{"title":"800G DAC Cables","description":"\u003cp\u003e800G twin-port OSFP passive DAC cables (2×400G NDR), finned-top on both ends, for NVIDIA Quantum-2 QM9700\/QM9790 switch-to-switch links at 1 m and 2 m. Also here: the OSFP-to-2×400G and OSFP-to-4×200G breakouts that fan a switch port out to ConnectX-7 adapters. DGX H100\/H200 front cages are flat-top; see the \u003ca href=\"\/pages\/nvidia-osfp-transceiver-part-number-crosswalk\"\u003eNVIDIA OSFP part-number crosswalk\u003c\/a\u003e. Lifetime warranty, shipping from Knoxville, Tennessee.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOther speeds:\u003c\/strong\u003e \u003ca href=\"\/collections\/25g-dac-cables\"\u003e25G\u003c\/a\u003e · \u003ca href=\"\/collections\/100g-dac-cables\"\u003e100G\u003c\/a\u003e · \u003ca href=\"\/collections\/200g-dac-cables\"\u003e200G\u003c\/a\u003e · \u003ca href=\"\/collections\/400g-dac-cables\"\u003e400G\u003c\/a\u003e · \u003ca href=\"\/collections\/dac-cables\"\u003eAll DAC cables\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003eNew to DAC? \u003cstrong\u003e\u003ca href=\"\/pages\/dac-cables-guide\"\u003eRead our DAC Cables Guide →\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e","products":[{"product_id":"nvidia-mellanox-mcp7y00-n002-compatible-800gb-s-osfp-to-2x400gb-s-osfp-passive-breakout-dac-cable-2m","title":"MCP7Y00-N002 NVIDIA\/Mellanox Compatible 800Gb\/s OSFP to 2x400Gb\/s OSFP Passive Breakout DAC Cable - 2m","description":"\u003cp\u003e\u003cstrong\u003eQuick answer:\u003c\/strong\u003e The MCP7Y00-N002 NVIDIA\/Mellanox-compatible cable is a 2-meter passive copper breakout (splitter) DAC that splits one 800G twin-port OSFP port into two 400G OSFP connections, for linking an NDR InfiniBand switch such as the Quantum-2 QM9700 to two 400G NDR ports, such as ConnectX-7 OSFP adapters, in the same or an adjacent rack. It is coded to work in NVIDIA equipment that calls for MCP7Y00-N002. Resilient Tec sells it new, with a lifetime warranty and free US shipping from Knoxville, TN.\u003c\/p\u003e\n\u003ch2\u003eNVIDIA\/Mellanox MCP7Y00-N002 Compatible 800Gb\/s Twin-Port OSFP to 2x400Gb\/s OSFP Passive Breakout DAC Cable - 2 Meters\u003c\/h2\u003e\n\u003cp\u003eThis third-party passive breakout DAC cable is fully compatible with NVIDIA\/Mellanox MCP7Y00-N002, delivering an 800Gb\/s twin-port OSFP connection split to two independent 400Gb\/s OSFP ports. Engineered for InfiniBand NDR environments in cutting-edge AI supercomputers, HPC clusters, and hyperscale data centers.\u003c\/p\u003e\n\u003cp\u003eCompliant with MSA standards, it supports massive bandwidth (800G total, 2x400G PAM4) with ultra-low power and latency. Backed by our \u003cstrong\u003elifetime warranty\u003c\/strong\u003e and rigorous testing—save significantly vs. genuine OEM.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtreme Cost Savings\u003c\/strong\u003e: Affordable compatible for NDR deployments—scale AI superclusters without premium pricing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlug-and-Play\u003c\/strong\u003e: Hot-pluggable OSFP connectors (finned\/flat top variants) with pre-programmed EEPROM for seamless NVIDIA compatibility.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltra-Low Power \u0026amp; Latency\u003c\/strong\u003e: Passive design (\u0026lt;0.5W total) for dense, efficient racks in power-hungry AI environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLifetime Warranty\u003c\/strong\u003e: Fully tested.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUse Cases\u003c\/strong\u003e: Splitter for multi-node GPU interconnects in NDR switches (e.g., QM9700 series), enabling 800G to 400G fan-out.