{"product_id":"njaakk-n911-qsfp112-400g-rated-passive-dac-cable-05m-stacking-cable-for-nvidia-dgx-spark-asus-ascent-gx10-dell-pro-max-gb10-njaakk-0006-equivalent","title":"NJAAKK-N911 QSFP112 400G-Rated Passive DAC Cable, 0.5m – Stacking Cable for NVIDIA DGX Spark, ASUS Ascent GX10, Dell Pro Max GB10 (NJAAKK-0006 Equivalent)","description":"\u003cp\u003e\u003cstrong\u003eResilient Tec compatible cable — equivalent to the cables NVIDIA lists as approved for DGX Spark\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 NJAAKK-N911\u003cbr\u003e\u003cstrong\u003eEquivalent to:\u003c\/strong\u003e Amphenol NJAAKK-0006 (0.5 m) — see the part number decoder below\u003cbr\u003e\u003cstrong\u003eDescription:\u003c\/strong\u003e QSFP112 Passive Direct Attach Copper (DAC) cable, 400G-rated, 0.5 m (1.6 ft)\u003c\/p\u003e\n\u003cp\u003eThis is a 0.5 m passive direct-attach copper cable with QSFP112 connectors on both ends, rated for up to 400G on hardware that supports it. It is a compatible build supplied by Resilient Tec, matching the specification of the Amphenol \u003cstrong\u003eNJAAKK-0006\u003c\/strong\u003e that NVIDIA lists as an approved DGX Spark cable.\u003c\/p\u003e\n\u003cp\u003eOn the NVIDIA DGX Spark — and on the OEM GB10 systems built on the same reference platform (HP ZGX Nano AI Station, Dell Pro Max with GB10, ASUS Ascent GX10) — you plug this cable into the system's \u003cstrong\u003eConnectX-7 QSFP ports\u003c\/strong\u003e to link two units directly, with no switch required. Per NVIDIA's DGX Spark documentation, each of these QSFP ports operates at \u003cstrong\u003eup to 200 Gb\/s\u003c\/strong\u003e, so the link runs at 200 Gb\/s even though the cable itself is QSFP112 \/ 400G-rated. There is no separate \"dedicated stacking port\" — the ConnectX-7 QSFP ports are used both for connecting units together and for standard Ethernet \/ RoCE networking.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003ePart Number Decoder — NJAAKK-N911 vs NJAAKK-0006 vs LMTQF022-SD-R\u003c\/h2\u003e\n\u003cp\u003eSeveral part numbers circulate for the DGX Spark stacking cable. They are one specification across two manufacturers and two lengths — and \u003cstrong\u003elength is the only thing that actually separates them\u003c\/strong\u003e:\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003cth\u003eLength\u003c\/th\u003e\n\u003cth\u003eManufacturer\u003c\/th\u003e\n\u003cth\u003eWhat it is\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eNJAAKK-N911\u003c\/td\u003e\n\u003ctd\u003e400 mm (1.3 ft)\u003c\/td\u003e\n\u003ctd\u003eAmphenol\u003c\/td\u003e\n\u003ctd\u003eNVIDIA-listed approved cable — the short version, 32AWG, LSZH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNJAAKK-0006 · NJAAKK0006 · SF-NJAAKK0006-000.5M\u003c\/td\u003e\n\u003ctd\u003e0.5 m (1.6 ft)\u003c\/td\u003e\n\u003ctd\u003eAmphenol\u003c\/td\u003e\n\u003ctd\u003eNVIDIA-listed approved cable — the 0.5 m version of the same cable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLMTQF022-SD-R\u003c\/td\u003e\n\u003ctd\u003e400 mm (1.3 ft)\u003c\/td\u003e\n\u003ctd\u003eLuxshare\u003c\/td\u003e\n\u003ctd\u003eNVIDIA-listed approved cable — Luxshare equivalent, 30AWG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNJAAKKR-0006\u003c\/td\u003e\n\u003ctd\u003e0.5 m (1.6 ft)\u003c\/td\u003e\n\u003ctd\u003ecompatible market\u003c\/td\u003e\n\u003ctd\u003eA compatible-market spelling of the 0.5 m part\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv style=\"border-left: 3px solid #b8791a; background: #f7f8fa; padding: 14px 18px; margin: 14px 0;\"\u003e\n\u003cp style=\"margin:0 0 8px;\"\u003e\u003cstrong\u003eWhat this listing is.\u003c\/strong\u003e A compatible NJAAKK-N911 build at \u003cstrong\u003e0.5 m\u003c\/strong\u003e, supplied by Resilient Tec. It is not a genuine Amphenol or Luxshare part. It meets the same QSFP112 passive copper specification as the NVIDIA-listed NJAAKK-0006 and works normally in DGX Spark and GB10 systems.\u003c\/p\u003e\n\u003cp style=\"margin:0;\"\u003eIf your procurement rules require a genuine OEM part number, \u003ca href=\"\/pages\/request-a-quote\"\u003eask us for a quote\u003c\/a\u003e — we will source it rather than substitute, and tell you the lead time up front.