{"product_id":"qdd-400g-dr4-ari-tfo","title":"QDD-400G-DR4 Arista Compatible 400G QSFP-DD DR4 500m SMF","description":"\u003c!-- tfo-oem-band --\u003e\n\u003cdiv style=\"border-left:6px solid #FF4637;padding:10px 14px;margin:0 0 16px 0;background:linear-gradient(90deg,rgba(255,70,55,0.12),rgba(255,70,55,0));\"\u003e\n\u003cspan style=\"display:inline-block;width:12px;height:12px;border-radius:50%;background:#FF4637;box-shadow:0 0 8px 2px rgba(255,70,55,0.6);vertical-align:middle;margin-right:8px;\"\u003e\u003c\/span\u003e\n\u003cstrong style=\"vertical-align:middle;\"\u003eArista-compatible · QDD-400G-DR4-ARI-TFO\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003c!-- \/tfo-oem-band --\u003e\n\u003cp\u003eThe \u003cstrong\u003eQDD-400G-DR4\u003c\/strong\u003e is a 400G QSFP-DD optical transceiver compatible with Arista platforms.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eForm Factor:\u003c\/strong\u003e QSFP-DD\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eData Rate:\u003c\/strong\u003e 400G\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtocol:\u003c\/strong\u003e DR4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWavelength:\u003c\/strong\u003e 1310nm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFiber Type:\u003c\/strong\u003e SMF\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReach:\u003c\/strong\u003e 500m\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnector:\u003c\/strong\u003e MPO-12\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Equivalent:\u003c\/strong\u003e QDD-400G-DR4\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e The \u003cstrong\u003eQDD-400G-DR4-ARI-TFO\u003c\/strong\u003e is TenFour Optics' compatible equivalent of the Arista QDD-400G-DR4, coded per order for Arista platforms. Arista lists the QDD-400G-DR4 for use in 400G QSFP-DD ports on: 7050X4 Series, 7060X4 Series, 7060X5 Series, 7280R3 Series, 7368X4 Series, and 7800R3 Series. Add your switch model and OS release in the order notes, or email \u003ca href=\"mailto:10.4@tenfouroptics.com\"\u003e10.4@tenfouroptics.com\u003c\/a\u003e, and we confirm coding before it ships.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTested \u0026amp; Proven:\u003c\/strong\u003e Every TenFour Optics part is coded, tested, and verified before shipment — see \u003ca href=\"\/pages\/testing\"\u003eTested \u0026amp; Proven\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eOEM-compatible and MSA-compliant. Compliance documentation (RoHS declaration, IEC 60825-1 laser classification) is available on request for project quotes. Digital Diagnostic Monitoring (DDM\/DOM) supported. Every module is tested for traffic conformity per supported layer 2\/3 protocols, DOM threshold verification, EEPROM\/MSA value verification, serial number verification, and optical cleanliness before shipment.\u003c\/p\u003e\n\u003cp\u003eBacked by the \u003cstrong\u003eGreenLights4Life® Limited Lifetime Replacement Warranty\u003c\/strong\u003e. In-stock items ship same or next business day — contact 10.4@tenfouroptics.com to confirm availability and lead time.\u003c\/p\u003e","brand":"Arista","offers":[{"title":"Default Title","offer_id":47207419445419,"sku":"QDD-400G-DR4-ARI-TFO","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0916\/0618\/files\/QSFPDD-400G-DR4-TFO-R_glow_Arista.jpg?v=1787327767","url":"https:\/\/tenfouroptics.com\/products\/qdd-400g-dr4-ari-tfo","provider":"TenFourOptics","version":"1.0","type":"link"}