\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: 800Gbps total (twin-port NDR InfiniBand, split to 2x400Gbps, PAM4)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnectors\u003c\/strong\u003e: 1x Twin-Port OSFP to 2x OSFP\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength\u003c\/strong\u003e: 2 meters (6.6 ft)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable Type\u003c\/strong\u003e: Passive Twinax Copper (typically 26-30AWG)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Consumption\u003c\/strong\u003e: \u0026lt;0.5W\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: IBTA NDR, OSFP MSA, CMIS compliant\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cp\u003eProgrammed for full compatibility with NVIDIA\/Mellanox NDR ecosystems and MSA platforms, including:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNVIDIA Quantum-2\/QM9700 NDR switches (800G ports)\u003c\/li\u003e\n\u003cli\u003eNVIDIA ConnectX-7\/BlueField-3 (400G ports)\u003c\/li\u003e\n\u003cli\u003eOther OSFP NDR platforms\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNeed different lengths, flat-top variants, or volume quotes? \u003cstrong\u003eContact us\u003c\/strong\u003e—we source advanced NDR interconnects for AI leaders.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat does each end plug into?\u003c\/strong\u003e\u003cbr\u003eThe single 800G end goes into a twin-port OSFP cage on the switch. Each 400G leg goes into a 400G OSFP port, such as a ConnectX-7 OSFP adapter.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMCP7Y00-N002 or MCP7Y50-N001: which do I need?\u003c\/strong\u003e\u003cbr\u003eThe MCP7Y00-N002 splits one 800G switch port into two 400G links. The MCP7Y50-N001 splits it into four 200G links. Pick the one that matches the speed of the adapter ports on the other end.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy a DAC instead of optics?\u003c\/strong\u003e\u003cbr\u003eFor in-rack runs of a couple of meters, a passive DAC costs far less, draws no power and adds no optical latency. For longer runs between racks, use OSFP optics with fiber.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCompatible cable or genuine NVIDIA: what is the difference?\u003c\/strong\u003e\u003cbr\u003eThis is a new third-party cable programmed (coded) to be recognized by NVIDIA\/Mellanox equipment that calls for this part number, at a fraction of the NVIDIA-branded price. Choose the genuine NVIDIA part only if your support contract or internal policy requires NVIDIA-branded parts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat warranty and shipping come with it?\u003c\/strong\u003e\u003cbr\u003eResilient Tec's lifetime warranty. US standard shipping is free with no minimum, and orders typically arrive in 3 to 5 days.\u003c\/p\u003e\n\u003ch3\u003eYou Might Also Need\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"\/products\/mcp7y50-n001-mellanox-compatible-800g-osfp-to-4x200g-osfp-passive-breakout-dac-cable-1m\"\u003eMCP7Y50-N001 compatible, 800G OSFP to 4x200G OSFP breakout DAC\u003c\/a\u003e\u003cbr\u003e\u003ca href=\"\/products\/mma4z00-ns400-compatible-400g-osfp-sr4-flat-top-rhs-transceiver-connectx-7\"\u003eMMA4Z00-NS400 compatible, 400G OSFP SR4 transceiver\u003c\/a\u003e\u003cbr\u003e\u003ca href=\"\/collections\/dac-cables\"\u003eAll DAC cables\u003c\/a\u003e\u003c\/p\u003e\n","brand":"Resilient Tec","offers":[{"title":"Default Title","offer_id":47923345424484,"sku":"MCP7Y00-N002","price":298.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/3482\/4548\/files\/nvidia-mellanox-mcp7y00-n002-compatible-800gb-s-osfp-to-2x400gb-s-osfp-passive-breakout-dac-cable-2m_1_84da8497-cb24-4d0b-b25c-f918bdcdd56a.jpg?v=1793196718"},{"product_id":"mcp7y50-n001-mellanox-compatible-800g-osfp-to-4x200g-osfp-passive-breakout-dac-cable-1m","title":"MCP7Y50-N001 Compatible 800G OSFP to 4x200G OSFP Breakout DAC Cable - 1M | NVIDIA \/ Mellanox","description":"\u003cp\u003e\u003cstrong\u003eQuick answer:\u003c\/strong\u003e The MCP7Y50-N001 NVIDIA\/Mellanox-compatible cable is a 1-meter passive copper breakout (splitter) DAC that splits one 800G twin-port OSFP port into four 200G OSFP connections, for linking an NDR InfiniBand switch such as the Quantum-2 QM9700 to four 200G adapter ports in the same rack. It is coded to work in NVIDIA equipment that calls for MCP7Y50-N001. Resilient Tec sells it new, with a lifetime warranty and free US shipping from Knoxville, TN.