{"id":2088,"date":"2026-07-03T02:09:50","date_gmt":"2026-07-03T02:09:50","guid":{"rendered":"https:\/\/demo.accurays.com\/ustransceivers\/product\/ust-400g-vr4-osfp-50m-ihs-fin-top-ethernet-arista-compatible-taa-compliant\/"},"modified":"2026-07-03T02:09:50","modified_gmt":"2026-07-03T02:09:50","slug":"ust-400g-vr4-osfp-50m-ihs-fin-top-ethernet-arista-compatible-taa-compliant","status":"publish","type":"product","link":"https:\/\/demo.accurays.com\/ustransceivers\/product\/ust-400g-vr4-osfp-50m-ihs-fin-top-ethernet-arista-compatible-taa-compliant\/","title":{"rendered":"UST 400G VR4 OSFP 50m IHS Fin Top Ethernet Arista Compatible   TAA Compliant"},"content":{"rendered":"<p>The US Transceivers compatible OSFP-400G-VSR4 is a high-performance 400G OSFP transceiver engineered for very short reach parallel optical interconnects. Operating over multimode fiber with eight lanes of 50G NRZ signaling, this module delivers an aggregate data rate of 400Gbps and supports link distances up to 50 meters, making it well suited for high-density data center deployments requiring low-latency, high-bandwidth connectivity.<\/p>\n<p>This module features an OSFP form factor with an MPO\/MTP connector interface and is designed to operate over OM4 multimode fiber. The integrated heat sink fin top design aids in thermal management, ensuring reliable operation in dense chassis environments. The transceiver supports Digital Diagnostic Monitoring (DDM) for real-time visibility into key optical parameters.<\/p>\n<p>Fully TAA compliant and built to meet IEEE 802.3 and relevant MSA standards, the US Transceivers compatible OSFP-400G-VSR4 delivers OEM-equivalent performance and compatibility at a competitive price point for enterprise and hyperscale data center applications.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The US Transceivers compatible OSFP-400G-VSR4 is a high-performance 400G OSFP transceiver engineered for very short reach parallel optical interconnects. Operating over multimode fiber with eight lanes of 50G NRZ signaling, this module delivers an aggregate data rate of 400Gbps and supports link distances up to 50 meters, making it well suited for high-density data center [&hellip;]<\/p>\n","protected":false},"featured_media":2087,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[657],"product_cat":[533,703,344],"product_tag":[],"class_list":["post-2088","product","type-product","status-publish","has-post-thumbnail","product_brand-arista","product_cat-400g-osfp-transceiver","product_cat-400gb-osfp-vr4","product_cat-sfp","pa_data-rate-400gb","pa_distance-50m","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\/2088","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=2088"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/demo.accurays.com\/ustransceivers\/wp-json\/wp\/v2\/media\/2087"}],"wp:attachment":[{"href":"https:\/\/demo.accurays.com\/ustransceivers\/wp-json\/wp\/v2\/media?parent=2088"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/demo.accurays.com\/ustransceivers\/wp-json\/wp\/v2\/product_brand?post=2088"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/demo.accurays.com\/ustransceivers\/wp-json\/wp\/v2\/product_cat?post=2088"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/demo.accurays.com\/ustransceivers\/wp-json\/wp\/v2\/product_tag?post=2088"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}