{"product_id":"mcp1650-v001e30-qsfp-cx7-cable-200g-qsfp56-passive-dac-1m-dgx-spark","title":"MCP1650-V001E30 QSFP\/CX7 Cable — 200G QSFP56 Passive DAC, 1m – NVIDIA DGX Spark Compatible","description":"\u003cp\u003e\u003cstrong\u003eEEPROM coded for NVIDIA \/ Mellanox ConnectX-7\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNVIDIA DGX Spark compatible — 200G QSFP56 passive DAC cable, 1 m\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"border-left: 3px solid #1e8f5e; background: #f7f8fa; padding: 10px 14px; margin: 14px 0;\"\u003e→ \u003cstrong\u003e\u003ca href=\"\/pages\/dgx-spark-interconnect-reference\"\u003eDGX Spark interconnect reference\u003c\/a\u003e\u003c\/strong\u003e — approved part numbers, real-world throughput, and what to buy at two, three and four or more nodes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e MCP1650-V001E30 (NVIDIA \/ Mellanox equivalent)\u003cbr\u003e\u003cstrong\u003eDescription:\u003c\/strong\u003e QSFP56 Passive Direct Attach Copper (DAC) cable, 200G-rated, 1 m (3.3 ft)\u003c\/p\u003e\n\u003cp\u003eThe MCP1650-V001E30 is the 1 m version of our \u003ca href=\"\/products\/q56-200g-cu0-5-0-5-meter-1-6-ft-200g-qsfp56-passive-direct-attach-copper-dac-dgx-spark\"\u003eMCP1650-V00AE30 DGX Spark cable\u003c\/a\u003e: the same QSFP56 connectors, the same 200GbE Ethernet coding and the same ConnectX-7 compatibility, with more reach. One metre gives you slack for stacked or side-by-side units, room to cable a three- or four-unit ring without strain, or a short run to a switch directly above or below.\u003c\/p\u003e\n\u003cp\u003eEach ConnectX-7 QSFP port on the DGX Spark operates at \u003cstrong\u003eup to 200 Gb\/s\u003c\/strong\u003e, which this 200G cable matches exactly. Because the NVIDIA GB10 reference design is shared across the ecosystem, the same cable also works on the OEM GB10 systems, including the Dell Pro Max with GB10, HP ZGX Nano AI Station and ASUS Ascent GX10.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003eMCP1650-V001E30 (NVIDIA \/ Mellanox equivalent)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterface\u003c\/td\u003e\n\u003ctd\u003eQSFP56\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCable Rating\u003c\/td\u003e\n\u003ctd\u003e200G-rated (4 x 50G PAM4 lanes)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLink speed on DGX Spark \/ GB10 systems\u003c\/td\u003e\n\u003ctd\u003eUp to 200 Gb\/s per port\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCable Type\u003c\/td\u003e\n\u003ctd\u003ePassive Direct Attach Copper (DAC)\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\u003eGauge\u003c\/td\u003e\n\u003ctd\u003e30 AWG twinax\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Draw\u003c\/td\u003e\n\u003ctd\u003eUnder 0.1 W (no active components)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector Type\u003c\/td\u003e\n\u003ctd\u003eQSFP56 on both ends\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector Gender\u003c\/td\u003e\n\u003ctd\u003eMale to male\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePort Used\u003c\/td\u003e\n\u003ctd\u003eConnectX-7 QSFP port\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePort Mode\u003c\/td\u003e\n\u003ctd\u003eEthernet (with RoCE), not InfiniBand\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandards\u003c\/td\u003e\n\u003ctd\u003eQSFP56 MSA, IEEE 802.3bj, IEEE 802.3cd, RoHS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch2\u003eHow Many Units Can You Connect?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e2 units:\u003c\/strong\u003e one cable, port to port. No switch.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3 units:\u003c\/strong\u003e three cables in a ring, using both QSFP ports on every unit. Still no switch.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4 units, no switch:\u003c\/strong\u003e four cables in a ring. It works, but it needs a custom NCCL topology and NVIDIA does not support it. \u003ca href=\"\/blogs\/news\/can-you-build-4-node-dgx-spark-cluster-without-a-switch\"\u003eHow it's done →\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4 or more units with a switch:\u003c\/strong\u003e the supported route. One cable per unit into a QSFP-DD switch port, with each port pinned to 200G.