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eLooking for the NJAAKK-0006?\u003c\/strong\u003e This is the cable you want — same 0.5 m length, same QSFP112 connectors on both ends, same passive copper construction.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA note on length.\u003c\/strong\u003e Amphenol's own NJAAKK-N911 is the 400 mm version, while compatible suppliers commonly apply the N911 family number to a 0.5 m cable. That is why two listings can both say NJAAKK-N911 and arrive at different lengths. \u003cstrong\u003eBuy on the stated length, not on the part number alone.\u003c\/strong\u003e This one is 0.5 m.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003eNJAAKK-N911\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupplied by\u003c\/td\u003e\n\u003ctd\u003eResilient Tec (compatible build)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOEM equivalent\u003c\/td\u003e\n\u003ctd\u003eAmphenol NJAAKK-0006 (0.5 m)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterface\u003c\/td\u003e\n\u003ctd\u003eQSFP112\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCable Rating\u003c\/td\u003e\n\u003ctd\u003e400G-rated (4 x 100G 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 (port-capped by NVIDIA spec)\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\u003e0.5 m (50 cm \/ 1.6 ft)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector Type\u003c\/td\u003e\n\u003ctd\u003eQSFP112 on both ends\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\u003eNVIDIA approval status\u003c\/td\u003e\n\u003ctd\u003eCompatible equivalent to the NVIDIA-listed approved cables (Amphenol NJAAKK-N911 \/ NJAAKK-0006, Luxshare LMTQF022-SD-R)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch2\u003eWhich Port Does This Use?\u003c\/h2\u003e\n\u003cp\u003eEach DGX Spark (and each OEM GB10 system) has \u003cstrong\u003etwo ConnectX-7 QSFP ports\u003c\/strong\u003e on the rear panel. These same ports are used both to connect units together and for general Ethernet \/ RoCE networking. NVIDIA caps each port at up to 200 Gb\/s, and notes that using a higher-speed cable does not increase the link rate because the port itself is the limit.\u003c\/p\u003e\n\u003cp\u003eNVIDIA names these approved cables for this connection:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNJAAKK-N911\u003c\/strong\u003e (Amphenol, 400 mm) and \u003cstrong\u003eNJAAKK-0006\u003c\/strong\u003e (Amphenol, 0.5 m)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLMTQF022-SD-R\u003c\/strong\u003e (Luxshare, 400 mm) — \u003ca href=\"\/products\/lmtqf022-sd-r-400g-qsfp112-passive-dac-stacking-cable-0-5m-nvidia-dgx-spark-validated-equivalent\"\u003ealso listed here\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe \u003ca href=\"\/products\/q56-200g-cu0-5-0-5-meter-1-6-ft-200g-qsfp56-passive-direct-attach-copper-dac-dgx-spark\"\u003eMCP1650-V00AE30 (200G QSFP56 DAC)\u003c\/a\u003e is not a part NVIDIA names, but it is a viable, tried-and-tested lower-cost 200G option that our customers have used successfully to stack these systems, with no reported issues.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eHow Many Cables Do You Need?\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eNodes\u003c\/th\u003e\n\u003cth\u003eTopology\u003c\/th\u003e\n\u003cth\u003eSwitch\u003c\/th\u003e\n\u003cth\u003eCables\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003ePoint to point\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003ctd\u003e1 × this cable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003eRing (both ports per node)\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003ctd\u003e3 × this cable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003eRing, custom NCCL — not NVIDIA-supported\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003ctd\u003e4 × this cable. In a rack, wire it folded (1→2→4→3→1) so no cable spans more than two units and 0.5 m reaches.