{"product_id":"q56-200g-cu0-5-0-5-meter-1-6-ft-200g-qsfp56-passive-direct-attach-copper-dac-dgx-spark","title":"200G QSFP56 Passive DAC Cable 0.5m | DGX Spark Dual-System Interconnect | MCP1650-V00AE30 Compatible | Resilient Tec","description":"\u003cp\u003e\u003cspan\u003e0.5m (1.6ft) 200G QSFP56 Passive Direct Attach Copper cable engineered for NVIDIA DGX Spark dual-system interconnect. Compatible with NVIDIA\/Mellanox MCP1650-V00AE30. Connects two DGX Spark units via built-in ConnectX-7 200GbE ports. 4-channel PAM4 modulation, 30AWG twinax, under 0.1W power draw. Plug-and-play, no active components, no cooling required. Compliant with QSFP56 MSA, IEEE 802.3bj, IEEE 802.3cd, and RoHS. Ideal for AI inference clusters, edge HPC, and DGX Spark scale-out deployments.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003ehttps:\/\/resilient-tec.com\/blogs\/news\/how-to-connect-two-nvidia-dgx-spark-systems-the-cable-you-need-and-why\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3 dir=\"auto\"\u003eKey Specifications\u003c\/h3\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eType\u003c\/strong\u003e: Passive Direct Attach Copper (DAC) Twinax cable (no active electronics — very low power and latency)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eData Rate\u003c\/strong\u003e: 200 Gb\/s (4 × 50 Gb\/s PAM4 lanes)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnectors\u003c\/strong\u003e: QSFP56 to QSFP56\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength\u003c\/strong\u003e: 0.5 m (≈1.6 ft \/ 19.7 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWire Gauge\u003c\/strong\u003e: 30 AWG\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eJacket\u003c\/strong\u003e: LSZH (Low Smoke Zero Halogen)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePull Tab\u003c\/strong\u003e: Typically black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompliance\u003c\/strong\u003e: SFF-8665, RoHS, halogen-free\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\u003ePower Consumption\u003c\/strong\u003e: Extremely low (≈0.1 W or less per end)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtocol Support\u003c\/strong\u003e: 200GbE Ethernet \/ RoCE (RDMA over Converged Ethernet) — validated for DGX Spark GPU-direct communication and multi-node AI workloads\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEquivalent NVIDIA\/Mellanox Reference\u003c\/strong\u003e: Closely matches MCP1650-V00AE30 (0.5m 200GbE QSFP56 DAC)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eConnect two DGX Spark systems \u003c\/strong\u003eor \u003cstrong\u003e\"DGX Spark dual-system interconnect\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eNVIDIA ConnectX-7 200GbE port\u003c\/strong\u003e (the built-in port people are plugging into)\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003e\u003cstrong\u003e0.5m is the correct\/recommended length for DGX Spark\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eCompatible OEM part: MCP1650-V00AE30\u003c\/strong\u003e (the NVIDIA\/Mellanox original) — people search for the OEM part and look for alternatives\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003e\"Passive DAC, no power required, plug-and-play\"\u003c\/strong\u003e — common DGX Spark setup \u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resilient Tec, LLC","offers":[{"title":"Default Title","offer_id":48284161376356,"sku":null,"price":84.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/3482\/4548\/files\/DACforDGX.jpg?v=1776705259","url":"https:\/\/resilient-tec.com\/products\/q56-200g-cu0-5-0-5-meter-1-6-ft-200g-qsfp56-passive-direct-attach-copper-dac-dgx-spark","provider":"Resilient Tec","version":"1.0","type":"link"}