\u003c\/p\u003e\n\u003ch2\u003e800G OSFP to 4x200G OSFP Passive Breakout DAC Cable — Pre-Tested for NVIDIA \/ Mellanox\u003c\/h2\u003e\n\u003cp\u003eThe MCP7Y50-N001 is an \u003cstrong\u003e800G OSFP to 4x200G OSFP passive breakout DAC cable\u003c\/strong\u003e built for next-generation AI clusters, hyperscale data centers, and NDR InfiniBand fabrics. It delivers 800Gbps aggregate throughput by splitting a single 800G OSFP port into four independent 200G OSFP connections — with zero active components and zero power draw. Every unit is pre-programmed with EEPROM compatibility data and validated before shipment.\u003c\/p\u003e\n\u003ch3\u003eWill This Cable Work With My Platform?\u003c\/h3\u003e\n\u003cp\u003ePre-coded for seamless plug-and-play recognition on:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNVIDIA Quantum-2 \/ NDR InfiniBand switches\u003c\/strong\u003e (QM9700 series and compatible)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNVIDIA DGX \/ HGX systems\u003c\/strong\u003e and GPU-to-switch interconnects\u003c\/li\u003e\n\u003cli\u003eAny \u003cstrong\u003eOSFP MSA-compliant platform\u003c\/strong\u003e supporting NDR InfiniBand\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNot sure if this matches your exact setup? \u003cstrong\u003eContact us before you buy\u003c\/strong\u003e — our engineers will confirm compatibility for free.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBest for:\u003c\/strong\u003e GPU-to-switch, switch-to-switch, and top-of-rack breakout connections in high-density AI and HPC environments.\u003c\/p\u003e\n\u003ch3\u003eDesigned for AI \u0026amp; HPC Infrastructure\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGPU cluster interconnects\u003c\/strong\u003e — spine-to-GPU or switch-to-DGX\/HGX connections\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNDR InfiniBand fabrics\u003c\/strong\u003e — 800G port breakout to 4x200G NDR endpoints\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAI training and inference at scale\u003c\/strong\u003e — maximize throughput, minimize latency between nodes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHyperscale data center leaf-spine\u003c\/strong\u003e — high-density 800G port utilization\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-throughput storage\u003c\/strong\u003e — NVMe over Fabric, GPUDirect Storage at 200G per lane\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCommon Mistakes This Cable Prevents\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuying AOC when DAC is sufficient\u003c\/strong\u003e — for 1-meter runs, passive DAC is lower cost, lower latency, and zero power\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM-locked cables causing recognition failures\u003c\/strong\u003e — our EEPROM pre-coding eliminates firmware rejection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWrong connector type\u003c\/strong\u003e — OSFP and QSFP-DD are not the same; always verify your port type before ordering\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLatency spikes from active components\u003c\/strong\u003e — passive DAC has no signal processing, no added jitter\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e MCP7Y50-N001\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eData Rate:\u003c\/strong\u003e 800Gb\/s aggregate (4x200Gb\/s breakout)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnector Type:\u003c\/strong\u003e OSFP (800G) to 4x OSFP (200G each)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable Length:\u003c\/strong\u003e 1 Meter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable Type:\u003c\/strong\u003e Passive Direct Attach Copper (DAC)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWire Gauge:\u003c\/strong\u003e 30AWG Twinax\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Consumption:\u003c\/strong\u003e Passive (0W)\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:\u003c\/strong\u003e OSFP MSA compliant\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtocol Support:\u003c\/strong\u003e NDR InfiniBand (800Gb\/s)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eThe Resilient Tec Guarantee\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e✅ Pre-programmed EEPROM — recognized immediately by compatible platforms\u003c\/li\u003e\n\u003cli\u003e✅ Compatibility-tested before every shipment\u003c\/li\u003e\n\u003cli\u003e✅ Lifetime warranty on all cables\u003c\/li\u003e\n\u003cli\u003e✅ Talk to a real engineer — not a chatbot\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWe don't just ship cables. We make sure they work in your environment.