{"product_id":"mma1z00-ns400-compatible-400g-qsfp112-sr4-transceiver-bluefield-3-connectx-7","title":"NVIDIA MMA1Z00-NS400 Compatible 400G QSFP112 SR4 Transceiver — MPO-12\/APC, 850nm MMF, for BlueField-3 and ConnectX-7 QSFP112","description":"\u003cp\u003e\u003cstrong\u003eQSFP112 — the BlueField-3 module, not the OSFP one. $549.00 at Resilient Tec.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNVIDIA MMA1Z00-NS400 compatible — 400G QSFP112 SR4, 850nm multimode, four 100G-PAM4 lanes over a single MPO-12\/APC interface.\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\/nvidia-osfp-transceiver-part-number-crosswalk\"\u003eNVIDIA OSFP part-number crosswalk\u003c\/a\u003e\u003c\/strong\u003e — Mellanox MMA\/MMS numbers mapped to the new NVIDIA 980- numbers, with form factor, optics and the correct part for each end of the link.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOEM Equivalent:\u003c\/strong\u003e NVIDIA \/ Mellanox MMA1Z00-NS400\u003cbr\u003e\u003cstrong\u003eDescription:\u003c\/strong\u003e Single-port QSFP112 SR4 optical transceiver, 400Gb\/s, MPO-12\/APC, multimode, InfiniBand NDR and Ethernet\u003c\/p\u003e\n\n\u003ch2\u003eWhy this part exists, and why people order the wrong one\u003c\/h2\u003e\n\u003cp\u003eNVIDIA's NDR generation ships 400G SR4 optics in \u003cstrong\u003etwo different shells\u003c\/strong\u003e. The optics inside are the same: 4 × 100G-PAM4, 850nm VCSEL, one MPO-12\/APC connector, 50m on OM4. The cage is not.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMMA1Z00-NS400\u003c\/strong\u003e — \u003cstrong\u003eQSFP112\u003c\/strong\u003e. This part, $549.00. For BlueField-3 DPUs and ConnectX-7 adapters in their QSFP112 form.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMMA4Z00-NS400\u003c\/strong\u003e — \u003cstrong\u003eOSFP\u003c\/strong\u003e, flat-top (RHS), $579.00. For \u003ca href=\"\/products\/mma4z00-ns400-compatible-400g-osfp-sr4-flat-top-rhs-transceiver-connectx-7\"\u003eConnectX-7 and ConnectX-8 single-port OSFP\u003c\/a\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe two part numbers differ by one character, describe themselves almost identically on a datasheet, and differ in the single thing that decides whether the module physically seats.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThe rule worth memorising: a BlueField-3 never takes OSFP.\u003c\/strong\u003e NVIDIA states plainly that BlueField-3 adapters accept QSFP112 devices only, and that OSFP is not for use in BlueField-3 DPUs. If a BlueField-3 line is on your PO and someone has quoted you an MMA4Z00-NS400 against it, that quote is wrong — the module will not go in.\u003c\/p\u003e\n\n\u003ch2\u003eWhich one do I need?\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eGoing into\u003c\/th\u003e\n\u003cth\u003eYou need\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBlueField-3 DPU (QSFP112 — the only option BlueField-3 has)\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003eMMA1Z00-NS400\u003c\/strong\u003e — this product, $549.00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnectX-7 in its QSFP112 form\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003eMMA1Z00-NS400\u003c\/strong\u003e — this product, $549.00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnectX-7 \/ ConnectX-8 single-port OSFP, DGX server ports\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/mma4z00-ns400-compatible-400g-osfp-sr4-flat-top-rhs-transceiver-connectx-7\"\u003eMMA4Z00-NS400 — 400G OSFP SR4 flat-top (RHS), $579.00\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAir-cooled Quantum-2 or Spectrum-4 switch port\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/mma4z00-ns-compatible-800g-osfp-sr8-finned-top-ihs-transceiver-quantum-2\"\u003eMMA4Z00-NS — 800G OSFP SR8 twin-port finned-top (IHS), $829.00\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSingle-mode plant instead of multimode\u003c\/td\u003e\n\u003ctd\u003eDR-class part — \u003ca href=\"\/pages\/request-a-quote\"\u003eask us\u003c\/a\u003e, the MMA \/ MMS prefix is the tell\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eThe far end of the link\u003c\/h2\u003e\n\u003cp\u003eNVIDIA documents this module in the same two topologies as its OSFP sibling. In both, the far end is a twin-port 800G module in the switch — the \u003ca href=\"\/products\/mma4z00-ns-compatible-800g-osfp-sr8-finned-top-ihs-transceiver-quantum-2\"\u003eMMA4Z00-NS\u003c\/a\u003e in a Quantum-2 InfiniBand or Spectrum-4 Ethernet switch.