n\u003ctd\u003eDC\u003c\/td\u003e\n\u003ctd\u003eAir in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQFX5100-48T-AFI\u003c\/td\u003e\n\u003ctd\u003e48x 10GBASE-T, 6x 40GbE QSFP+\u003c\/td\u003e\n\u003ctd\u003eAC\u003c\/td\u003e\n\u003ctd\u003eAir in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQFX5100-48T-DC-AFI\u003c\/td\u003e\n\u003ctd\u003e48x 10GBASE-T, 6x 40GbE QSFP+\u003c\/td\u003e\n\u003ctd\u003eDC\u003c\/td\u003e\n\u003ctd\u003eAir in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQFX5100-48T-DC-AFO\u003c\/td\u003e\n\u003ctd\u003e48x 10GBASE-T, 6x 40GbE QSFP+\u003c\/td\u003e\n\u003ctd\u003eDC\u003c\/td\u003e\n\u003ctd\u003eAir out\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQFX5100-96S-AFO\u003c\/td\u003e\n\u003ctd\u003e96x 10GbE SFP+, 8x 40GbE QSFP+\u003c\/td\u003e\n\u003ctd\u003eAC\u003c\/td\u003e\n\u003ctd\u003eAir out\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQFX5100-96S-DC-AFI\u003c\/td\u003e\n\u003ctd\u003e96x 10GbE SFP+, 8x 40GbE QSFP+\u003c\/td\u003e\n\u003ctd\u003eDC\u003c\/td\u003e\n\u003ctd\u003eAir in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQFX5100-24Q-D-3AFI\u003c\/td\u003e\n\u003ctd\u003e24x 40GbE QSFP+, 2 expansion module slots\u003c\/td\u003e\n\u003ctd\u003eDC\u003c\/td\u003e\n\u003ctd\u003eAir in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003eJuniper does not support mixing AC and DC power supplies, or modules with different airflow, in one QFX5100 chassis. Junos OS runs from the switch's 32 GB internal solid state drive.\u003c\/p\u003e\u003cp\u003eEvery Juniper QFX5100 unit is bench tested before it is listed and carries the Townsend 3-year warranty, with 30-day returns on unused hardware. Need a part number that is not listed? \u003ca href=\"https:\/\/www.townsendassets.com\/quote\"\u003eRequest a quote\u003c\/a\u003e. Replacing Juniper equipment? \u003ca href=\"https:\/\/www.townsendassets.com\/sell\"\u003eWe buy used network equipment\u003c\/a\u003e.\u003c\/p\u003e","products":[{"product_id":"qfx5100-48t-dc-afo-48x-multigb-rj45-6x-40gb-qsfp-f-b-dc-switch","title":"QFX5100-48T-DC-AFO Juniper QFX5100 switch, 48x 1\/10GbE RJ45 and 6x 40GbE QSFP+","description":"\u003cp\u003e\u003cstrong\u003eCondition: Used — Tested \u0026amp; Guaranteed\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eQFX5100-48T-DC-AFO — available to order, ships worldwide.\u003c\/p\u003e","brand":"Juniper","offers":[{"title":"Default Title","offer_id":49917986865470,"sku":"QFX5100-48T-DC-AFO","price":1481.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/8446\/5470\/files\/QFX5100-48T-DC-AFO-v3-1786993381937.jpg?v=1786996590"},{"product_id":"qfx5100-24q-d-3afi-24x-40gb-qsfp-2x-mod-slots-b-f-air-dc-switch","title":"QFX5100-24Q-D-3AFI Juniper QFX5100 switch, 24x 40GbE QSFP+","description":"\u003cp\u003e\u003cstrong\u003eCondition: Used — Tested \u0026amp; Guaranteed\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eQFX5100-24Q-D-3AFI — available to order, ships worldwide.\u003c\/p\u003e","brand":"Juniper","offers":[{"title":"Default Title","offer_id":49918065082686,"sku":"QFX5100-24Q-D-3AFI","price":1481.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/8446\/5470\/files\/QFX5100-24Q-D-3AFI-v3-1786993381937.jpg?v=1786996592"},{"product_id":"qfx5100-48t-afi-48x-10gb-copper-6x-40gb-qsfp-b-f-air-switch","title":"QFX5100-48T-AFI Juniper QFX5100 switch, 48x 1\/10GbE RJ45 and 6x 40GbE QSFP+","description":"\u003cp\u003e\u003cstrong\u003eCondition: Refurbished — Tested \u0026amp; Guaranteed\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eQFX5100-48T-AFI — in stock, ships worldwide.