{"product_id":"mms4x00-ns400-compatible-400g-osfp-dr4-flat-top-rhs-transceiver-connectx-7","title":"NVIDIA MMS4X00-NS400 Compatible 400G OSFP DR4 Flat-Top (RHS) Transceiver — MPO-12\/APC SMF, 1310nm, 500m, for ConnectX-7","description":"\u003cp\u003e\u003cstrong\u003eFlat-Top (RHS) — the NIC-side module, not the switch-side module.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNVIDIA MMS4X00-NS400 compatible — 400G OSFP DR4, \u003cstrong\u003e1310 nm single-mode\u003c\/strong\u003e, four 100G-PAM4 lanes over a single MPO-12\/APC interface, rated 2 to 500 metres. Coded for NVIDIA. For ConnectX-7 and ConnectX-8 single-port OSFP host adapters.\u003c\/p\u003e\n\n\u003ch2\u003eSingle-mode DR is not a faster SR\u003c\/h2\u003e\n\u003cp\u003eThis is the part people get wrong. DR-class modules are \u003cstrong\u003esingle-mode\u003c\/strong\u003e. The SR4 and SR8 modules of the same generation are \u003cstrong\u003emultimode\u003c\/strong\u003e. Moving from SR to DR is a change to your fiber plant, not a firmware-and-swap upgrade:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDifferent fiber.\u003c\/strong\u003e OS2 9\/125 single-mode, not OM3\/OM4 multimode. An OM4 cable in this port will look like a loss problem and cost you an afternoon.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDifferent reach.\u003c\/strong\u003e 500 m here against 50 m on the multimode SR4 part. That is the reason to be on DR at all.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSame connector, still APC.\u003c\/strong\u003e MPO-12\/APC, 8° angled endface. The UPC cords from a 100G or 200G fabric will not mate with it — \u003ca href=\"\/blogs\/news\/mpo-12-apc-vs-upc-ndr-fiber-guide\"\u003ethe full fiber guide is here\u003c\/a\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eOSFP, and what that rules out\u003c\/h2\u003e\n\u003cp\u003eThis is an \u003cstrong\u003eOSFP\u003c\/strong\u003e module. It goes in a single-port OSFP cage on a ConnectX-7 or ConnectX-8 adapter.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIt does not go in a BlueField-3.\u003c\/strong\u003e NVIDIA states that BlueField-3 adapters accept QSFP112 devices only, and that OSFP is not for use in BlueField-3 DPUs. If you are populating BlueField-3 on multimode, the part you want is the \u003ca href=\"\/products\/mma1z00-ns400-compatible-400g-qsfp112-sr4-transceiver-bluefield-3-connectx-7\"\u003eMMA1Z00-NS400 in QSFP112\u003c\/a\u003e; on single-mode, \u003ca href=\"\/pages\/request-a-quote\"\u003eask us and we will source the QSFP112 DR part\u003c\/a\u003e rather than ship you a module that cannot seat.\u003c\/p\u003e\n\n\u003ch2\u003eWhat you need alongside it\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eItem\u003c\/th\u003e\n\u003cth\u003eQuantity\u003c\/th\u003e\n\u003cth\u003eNote\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMPO-12\/APC \u003cstrong\u003eOS2 single-mode\u003c\/strong\u003e cable\u003c\/td\u003e\n\u003ctd\u003e1 per module\u003c\/td\u003e\n\u003ctd\u003eFemale\/unpinned — this module carries the alignment pins\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eA matching DR-class module at the far end\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003eType B crossover cable to link two transceivers directly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003eThe module is \u003cstrong\u003epinned\u003c\/strong\u003e; the fiber connector carries the matching holes. That is why the cable you want is female\/unpinned, and why a pinned trunk connector is the wrong thing to put in this port.\u003c\/p\u003e\n\n\u003ch2\u003eReach: read the 500 m carefully\u003c\/h2\u003e\n\u003cp\u003e500 m is the module's optical budget, not a patch-cable specification. NVIDIA's own single-mode assemblies for this generation stop at 150 m — past that you are into structured cabling, patch panels and a loss budget you have to actually calculate. Every MPO mating in the path costs you, and at these distances the connectors are most of the budget, not the fiber.\u003c\/p\u003e\n\u003cp\u003eIf your run is inside a rack or a row, a single patch cable does it and the 500 m number is headroom you will never touch.