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eTopology\u003c\/th\u003e\n\u003cth\u003eFiber\u003c\/th\u003e\n\u003cth\u003eWhat one switch port feeds\u003c\/th\u003e\n\u003cth\u003eRate per adapter\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull 400G\u003c\/td\u003e\n\u003ctd\u003eStraight crossover (MFP7E10 class)\u003c\/td\u003e\n\u003ctd\u003eTwo ConnectX-7\/QSFP112 and\/or BlueField-3 cards\u003c\/td\u003e\n\u003ctd\u003e400G\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNDR200 \/ 200GbE\u003c\/td\u003e\n\u003ctd\u003e1:2 splitter (MFP7E20 class)\u003c\/td\u003e\n\u003ctd\u003eAny combination of four ConnectX-7 adapters and\/or BlueField-3 DPUs\u003c\/td\u003e\n\u003ctd\u003e200G\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eBoth fibers on the twin-port switch module must be the same type\u003c\/strong\u003e — two straight cables or two splitters, never one of each. And a splitter does not give you 400G per leg: each split end carries two of the four channels, so the adapter negotiates down to 200G silently, with nothing to flag it. \u003ca href=\"\/pages\/mpo-12-apc-1-2-splitter-cable-custom-build\"\u003eWe build 1:2 MPO-12\/APC splitters to order.\u003c\/a\u003e\u003c\/p\u003e\n\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\u003eOEM equivalent\u003c\/td\u003e\n\u003ctd\u003eNVIDIA \/ Mellanox MMA1Z00-NS400\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eForm factor\u003c\/td\u003e\n\u003ctd\u003eSingle-port QSFP112\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData rate\u003c\/td\u003e\n\u003ctd\u003e400Gb\/s — 4 × 100G-PAM4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical interface\u003c\/td\u003e\n\u003ctd\u003eSR4, 850nm VCSEL, multimode (MMF)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector\u003c\/td\u003e\n\u003ctd\u003e1 × MPO-12\/APC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReach\u003c\/td\u003e\n\u003ctd\u003e30 m on OM3 \/ 50 m on OM4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower draw\u003c\/td\u003e\n\u003ctd\u003e8.5 W max at 400G (4 channels) · 5.5 W max at 200G (2 channels)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtocol\u003c\/td\u003e\n\u003ctd\u003eInfiniBand NDR and Ethernet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHost platforms\u003c\/td\u003e\n\u003ctd\u003eBlueField-3\/QSFP112 DPUs, ConnectX-7\/QSFP112 adapters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOSFP equivalent\u003c\/td\u003e\n\u003ctd\u003eMMA4Z00-NS400 — for ConnectX-7\/ConnectX-8 single-port OSFP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSwitch-side counterpart\u003c\/td\u003e\n\u003ctd\u003eMMA4Z00-NS — 800G twin-port OSFP, Quantum-2 \/ Spectrum-4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDOM \/ DDM\u003c\/td\u003e\n\u003ctd\u003eSupported\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoding\u003c\/td\u003e\n\u003ctd\u003eCoded specifically for NVIDIA \/ Mellanox\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCondition\u003c\/td\u003e\n\u003ctd\u003eNew\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\n\u003c\/table\u003e\n\n\u003ch2\u003eThe fiber it needs\u003c\/h2\u003e\n\u003cp\u003eSame fiber as the OSFP part, and the same trap: \u003cstrong\u003eMPO-12\/APC\u003c\/strong\u003e — angle-polished at 8°, Type B crossover, female\/unpinned. The module carries the alignment pins; the cable carries the holes.