{"product_id":"mcp7h60-w003-nvidia-mellanox-compatible-400g-qsfp-dd-to-2x200g-qsfp56-passive-breakout-dac-cable-3m","title":"MCP7H60-W003 NVIDIA\/Mellanox Compatible, 400G QSFP-DD to 2x200G QSFP56 Passive Breakout DAC Cable - 3m","description":"\u003ch2\u003eNVIDIA\/Mellanox Compatible 400G QSFP-DD to 2x200G QSFP56 Passive Breakout Direct Attach Copper (DAC) Cable - 3 Meters\u003c\/h2\u003e\n\u003cp\u003eThis third-party passive breakout DAC cable is compatible with NVIDIA\/Mellanox MCP7H60-W003R26: one 400G QSFP-DD switch port fans out to two 200G QSFP56 ports. The 3 m length uses 26 AWG wire to keep signal loss in budget, and reaches a switch in an adjacent rack or across a bench.\u003c\/p\u003e\n\u003cp\u003eSupports full 400Gbps (split to 2x200Gbps, 8x50G PAM4 lanes) with ultra-low latency and power. Backed by our \u003cstrong\u003elifetime warranty\u003c\/strong\u003e. New, with free standard shipping on all US orders.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLongest passive reach in the family\u003c\/strong\u003e: 3 m, 26 AWG — for a switch in the next rack.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlug-and-Play\u003c\/strong\u003e: Hot-pluggable connectors with pre-programmed EEPROM for NVIDIA\/Mellanox compatibility.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePassive and cool\u003c\/strong\u003e: No optics to power, cool or fail.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLifetime Warranty\u003c\/strong\u003e backed by Resilient Tec.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eData Rate\u003c\/strong\u003e: 400Gbps (400GbE, split to 2x200Gbps, 8x50Gbps PAM4)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnectors\u003c\/strong\u003e: 1x QSFP-DD to 2x QSFP56\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLane Mapping\u003c\/strong\u003e: TX1-4 \/ RX1-4 to leg 1, TX5-8 \/ RX5-8 to leg 2 — each leg runs 200G CR4 (4 lanes)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength\u003c\/strong\u003e: 3 meters (9.8 ft)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable Type\u003c\/strong\u003e: Passive Twinax Copper, 26 AWG\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\u003eStandards Compliance\u003c\/strong\u003e: IEEE 802.3cd, SFF-8665, QSFP-DD\/QSFP56 MSA, CMIS compliant\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCross-reference\u003c\/strong\u003e: NVIDIA MCP7H60-W003R26 (26 AWG, 3 m); family documented as MCP7H60-W0xxRyy. Also sold as the 1 m MCP7H60-W001 and 2 m \u003ca href=\"\/products\/nvidia-mellanox-compatible-mcp7h60-w002-400g-qsfp-dd-to-2x200g-qsfp56-passive-breakout-dac-cable-2m\"\u003eMCP7H60-W002\u003c\/a\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eNVIDIA ConnectX-7 \/ ConnectX-6 adapters (200G ports)\u003c\/li\u003e\n\u003cli\u003eNVIDIA DGX Spark and other GB10 systems (ASUS Ascent GX10, Dell Pro Max GB10, HP ZGX Nano AI Station) — switch-side breakout, one port to two nodes\u003c\/li\u003e\n\u003cli\u003eMikroTik CRS804-4DDQ and CRS812-8DS-2DQ-2DDQ 400G QSFP-DD switches\u003c\/li\u003e\n\u003cli\u003eOther QSFP-DD\/QSFP56 platforms\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eNVIDIA DGX Spark and GB10 Clustering\u003c\/h3\u003e\n\u003cp\u003eOne 400G QSFP-DD switch port fans out into two 200G QSFP56 legs, and each leg feeds one Spark at a full, unsplit 200G. The Spark's QSFP112 cage accepts a QSFP56 plug.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCompatible with MikroTik CRS804-4DDQ and CRS812 QSFP56-DD ports (set speed=200G-baseCR4 on lanes 1 and 5). Four DGX Sparks = 2 cables.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBreakout belongs on the switch end only.\u003c\/strong\u003e NVIDIA does not enable or validate port splitting on the DGX Spark's ConnectX-7. Use this cable to fan a switch port out to two Sparks — never the other way round.\u003c\/p\u003e\n\u003cp\u003eNot sure which length or how many? \u003ca href=\"\/pages\/dgx-spark-interconnect-reference\"\u003eSee the DGX Spark interconnect reference\u003c\/a\u003e or \u003ca href=\"\/pages\/request-a-quote\"\u003esend us your node count and switch model\u003c\/a\u003e.\u003c\/p\u003e","brand":"Resilient Tec","offers":[{"title":"Default Title","offer_id":50545828724836,"sku":"MCP7H60-W003","price":199.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/3482\/4548\/files\/Screenshot_2026-09-15_083108.png?v=1789475488","url":"https:\/\/resilient-tec.com\/products\/mcp7h60-w003-nvidia-mellanox-compatible-400g-qsfp-dd-to-2x200g-qsfp56-passive-breakout-dac-cable-3m","provider":"Resilient Tec","version":"1.0","type":"link"}