\u003c\/p\u003e","brand":"Juniper","offers":[{"title":"Default Title","offer_id":49918086578494,"sku":"QFX5100-48T-AFI","price":1050.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/8446\/5470\/files\/QFX5100-48T-AFI-v3-1786993381937.jpg?v=1786996597"},{"product_id":"qfx5100-96s-dc-afi-96x-10gb-sfp-8x-40gb-qsfp-b-f-air-dc-switch","title":"QFX5100-96S-DC-AFI Juniper QFX5100 switch, 96x 1\/10GbE SFP+ and 8x 40GbE QSFP+","description":"\u003cp\u003e\u003cstrong\u003eCondition: Used — Tested \u0026amp; Guaranteed\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eQFX5100-96S-DC-AFI — available to order, ships worldwide.\u003c\/p\u003e","brand":"Juniper","offers":[{"title":"Default Title","offer_id":49918098145598,"sku":"QFX5100-96S-DC-AFI","price":2259.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/8446\/5470\/files\/QFX5100-96S-DC-AFI-v3-1786993381937.jpg?v=1786996599"},{"product_id":"qfx5100-48s-d-3afi-48x-10gb-sfp-6x-40gb-qsfp-b-f-airflow-dc-switch","title":"QFX5100-48S-D-3AFI Juniper QFX5100 switch, 48x 1\/10GbE SFP+ and 6x 40GbE QSFP+","description":"\u003cp\u003e\u003cstrong\u003eCondition: Used — Tested \u0026amp; Guaranteed\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eQFX5100-48S-D-3AFI — available to order, ships worldwide.\u003c\/p\u003e","brand":"Juniper","offers":[{"title":"Default Title","offer_id":49918106599742,"sku":"QFX5100-48S-D-3AFI","price":2088.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/8446\/5470\/files\/QFX5100-48S-D-3AFI-v3-1786993381937.jpg?v=1786996601"},{"product_id":"qfx5100-48s-afi-48x-10gb-sfp-6x-40gb-qsfp-back-to-front-air-switch","title":"QFX5100-48S-AFI Juniper QFX5100 switch, 48x 1\/10GbE SFP+ and 6x 40GbE QSFP+","description":"\u003cp\u003e\u003cstrong\u003eCondition: Refurbished — Tested \u0026amp; 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Guaranteed\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eQFX5100-96S-AFO — in stock, ships worldwide.\u003c\/p\u003e","brand":"Juniper","offers":[{"title":"Default Title","offer_id":50136226562366,"sku":"QFX5100-96S-AFO","price":1207.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/8446\/5470\/files\/QFX5100-96S-AFO-v3-1786993381937.jpg?v=1786996754"},{"product_id":"qfx5100-48t-dc-afi-48x-multigb-rj45-6x-40gb-qsfp-b-f-dc-switch","title":"QFX5100-48T-DC-AFI Juniper QFX5100 switch, 48x 1\/10GbE RJ45 and 6x 40GbE QSFP+","description":"\u003cp\u003e\u003cstrong\u003eCondition: Used — Tested \u0026amp; Guaranteed\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eQFX5100-48T-DC-AFI — available to order, ships worldwide.\u003c\/p\u003e","brand":"Juniper","offers":[{"title":"Default Title","offer_id":50227779043646,"sku":"QFX5100-48T-DC-AFI","price":1362.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/8446\/5470\/files\/QFX5100-48T-DC-AFI-v3-1786993381937.jpg?v=1786996697"},{"product_id":"qfx5100-48s-afo-48x-10gb-sfp-6x-40gb-qsfp-f-b-airflow-switch","title":"QFX5100-48S-AFO Juniper QFX5100 switch, 48x 1\/10GbE SFP+ and 6x 40GbE QSFP+","description":"\u003cp\u003e\u003cstrong\u003eCondition: Used — Tested \u0026amp; 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