\u003c\/p\u003e\n\u003cp\u003eThe MPO-12\/\u003cstrong\u003eUPC\u003c\/strong\u003e cords in an existing 100G or 200G fabric are flat-polished and \u003cstrong\u003ecannot mate\u003c\/strong\u003e with an NDR module. If you are upgrading rather than building new, none of your current MPO patch cords come forward with you — budget the fiber alongside the optics. \u003ca href=\"\/blogs\/news\/mpo-12-apc-vs-upc-ndr-fiber-guide\"\u003eThe full MPO-12\/APC vs UPC guide\u003c\/a\u003e covers endface, pinning, polarity and the key-up-to-key-down rule most published guidance gets wrong.\u003c\/p\u003e\n\u003cp\u003eIn stock now: \u003ca href=\"\/products\/mpo-12-apc-om4-multimode-fiber-patch-cord-type-b-female-unpinned-low-loss-for-nvidia-ndr-400g-800g-optics\"\u003eMPO-12\/APC OM4 Type B trunk cable, female-to-female, 1 m to 20 m, $59.00 to $139.00\u003c\/a\u003e, and the genuine NVIDIA \u003ca href=\"\/products\/nvidia-mfp7e10-n005-5m-passive-multimode-fiber-cable-mpo-12-apc-to-mpo-12-apc\"\u003eMFP7E10-N005 5 m assembly at $44.95\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eGood to know\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQSFP112 is not QSFP-DD, and not QSFP56.\u003c\/strong\u003e It carries four 100G-PAM4 lanes in a QSFP-sized shell. A QSFP-DD module will not seat in it and vice versa — see \u003ca href=\"\/blogs\/news\/osfp-vs-qsfp-dd-gpu-clusters\"\u003eOSFP vs QSFP-DD\u003c\/a\u003e for where each form factor lives.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlat-top and finned-top do not apply here.\u003c\/strong\u003e That distinction belongs to the OSFP family, where the question is whether the module or the cage carries the heatsink. QSFP112 has one shape. If someone is asking you which top style you need on a QSFP112 part, they are quoting from the wrong family — \u003ca href=\"\/blogs\/news\/osfp-flat-top-vs-finned-top-which-module\"\u003ehere is the rule that actually applies\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReach is the module's, not the channel's.\u003c\/strong\u003e The 50 m OM4 figure already assumes patch panels in the path, which is four connector junctions. More hops means less usable distance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoding matters more than the glass.\u003c\/strong\u003e A module that is not coded for the specific host platform can be flagged or rejected even when the optics are perfect — \u003ca href=\"\/blogs\/news\/is-a-third-party-mma4z00-ns-ns400-safe-compatible-ndr-transceiver\"\u003ewhat to check before buying compatible NDR optics\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIf the run is short enough, skip the optics.\u003c\/strong\u003e Copper sidesteps the coding and fiber questions entirely — \u003ca href=\"\/blogs\/news\/osfp-dac-cables-what-they-are-when-to-use-one\"\u003ewhere that line falls\u003c\/a\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eQuick checklist — is this the right module?\u003c\/h2\u003e\n\u003cp\u003eYour adapter is a \u003cstrong\u003eBlueField-3 DPU\u003c\/strong\u003e or a \u003cstrong\u003eConnectX-7 in QSFP112\u003c\/strong\u003e. The cage is QSFP112, not OSFP. Your fiber plant is \u003cstrong\u003emultimode\u003c\/strong\u003e (OM3 or OM4) with \u003cstrong\u003eMPO-12\/APC\u003c\/strong\u003e connectors. Your runs are 50 m or shorter. You want 400G NDR InfiniBand or 400G Ethernet, or 200G off a splitter.\u003c\/p\u003e\n\n\u003ch2\u003eAvailability\u003c\/h2\u003e\n\u003cp style=\"border-left: 3px solid #1e8f5e; background: #f7f8fa; padding: 10px 14px; margin: 14px 0;\"\u003e\u003cstrong\u003e$549.00 · Sourced to order from Resilient Tec.\u003c\/strong\u003e\u003cbr\u003eThis part is not held on the shelf. Tell us the quantity and the host platform and we will confirm lead time and volume pricing the same day. \u003ca href=\"\/pages\/request-a-quote\"\u003e\u003cstrong\u003eRequest a quote →\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003eShipped from Knoxville, Tennessee. Free standard shipping on all US orders, no minimum. POs and net terms available for qualified business accounts. Populating a pod? Tell us the node count and the module part numbers at both ends and we will quote the optics and the fiber together.