{"product_id":"arista-qsfp-40g-sr4-new","title":"Arista QSFP-40G-SR4 40G SR4 850nm QSFP+ Transceiver Optic Module","description":"\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0892\/2431\/5249\/files\/Default-Product-Image.jpg?v=1780992596\" alt=\"Arista QSFP-40G-SR4\" width=\"200px\"\u003e\u003ch1\u003eArista QSFP-40G-SR4 40G SR4 850nm QSFP+ Optical Transceiver\u003c\/h1\u003e\u003ch2\u003eTested to factory specification. Backed by 25 years of enterprise trust.\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eArista QSFP-40G-SR4\u003c\/strong\u003e is a high-performance 40 Gigabit QSFP+ optical transceiver designed for short-range multimode fiber applications. Operating at an 850nm wavelength, this SR4 optic delivers reliable, low-latency 40GbE connectivity across four parallel lanes, making it ideal for high-density data center environments, spine-leaf architectures, and enterprise core switching deployments.\u003c\/p\u003e\u003cp\u003eAvailable in \u003cstrong\u003eNew\u003c\/strong\u003e condition, this unit has been verified to meet factory specifications and is fully compatible with Arista networking platforms and other standards-compliant 40G QSFP+ infrastructure.\u003c\/p\u003e\u003ch2\u003eProduct Details\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMPN:\u003c\/strong\u003e QSFP-40G-SR4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVendor \/ Brand:\u003c\/strong\u003e Arista\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Optics \/ Optical Transceiver\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eForm Factor:\u003c\/strong\u003e QSFP+\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eData Rate:\u003c\/strong\u003e 40 Gbps (4 x 10Gbps lanes)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWavelength:\u003c\/strong\u003e 850nm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFiber Type:\u003c\/strong\u003e Multimode (MMF)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterface:\u003c\/strong\u003e SR4 (Short Range 4-lane)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnector:\u003c\/strong\u003e MPO\/MTP\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e New\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e40G SR4 parallel optics over OM3\/OM4 multimode fiber\u003c\/li\u003e\n\u003cli\u003e850nm VCSEL laser array for reliable short-range transmission\u003c\/li\u003e\n\u003cli\u003eUp to 150m reach on OM4 multimode fiber\u003c\/li\u003e\n\u003cli\u003eLow power consumption optimized for high-density deployments\u003c\/li\u003e\n\u003cli\u003eHot-pluggable QSFP+ form factor for easy installation\u003c\/li\u003e\n\u003cli\u003eCompatible with Arista 7050, 7060, 7160 series switches and other standards-compliant equipment\u003c\/li\u003e\n\u003cli\u003eDigital Optical Monitoring (DOM) support\u003c\/li\u003e\n\u003cli\u003eRoHS compliant\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhy Buy from WhaleyComm?\u003c\/h2\u003e\u003cp\u003eAt \u003cstrong\u003eWhaleyComm\u003c\/strong\u003e, every optic we ship is tested to factory specification before it leaves our facility. With over \u003cstrong\u003e25 years of experience\u003c\/strong\u003e and more than \u003cstrong\u003e5,000 satisfied enterprise customers\u003c\/strong\u003e, we are a trusted source for networking hardware you can depend on.\u003c\/p\u003e\u003ch2\u003eLifetime Warranty\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eNo Time Limits. No Questions Asked.\u003c\/strong\u003e Every WhaleyComm unit ships with a \u003cstrong\u003eLifetime Warranty\u003c\/strong\u003e. If your Arista QSFP-40G-SR4 fails under normal operating conditions at any point — whether that's 1 year or 20 years from now — we replace it. Simple as that.\u003c\/p\u003e\u003ch2\u003eShipping \u0026amp; Returns\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipping:\u003c\/strong\u003e Orders ship within 1–2 business days.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReturns:\u003c\/strong\u003e Contact our support team for any DOA (Dead on Arrival) or warranty-related issues. We make it right, fast.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eOrder with confidence from WhaleyComm — your enterprise networking partner for life.\u003c\/p\u003e","brand":"Arista","offers":[{"title":"New","offer_id":63895135912305,"sku":"QSFP-40G-SR4","price":39.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0892\/2431\/5249\/files\/Default-Product-Image_ba3de63d-7a01-4445-bfbe-23d0c810deea.jpg?v=1781170115","url":"https:\/\/www.whaleycomm.com\/products\/arista-qsfp-40g-sr4-new","provider":"Whaley Comm","version":"1.0","type":"link"}