{"id":1658,"date":"2026-04-01T08:17:28","date_gmt":"2026-04-01T08:17:28","guid":{"rendered":"https:\/\/demo.accurays.com\/ustransceivers\/product\/ust-400gbase-vr4-qsfp-dd-transceiver-for-juniper-qdd-400g-vr4-taa-compliant\/"},"modified":"2026-07-03T02:26:15","modified_gmt":"2026-07-03T02:26:15","slug":"ust-400gbase-vr4-qsfp-dd-transceiver-for-juniper-qdd-400g-vr4-taa-compliant","status":"publish","type":"product","link":"https:\/\/demo.accurays.com\/ustransceivers\/product\/ust-400gbase-vr4-qsfp-dd-transceiver-for-juniper-qdd-400g-vr4-taa-compliant\/","title":{"rendered":"UST 400GBASE-VR4 QSFP-DD Transceiver for Juniper &#8211; QDD-400G-VR4   TAA Compliant"},"content":{"rendered":"<p>The US Transceivers compatible QDD-400G-VR4 is a 400GBASE-VR4 QSFP-DD optical transceiver designed for very short reach multimode fiber applications. Operating across four lanes at 100G per lane, this module delivers an aggregate data rate of 400Gbps over OM4 multimode fiber at an 850nm wavelength with a maximum reach of 100 meters, making it well suited for high-density intra-data center connectivity.<\/p>\n<p>Built in the compact QSFP-DD form factor, this module interfaces via an MPO\/MTP connector and supports Digital Diagnostic Monitoring (DDM) for real-time visibility into key operating parameters such as temperature, voltage, and optical power levels. It is fully compliant with IEEE 802.3 standards and QSFP-DD MSA specifications.<\/p>\n<p>The US Transceivers compatible QDD-400G-VR4 is TAA compliant and manufactured to meet RoHS, CE, and REACH requirements, providing a cost-effective, reliable alternative for 400G network deployments in enterprise and data center environments.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The US Transceivers compatible QDD-400G-VR4 is a 400GBASE-VR4 QSFP-DD optical transceiver designed for very short reach multimode fiber applications. Operating across four lanes at 100G per lane, this module delivers an aggregate data rate of 400Gbps over OM4 multimode fiber at an 850nm wavelength with a maximum reach of 100 meters, making it well suited [&hellip;]<\/p>\n","protected":false},"featured_media":968,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[104],"product_cat":[536,633,344],"product_tag":[],"class_list":["post-1658","product","type-product","status-publish","has-post-thumbnail","product_brand-juniper","product_cat-400g-qsfp-dd-transceiver","product_cat-400gb-qsfp-dd-vr4","product_cat-sfp","pa_data-rate-400gb","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\/1658","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=1658"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/demo.accurays.com\/ustransceivers\/wp-json\/wp\/v2\/media\/968"}],"wp:attachment":[{"href":"https:\/\/demo.accurays.com\/ustransceivers\/wp-json\/wp\/v2\/media?parent=1658"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/demo.accurays.com\/ustransceivers\/wp-json\/wp\/v2\/product_brand?post=1658"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/demo.accurays.com\/ustransceivers\/wp-json\/wp\/v2\/product_cat?post=1658"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/demo.accurays.com\/ustransceivers\/wp-json\/wp\/v2\/product_tag?post=1658"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}