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWarranty:\u003c\/strong\u003e lifetime, \u003ca href=\"\/pages\/lifetime-warranty\"\u003ebacked by Resilient Tec\u003c\/a\u003e — not a manufacturer term. When a module fails you reach a named seller in Knoxville, not a ticket queue.\u003c\/p\u003e\n\n\u003ch2\u003eYou might also need\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/mma4z00-ns-compatible-800g-osfp-sr8-finned-top-ihs-transceiver-quantum-2\"\u003eMMA4Z00-NS — 800G OSFP SR8 twin-port finned-top (IHS)\u003c\/a\u003e — $829.00, the switch-side module at the far end. One of those feeds two of these.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/mma4z00-ns400-compatible-400g-osfp-sr4-flat-top-rhs-transceiver-connectx-7\"\u003eMMA4Z00-NS400 — 400G OSFP SR4 flat-top (RHS)\u003c\/a\u003e — $579.00, the OSFP sibling, for ConnectX-7\/ConnectX-8 single-port OSFP and DGX ports\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/mpo-12-apc-om4-multimode-fiber-patch-cord-type-b-female-unpinned-low-loss-for-nvidia-ndr-400g-800g-optics\"\u003eMPO-12\/APC OM4 multimode trunk cable, Type B, female-to-female\u003c\/a\u003e — $59.00 to $139.00, one per module, 1 m to 20 m, in stock\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/nvidia-mfp7e10-n005-5m-passive-multimode-fiber-cable-mpo-12-apc-to-mpo-12-apc\"\u003eMFP7E10-N005 — 5 m MPO-12\/APC multimode fiber\u003c\/a\u003e — $44.95, genuine NVIDIA\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/pages\/mpo-12-apc-1-2-splitter-cable-custom-build\"\u003eMPO-12\/APC 1:2 splitter cables\u003c\/a\u003e — built to order, for NDR200 fan-out from one twin-port switch port to four adapters\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/pages\/nvidia-osfp-transceiver-part-number-crosswalk\"\u003eNVIDIA OSFP part-number crosswalk\u003c\/a\u003e — check a part number against your ports before the PO goes out\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/collections\/transceivers\"\u003eTransceivers\u003c\/a\u003e — the rest of the optics catalog\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eRelated guides\u003c\/h2\u003e\n\u003cp\u003e\u003ca href=\"\/blogs\/news\/mpo-12-apc-vs-upc-ndr-fiber-guide\"\u003eMPO-12\/APC vs UPC: Why Your Existing Fiber Won't Work With NDR Optics\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/blogs\/news\/does-the-mma4z00-ns400-work-with-my-system-connectx-7-quantum-2-dgx-h100\"\u003eDoes the MMA4Z00-NS400 Work With My System? ConnectX-7, BlueField-3, Quantum-2 and DGX H100 Compatibility\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/blogs\/news\/osfp-flat-top-vs-finned-top-which-module\"\u003eFlat-Top or Finned-Top OSFP? How to Tell Which Module Your ConnectX-7 Actually Needs\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/blogs\/news\/is-a-third-party-mma4z00-ns-ns400-safe-compatible-ndr-transceiver\"\u003eIs a Third-Party MMA4Z00-NS or MMA4Z00-NS400 Safe? What to Check Before You Buy\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/blogs\/news\/osfp-vs-qsfp-dd-gpu-clusters\"\u003eOSFP vs. QSFP-DD: A Practical Breakdown for GPU Clusters\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/blogs\/news\/what-is-ndr-infiniband-used-for-connectx-7-quantum-2-explained\"\u003eWhat Is NDR InfiniBand Actually Used For? ConnectX-7, Quantum-2 and Real AI Cluster Fabrics Explained\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/blogs\/news\/nvidia-800g-400g-transceiver-shortage-2026-lead-times\"\u003eWhy 800G and 400G NVIDIA Optics Have 40+ Week Lead Times in 2026\u003c\/a\u003e\u003c\/p\u003e","brand":"Resilient Tec","offers":[{"title":"Default Title","offer_id":49289930244196,"sku":"MMA1Z00-NS400","price":549.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/3482\/4548\/files\/IMG_5117.jpg?v=1788898736","url":"https:\/\/resilient-tec.com\/products\/mma1z00-ns400-compatible-400g-qsfp112-sr4-transceiver-bluefield-3-connectx-7","provider":"Resilient Tec","version":"1.0","type":"link"}