{"id":2037,"date":"2026-04-16T14:19:15","date_gmt":"2026-04-16T14:19:15","guid":{"rendered":"https:\/\/demo.accurays.com\/ustransceivers\/product\/ust-40gbase-sr4-qsfp-transceiver-for-arista-qsfp-40g-sr4-ar-taa-compliant\/"},"modified":"2026-04-16T14:19:15","modified_gmt":"2026-04-16T14:19:15","slug":"ust-40gbase-sr4-qsfp-transceiver-for-arista-qsfp-40g-sr4-ar-taa-compliant","status":"publish","type":"product","link":"https:\/\/demo.accurays.com\/ustransceivers\/product\/ust-40gbase-sr4-qsfp-transceiver-for-arista-qsfp-40g-sr4-ar-taa-compliant\/","title":{"rendered":"UST 40GBASE-SR4 QSFP+ Transceiver for Arista &#8211; QSFP-40G-SR4-AR   TAA Compliant"},"content":{"rendered":"<p>The US Transceivers compatible QSFP-40G-SR4-AR is a high-performance 40GBASE-SR4 QSFP+ transceiver module designed as a cost-effective alternative for use in Arista network environments. Operating over OM3 or OM4 multimode fiber, this module delivers 40 Gbps aggregate throughput across four parallel 10 Gbps lanes using an 850 nm VCSEL transmitter array, with a maximum reach of 150 meters on OM4 fiber.<\/p>\n<p>Featuring an MPO\/MTP connector interface, this transceiver is fully compliant with IEEE 802.3ba standards and supports Digital Diagnostics Monitoring (DDM\/DOM) for real-time visibility into key parameters such as temperature, voltage, and optical power. The module is TAA compliant and meets RoHS, CE, and REACH regulatory requirements.<\/p>\n<p>The US Transceivers compatible QSFP-40G-SR4-AR is well suited for high-density data center deployments, enterprise core switching, and short-reach parallel optic interconnects, delivering reliable performance at a fraction of the OEM cost.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The US Transceivers compatible QSFP-40G-SR4-AR is a high-performance 40GBASE-SR4 QSFP+ transceiver module designed as a cost-effective alternative for use in Arista network environments. Operating over OM3 or OM4 multimode fiber, this module delivers 40 Gbps aggregate throughput across four parallel 10 Gbps lanes using an 850 nm VCSEL transmitter array, with a maximum reach of [&hellip;]<\/p>\n","protected":false},"featured_media":984,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[657],"product_cat":[553,566,344],"product_tag":[],"class_list":["post-2037","product","type-product","status-publish","has-post-thumbnail","product_brand-arista","product_cat-40g-qsfp-transceiver","product_cat-40gb-qsfp-sr4","product_cat-sfp","pa_data-rate-40gb","pa_distance-100m","pa_product_type-multimode","pa_wavelength-850nm","first","instock","shipping-taxable","purchasable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/demo.accurays.com\/ustransceivers\/wp-json\/wp\/v2\/product\/2037","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/demo.accurays.com\/ustransceivers\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/demo.accurays.com\/ustransceivers\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/demo.accurays.com\/ustransceivers\/wp-json\/wp\/v2\/comments?post=2037"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/demo.accurays.com\/ustransceivers\/wp-json\/wp\/v2\/media\/984"}],"wp:attachment":[{"href":"https:\/\/demo.accurays.com\/ustransceivers\/wp-json\/wp\/v2\/media?parent=2037"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/demo.accurays.com\/ustransceivers\/wp-json\/wp\/v2\/product_brand?post=2037"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/demo.accurays.com\/ustransceivers\/wp-json\/wp\/v2\/product_cat?post=2037"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/demo.accurays.com\/ustransceivers\/wp-json\/wp\/v2\/product_tag?post=2037"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}