\u003c\/p\u003e\n\u003ch3\u003eRelated Products\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e400G QSFP-DD to 4x100G QSFP28 Breakout DAC Cables\u003c\/li\u003e\n\u003cli\u003e200G QSFP56 to 2x100G QSFP56 Breakout DAC Cables\u003c\/li\u003e\n\u003cli\u003e800G OSFP Active Optical Cables (AOC) for longer runs\u003c\/li\u003e\n\u003cli\u003eOSFP Transceivers for 800G platforms\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat does each end plug into?\u003c\/strong\u003e\u003cbr\u003eThe single 800G end goes into a twin-port OSFP cage on the switch. Each of the four 200G legs goes into an OSFP port running at 200G, such as an NDR200 adapter port.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMCP7Y50-N001 or MCP7Y00-N002: which do I need?\u003c\/strong\u003e\u003cbr\u003eThe MCP7Y50-N001 splits one 800G switch port into four 200G links. The MCP7Y00-N002 splits it into two 400G links. Pick the one that matches the speed of the adapter ports on the other end.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy a DAC instead of optics?\u003c\/strong\u003e\u003cbr\u003eFor in-rack runs of a meter or two, a passive DAC costs far less, draws no power and adds no optical latency. For longer runs between racks, use OSFP optics with fiber.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCompatible cable or genuine NVIDIA: what is the difference?\u003c\/strong\u003e\u003cbr\u003eThis is a new third-party cable programmed (coded) to be recognized by NVIDIA\/Mellanox equipment that calls for this part number, at a fraction of the NVIDIA-branded price. Choose the genuine NVIDIA part only if your support contract or internal policy requires NVIDIA-branded parts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat warranty and shipping come with it?\u003c\/strong\u003e\u003cbr\u003eResilient Tec's lifetime warranty. US standard shipping is free with no minimum, and orders typically arrive in 3 to 5 days.\u003c\/p\u003e\n\u003ch3\u003eYou Might Also Need\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"\/products\/nvidia-mellanox-mcp7y00-n002-compatible-800gb-s-osfp-to-2x400gb-s-osfp-passive-breakout-dac-cable-2m\"\u003eMCP7Y00-N002 compatible, 800G OSFP to 2x400G OSFP breakout DAC\u003c\/a\u003e\u003cbr\u003e\u003ca href=\"\/products\/mma4z00-ns-compatible-800g-osfp-sr8-finned-top-ihs-transceiver-quantum-2\"\u003eMMA4Z00-NS compatible, 800G OSFP SR8 twin-port transceiver\u003c\/a\u003e\u003cbr\u003e\u003ca href=\"\/collections\/dac-cables\"\u003eAll DAC cables\u003c\/a\u003e\u003c\/p\u003e\n","brand":"Resilient Tec","offers":[{"title":"Default Title","offer_id":48440381079652,"sku":"MCP7Y50-N001","price":384.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/3482\/4548\/files\/mcp7y50-n001-mellanox-compatible-800g-osfp-to-4x200g-osfp-passive-breakout-dac-cable-1m_1.jpg?v=1793145847"},{"product_id":"mcp4y10-n001-800g-twin-port-osfp-passive-dac-cable-1m-finned-top-quantum-2","title":"MCP4Y10-N001 Compatible 800G Twin-Port OSFP Passive DAC Cable, 1m, Finned Top – Quantum-2 Switch-to-Switch","description":"\u003cp\u003e\u003cstrong\u003eTwin-port 800G OSFP passive DAC for NVIDIA Quantum-2 switch-to-switch links. Finned top on both ends.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePart number:\u003c\/strong\u003e MCP4Y10-N001 (NVIDIA \/ Mellanox LinkX compatible)\u003cbr\u003e\u003cstrong\u003eDescription:\u003c\/strong\u003e 800Gb\/s twin-port OSFP to twin-port OSFP passive direct attach copper cable, 2×400G NDR InfiniBand, 1 m (3.3 ft), 30AWG\u003c\/p\u003e\n\u003cp\u003eThe MCP4Y10-N001 links two NVIDIA Quantum-2 switch ports at 800Gb\/s. Each OSFP end carries two independent 400G NDR links (8 × 100G-PAM4 lanes), so one cable joins two switch cages and carries two 400G ports' worth of traffic. Both ends have the \u003cstrong\u003efinned-top\u003c\/strong\u003e heat sink that air-cooled Quantum-2 and Spectrum-4 switch cages require.