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4+\u003c\/td\u003e\n\u003ctd\u003eThrough a 400G switch\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eOne \u003ca href=\"\/products\/200g-qsfp56-passive-dac-2m-reach-mellanox-nvidia-compatible-download-comprehensive-compatibility-matrix\"\u003e200G QSFP56 DAC\u003c\/a\u003e per node, or an \u003ca href=\"\/products\/nvidia-mellanox-compatible-mcp7h60-w002-400g-qsfp-dd-to-2x200g-qsfp56-passive-breakout-dac-cable-2m\"\u003eMCP7H60 breakout\u003c\/a\u003e on the switch side\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\u003e\n\u003cstrong\u003eUp to four units connect without a switch.\u003c\/strong\u003e Two Sparks take one cable. Three take three cables in a ring, using both QSFP ports on every unit — the configuration NVIDIA documents. Four can also run switchless as a ring of four cables using a custom NCCL build; owners are running it today, but it is outside NVIDIA support and cannot grow past four. A switch is the supported route at four nodes and the only route beyond. \u003ca href=\"\/blogs\/news\/can-you-build-4-node-dgx-spark-cluster-without-a-switch\"\u003eHow the four-node switchless ring works\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eConnects units directly — no switch, transceivers, or adapters required\u003c\/li\u003e\n\u003cli\u003e0.5 m is ideal for two compact desktop units placed side by side; NVIDIA references short passive DAC lengths for this use\u003c\/li\u003e\n\u003cli\u003eWorks across the GB10 ecosystem (NVIDIA DGX Spark, HP ZGX Nano AI Station, Dell Pro Max with GB10, ASUS Ascent GX10), which share the same ConnectX-7 networking\u003c\/li\u003e\n\u003cli\u003eThe ConnectX-7 QSFP ports operate in Ethernet mode (with RoCE), not InfiniBand\u003c\/li\u003e\n\u003cli\u003ePassive copper — no transceivers, no power draw, no firmware\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, three or four GB10-based systems (NVIDIA DGX Spark or an HP \/ Dell \/ ASUS equivalent) — four as a switchless ring needs a custom NCCL build. You want to link them directly through their ConnectX-7 QSFP ports. You need a 0.5 m passive copper cable with QSFP112 connectors on both ends. You are shopping for an NJAAKK-0006, NJAAKK-N911, NJAAKKR-0006 or LMTQF022-SD-R and want a spec-matching cable at a working price.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eRelated Guides\u003c\/h2\u003e\n\u003cp\u003e\u003ca href=\"\/blogs\/news\/nvidia-dgx-spark-stacking-cable-njaakk-n911-what-it-does-who-needs-it-and-how-it-differs-from-the-dac\"\u003eNVIDIA DGX Spark Stacking Cable NJAAKK-N911: What It Does, Who Needs It, and How It Compares to the DAC\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/blogs\/news\/njaakk-n911-vs-lmtqf022-sd-r-same-cable-different-manufacturer-what-s-the-difference\"\u003eNJAAKK-N911 vs NJAAKK-0006 vs LMTQF022-SD-R: What's the Difference?\u003c\/a\u003e\u003c\/p\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\/can-you-build-4-node-dgx-spark-cluster-without-a-switch\"\u003eCan You Build a 4-Node DGX Spark Cluster Without a Switch? The Ring That Works and the Breakout Trick That Doesn't\u003c\/a\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003eCOMPATIBILITY DOCUMENTATION\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eDownload compatibility report: \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0767\/3482\/4548\/files\/NJAAKK-N911_Compatibility_Report_a990a420-cf69-49bb-81dd-3b4a58b38693.pdf?v=1789753527\"\u003eNJAAKK-N911_Compatibility_Report\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003eGuide includes: compatibility notes for NVIDIA DGX Spark and OEM GB10 platforms, ConnectX-7 200GbE port verification, dual-system interconnect setup instructions.\u003c\/p\u003e","brand":"Resilient Tec","offers":[{"title":"Default Title","offer_id":48070105202849,"sku":"NJAAKK-N911-R","price":5220.0,"currency_code":"BRL","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2216\/8673\/files\/NJAAKK-N911-QSFP112-400G-Rated-Passive-DAC-Cable-0_5m-Stacking-Cable-for-NVIDIA-DGX-Spark-ASUS-Ascent-GX10-Dell-Pro-Max-GB10-NJAAKK-0006-Equivalent.png?v=1791961715","url":"https:\/\/www.foxti.com.br\/products\/njaakk-n911-qsfp112-400g-rated-passive-dac-cable-05m-stacking-cable-for-nvidia-dgx-spark-asus-ascent-gx10-dell-pro-max-gb10-njaakk-0006-equivalent","provider":"FoxTI","version":"1.0","type":"link"}