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eForm factor\u003c\/td\u003e\n\u003ctd\u003eOSFP, flat-top (RHS — riding heat sink)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePorts\u003c\/td\u003e\n\u003ctd\u003e1 × MPO-12\/APC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData rate\u003c\/td\u003e\n\u003ctd\u003e400 Gb\/s — 4 × 100G-PAM4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMedia\u003c\/td\u003e\n\u003ctd\u003eSingle-mode fiber (OS2)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWavelength\u003c\/td\u003e\n\u003ctd\u003e1304.5–1317.5 nm, 1311 nm centre\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReach\u003c\/td\u003e\n\u003ctd\u003e2–500 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector\u003c\/td\u003e\n\u003ctd\u003eMPO-12\/APC, pinned, green housing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax power\u003c\/td\u003e\n\u003ctd\u003e9 W at 400 Gb\/s · 6 W at 200 Gb\/s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDOM\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHost platforms\u003c\/td\u003e\n\u003ctd\u003eConnectX-7 and ConnectX-8 single-port OSFP (not BlueField-3 — QSFP112 only)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMultimode equivalent\u003c\/td\u003e\n\u003ctd\u003e\n\u003ca href=\"\/products\/mma4z00-ns400-compatible-400g-osfp-sr4-flat-top-rhs-transceiver-connectx-7\"\u003eMMA4Z00-NS400\u003c\/a\u003e (OSFP) · \u003ca href=\"\/products\/mma1z00-ns400-compatible-400g-qsfp112-sr4-transceiver-bluefield-3-connectx-7\"\u003eMMA1Z00-NS400\u003c\/a\u003e (QSFP112)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoding\u003c\/td\u003e\n\u003ctd\u003eNVIDIA\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\/table\u003e\n\n\u003ch2\u003eFlat-top or finned-top — which do I have?\u003c\/h2\u003e\n\u003cp\u003eFlat-top (RHS) is the \u003cstrong\u003ehost adapter\u003c\/strong\u003e part: it sits in a NIC cage in an air-cooled server, and the system's own airflow does the cooling. Finned-top (IHS) is the \u003cstrong\u003eswitch\u003c\/strong\u003e part, with an integrated heat sink for a switch chassis.\u003c\/p\u003e\n\u003cp\u003eThey are not interchangeable and they are not a preference. If you are populating a ConnectX-7 or ConnectX-8 single-port OSFP cage, this flat-top part is the one. If you are populating a Quantum-2 switch, you want the twin-port module instead.\u003c\/p\u003e\n\n\u003ch2\u003eAvailability\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eSourced to order from Resilient Tec.\u003c\/strong\u003e Tell us your quantity and we will confirm lead time and pricing the same day. \u003ca href=\"\/pages\/request-a-quote\"\u003eRequest a quote →\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003eShipped from Knoxville, Tennessee. Free standard shipping on all US orders, no minimum. Building a pod? Tell us your node count and we will quote the modules and the cables 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 something 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\/mpo-12-apc-os2-single-mode-fiber-patch-cord-type-b-female-unpinned-low-loss-for-nvidia-dr-class-single-mode-optics\"\u003eMPO-12\/APC OS2 single-mode trunk cable\u003c\/a\u003e — the cable this module needs, one per port\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\u003c\/a\u003e — the multimode equivalent, if your plant is OM3\/OM4 rather than OS2\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/mma1z00-ns400-compatible-400g-qsfp112-sr4-transceiver-bluefield-3-connectx-7\"\u003eMMA1Z00-NS400 — 400G QSFP112 SR4\u003c\/a\u003e — the QSFP112 multimode part, for BlueField-3 and ConnectX-7 QSFP112\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 in single-mode or multimode, for NDR200 fan-out\u003c\/li\u003e\n\u003cli\u003e\n\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 — endface, pinning, polarity and key orientation\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/pages\/nvidia-osfp-transceiver-part-number-crosswalk\"\u003eNVIDIA OSFP part-number crosswalk\u003c\/a\u003e — flat-top vs finned-top, SR vs DR, before you order\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","brand":"Resilient Tec","offers":[{"title":"Default Title","offer_id":49280962887780,"sku":"MMS4X00-NS400","price":809.0,"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\/mms4x00-ns400-compatible-400g-osfp-dr4-flat-top-rhs-transceiver-connectx-7","provider":"Resilient Tec","version":"1.0","type":"link"}