\u003c\/p\u003e\n\u003ch2\u003eWhere It Fits, and Where It Does Not\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eYes:\u003c\/strong\u003e Quantum-2 QM9700 \/ QM9790 InfiniBand switch to switch (leaf to spine, inter-switch links) inside a rack or to the next rack.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYes:\u003c\/strong\u003e Spectrum-4 800GbE switch to switch, where the twin-port OSFP cages are finned-top as well.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo:\u003c\/strong\u003e DGX H100 \/ DGX H200 or ConnectX-7 adapters. Those cages are flat-top and their ports are 400G, so a finned-top twin-port cable will not seat. To reach servers from the switch, use the \u003ca href=\"\/products\/nvidia-mellanox-mcp7y00-n002-compatible-800gb-s-osfp-to-2x400gb-s-osfp-passive-breakout-dac-cable-2m\"\u003eMCP7Y00-N002 800G → 2× 400G breakout DAC\u003c\/a\u003e, or flat-top optics such as the \u003ca href=\"\/products\/mma4z00-ns400-compatible-400g-osfp-sr4-flat-top-rhs-transceiver-connectx-7\"\u003eMMA4Z00-NS400\u003c\/a\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart number\u003c\/td\u003e\n\u003ctd\u003eMCP4Y10-N001\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnectors\u003c\/td\u003e\n\u003ctd\u003eTwin-port OSFP, both ends\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData rate\u003c\/td\u003e\n\u003ctd\u003e800Gb\/s (2 × 400G NDR InfiniBand or 800GbE), 8 × 100G-PAM4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTop style\u003c\/td\u003e\n\u003ctd\u003eFinned top, both ends\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCable type\u003c\/td\u003e\n\u003ctd\u003ePassive direct attach copper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWire gauge\u003c\/td\u003e\n\u003ctd\u003e30AWG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e1 m (3.3 ft)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHosts\u003c\/td\u003e\n\u003ctd\u003eNVIDIA Quantum-2 QM9700 \/ QM9790, Spectrum-4 twin-port OSFP switches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003eLifetime, backed by Resilient Tec\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch2\u003eGood to Know\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eNeed 2 m instead? See the \u003ca href=\"\/products\/mcp4y10-n002-800g-twin-port-osfp-passive-dac-cable-2m-finned-top-quantum-2\"\u003eMCP4Y10-N002\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003eBeyond 2 m, use a finned-top \u003ca href=\"\/products\/mma4z00-ns-compatible-800g-osfp-sr8-finned-top-ihs-transceiver-quantum-2\"\u003eMMA4Z00-NS\u003c\/a\u003e at each switch with MPO-12\/APC OM4 trunks.\u003c\/li\u003e\n\u003cli\u003ePassive copper draws almost no power and adds the least latency of any switch-to-switch option.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eRelated Guides\u003c\/h2\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/nvidia-hopper-h100-h200-interconnect-matrix\"\u003eH100 \/ H200 interconnect matrix\u003c\/a\u003e: every link in a Hopper cluster, with the right cable for each.\u003cbr\u003e\u003ca href=\"\/blogs\/news\/osfp-flat-top-vs-finned-top-which-module\"\u003eOSFP flat-top vs finned-top: which do you need?\u003c\/a\u003e\u003c\/p\u003e","brand":"Resilient Tec","offers":[{"title":"Default Title","offer_id":48896023232612,"sku":"MCP4Y10-N001","price":195.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/3482\/4548\/files\/01_main_v2.jpg?v=1794246234"},{"product_id":"mcp4y10-n002-800g-twin-port-osfp-passive-dac-cable-2m-finned-top-quantum-2","title":"MCP4Y10-N002 Compatible 800G Twin-Port OSFP Passive DAC Cable, 2m, Finned Top – Quantum-2 Switch-to-Switch","description":"\u003cp\u003e\u003cstrong\u003eTwin-port 800G OSFP passive DAC for NVIDIA Quantum-2 switch-to-switch links. Finned top on both ends.