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eChoose Your Length\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eLength\u003c\/th\u003e\n\u003cth\u003ePart number\u003c\/th\u003e\n\u003cth\u003eGauge\u003c\/th\u003e\n\u003cth\u003eTypical use\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e0.5 m\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/q56-200g-cu0-5-0-5-meter-1-6-ft-200g-qsfp56-passive-direct-attach-copper-dac-dgx-spark\"\u003eMCP1650-V00AE30\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e30 AWG\u003c\/td\u003e\n\u003ctd\u003eTwo units side by side\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1 m\u003c\/td\u003e\n\u003ctd\u003eMCP1650-V001E30 (this cable)\u003c\/td\u003e\n\u003ctd\u003e30 AWG\u003c\/td\u003e\n\u003ctd\u003eRings, stacked units, adjacent switch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1.5 m\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/mcp1650-v01ae30-qsfp-cx7-cable-200g-qsfp56-passive-dac-1-5m-dgx-spark\"\u003eMCP1650-V01AE30\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e30 AWG\u003c\/td\u003e\n\u003ctd\u003eTop-of-rack switch, a few units away\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2 m\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/mcp1650-v002e26-qsfp-cx7-cable-200g-qsfp56-passive-dac-2m-dgx-spark\"\u003eMCP1650-V002E26\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e26 AWG\u003c\/td\u003e\n\u003ctd\u003eDesk or shelf to switch, half-rack runs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3 m\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/mcp1650-v003e26-qsfp-cx7-cable-200g-qsfp56-passive-dac-3m-dgx-spark\"\u003eMCP1650-V003E26\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e26 AWG\u003c\/td\u003e\n\u003ctd\u003eFull-rack runs, longest passive reach\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch2\u003eGood to Know\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eNo transceivers or adapters required, and no switch for two or three units\u003c\/li\u003e\n\u003cli\u003eThe ConnectX-7 QSFP ports operate in Ethernet mode (with RoCE), not InfiniBand\u003c\/li\u003e\n\u003cli\u003eOn a switch, set each connected port to 200G manually. Left on auto-negotiate, links commonly settle at 50G\u003c\/li\u003e\n\u003cli\u003eWorks across the GB10 ecosystem, which shares the same ConnectX-7 200GbE networking\u003c\/li\u003e\n\u003cli\u003eThe physical location and labeling of the ConnectX-7 port can differ by chassis, so confirm the port location in your vendor manual before cabling\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eQuick Checklist — Is This the Right Cable?\u003c\/h2\u003e\n\u003cp\u003eYou have two or more NVIDIA DGX Spark systems (or GB10-based equivalents). You want to link them through their ConnectX-7 QSFP ports, either directly or through a switch. You need more reach than a 0.5 m cable gives you, and you want a passive 200G QSFP56 copper cable that runs at the full 200 Gb\/s the port supports.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eRelated Guides\u003c\/h2\u003e\n\u003cp\u003e\u003ca href=\"\/blogs\/news\/how-to-connect-two-nvidia-dgx-spark-systems-the-cable-you-need-and-why\"\u003eHow to Connect Two NVIDIA DGX Spark Systems: The Cable You Need and Why\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/blogs\/news\/why-connect-two-or-more-nvidia-dgx-sparks-hardware-limits-topologies-and-scaling-explained\"\u003eWhy Connect Two (or More) NVIDIA DGX Sparks? Hardware Limits, Topologies, and Scaling Explained\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/blogs\/news\/can-you-build-4-node-dgx-spark-cluster-without-a-switch\"\u003eCan You Build a 4-Node DGX Spark Cluster Without a Switch?\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/blogs\/news\/does-the-dgx-spark-cable-work-with-the-asus-ascent-gx10-dell-pro-max-gb10-and-hp-gb10-systems\"\u003eDoes the DGX Spark Cable Work With Every GB10 System?\u003c\/a\u003e\u003c\/p\u003e","brand":"Resilient Tec","offers":[{"title":"Default Title","offer_id":67678609834084,"sku":"MCP1650-V001E30","price":97.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/3482\/4548\/files\/MCP1650-H001E30_ad9b5a11-9afe-40c6-8ea2-1cf6009a8d3c.jpg?v=1771295918","url":"https:\/\/resilient-tec.com\/products\/mcp1650-v001e30-qsfp-cx7-cable-200g-qsfp56-passive-dac-1m-dgx-spark","provider":"Resilient Tec","version":"1.0","type":"link"}