{"product_id":"qsfp-dd-400g-direct-attach-copper-cable-2-meter","title":"400G QSFP-DD Passive DAC Twinax Cable 2m (7ft) - QSFP-DD to QSFP-DD Direct Attach Copper","description":"\u003ch3\u003e400G QSFP-DD Passive Direct Attach Copper Cable — 2 Meter\u003c\/h3\u003e\u003cp\u003eSave up to 70% versus OEM pricing on this 400G QSFP-DD to QSFP-DD passive DAC cable. Ideal for high-bandwidth, short-range data center interconnects, this 2-meter twinax cable delivers 400 Gigabit Ethernet connectivity with zero power consumption and ultra-low latency. Backed by Reef Telecom's industry-leading 10-year warranty.\u003c\/p\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eForm Factor:\u003c\/strong\u003e QSFP-DD to QSFP-DD (Quad Small Form-factor Pluggable Double Density)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eData Rate:\u003c\/strong\u003e Up to 400Gbps (8 x 50Gbps PAM4)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable Type:\u003c\/strong\u003e Passive twinax copper (28AWG)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable Length:\u003c\/strong\u003e 2 meters (7 feet)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Consumption:\u003c\/strong\u003e Near zero (~0.1W per end)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompliance:\u003c\/strong\u003e QSFP-DD MSA, IEEE 802.3cd, SFF-8636, CMIS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e 0°C to 70°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertification:\u003c\/strong\u003e CE, RoHS compliant\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eKey Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMassive cost savings vs. 400G optical transceivers and OEM DACs\u003c\/li\u003e\n\u003cli\u003eZero latency — passive copper requires no signal processing\u003c\/li\u003e\n\u003cli\u003eHot-pluggable for easy installation and maintenance\u003c\/li\u003e\n\u003cli\u003eLow insertion loss and low crosstalk for reliable signal integrity\u003c\/li\u003e\n\u003cli\u003eIdeal for Top-of-Rack (ToR), spine-leaf, and adjacent rack connections\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatibility \u0026amp; Use Cases\u003c\/h3\u003e\u003cp\u003eThis 400G DAC cable is compatible with Cisco (QDD-400-CU2M), Aruba, Juniper (QDD-400G-DAC-2M), NVIDIA\/Mellanox, and other platforms with QSFP-DD 400G ports. Perfect for AI\/ML clusters, high-performance computing (HPC), cloud data centers, and leaf-spine network architectures. Free shipping on orders over $300.\u003c\/p\u003e","brand":"Reef Telecom","offers":[{"title":"Default Title","offer_id":47082020602097,"sku":"QSFP-DD-400G-DAC-2M","price":467.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0672\/5337\/1121\/files\/QSFP-100G-AOCxM-RT.webp?v=1768664610","url":"https:\/\/www.reeftel.com\/products\/qsfp-dd-400g-direct-attach-copper-cable-2-meter","provider":"Reef Telecom","version":"1.0","type":"link"}