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePart number:\u003c\/strong\u003e MCP4Y10-N002 (NVIDIA \/ Mellanox LinkX compatible)\u003cbr\u003e\u003cstrong\u003eDescription:\u003c\/strong\u003e 800Gb\/s twin-port OSFP to twin-port OSFP passive direct attach copper cable, 2×400G NDR InfiniBand, 2 m (6.6 ft), 28AWG\u003c\/p\u003e\n\u003cp\u003eThe MCP4Y10-N002 links two NVIDIA Quantum-2 switch ports at 800Gb\/s. Each OSFP end carries two independent 400G NDR links (8 × 100G-PAM4 lanes), so one cable joins two switch cages and carries two 400G ports' worth of traffic. Both ends have the \u003cstrong\u003efinned-top\u003c\/strong\u003e heat sink that air-cooled Quantum-2 and Spectrum-4 switch cages require.\u003c\/p\u003e\n\u003ch2\u003eWhere It Fits, and Where It Does Not\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eYes:\u003c\/strong\u003e Quantum-2 QM9700 \/ QM9790 InfiniBand switch to switch (leaf to spine, inter-switch links) inside a rack or to the next rack.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYes:\u003c\/strong\u003e Spectrum-4 800GbE switch to switch, where the twin-port OSFP cages are finned-top as well.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo:\u003c\/strong\u003e DGX H100 \/ DGX H200 or ConnectX-7 adapters. Those cages are flat-top and their ports are 400G, so a finned-top twin-port cable will not seat. To reach servers from the switch, use the \u003ca href=\"\/products\/nvidia-mellanox-mcp7y00-n002-compatible-800gb-s-osfp-to-2x400gb-s-osfp-passive-breakout-dac-cable-2m\"\u003eMCP7Y00-N002 800G → 2× 400G breakout DAC\u003c\/a\u003e, or flat-top optics such as the \u003ca href=\"\/products\/mma4z00-ns400-compatible-400g-osfp-sr4-flat-top-rhs-transceiver-connectx-7\"\u003eMMA4Z00-NS400\u003c\/a\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart number\u003c\/td\u003e\n\u003ctd\u003eMCP4Y10-N002\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnectors\u003c\/td\u003e\n\u003ctd\u003eTwin-port OSFP, both ends\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData rate\u003c\/td\u003e\n\u003ctd\u003e800Gb\/s (2 × 400G NDR InfiniBand or 800GbE), 8 × 100G-PAM4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTop style\u003c\/td\u003e\n\u003ctd\u003eFinned top, both ends\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCable type\u003c\/td\u003e\n\u003ctd\u003ePassive direct attach copper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWire gauge\u003c\/td\u003e\n\u003ctd\u003e28AWG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e2 m (6.6 ft)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHosts\u003c\/td\u003e\n\u003ctd\u003eNVIDIA Quantum-2 QM9700 \/ QM9790, Spectrum-4 twin-port OSFP switches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003eLifetime, backed by Resilient Tec\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch2\u003eGood to Know\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eNeed 1 m instead? See the \u003ca href=\"\/products\/mcp4y10-n001-800g-twin-port-osfp-passive-dac-cable-1m-finned-top-quantum-2\"\u003eMCP4Y10-N001\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003eBeyond 2 m, use a finned-top \u003ca href=\"\/products\/mma4z00-ns-compatible-800g-osfp-sr8-finned-top-ihs-transceiver-quantum-2\"\u003eMMA4Z00-NS\u003c\/a\u003e at each switch with MPO-12\/APC OM4 trunks.\u003c\/li\u003e\n\u003cli\u003ePassive copper draws almost no power and adds the least latency of any switch-to-switch option.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eRelated Guides\u003c\/h2\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/nvidia-hopper-h100-h200-interconnect-matrix\"\u003eH100 \/ H200 interconnect matrix\u003c\/a\u003e: every link in a Hopper cluster, with the right cable for each.\u003cbr\u003e\u003ca href=\"\/blogs\/news\/osfp-flat-top-vs-finned-top-which-module\"\u003eOSFP flat-top vs finned-top: which do you need?\u003c\/a\u003e\u003c\/p\u003e","brand":"Resilient Tec","offers":[{"title":"Default Title","offer_id":48916337655908,"sku":"MCP4Y10-N002","price":243.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/3482\/4548\/files\/01_main_v2_b10347f6-1af8-45ca-9079-7351844a66a6.jpg?v=1794246246"}],"url":"https:\/\/resilient-tec.com\/collections\/800g-dac-cables.oembed","provider":"Resilient Tec","version":"1.0","type":"link"}