RFQ
01Part-number led inquiry path
MMA4Z00-NS400 can be used as the direct starting point for quotation, BOM sharing and availability discussion.
Optical transceivers• MMA4Z00-NS400
NVIDIA MMA4Z00-NS400 400Gb/s OSFP SR4 Multimode Transceiver
400Gb/s OSFP SR4 transceiver for ConnectX-7, dual-protocol InfiniBand/Ethernet, 50m OM4 reach, MPO-12/APC connector, CMIS 4.0 compliant.
RFQ
Inquiry ready
Clear path for part number, quantity and BOM-led contact.
EN / AR
Bilingual buyer flow
Useful for procurement teams coordinating technical review across regions.
Datasheet available
The product datasheet can be downloaded directly from this page.
Fast technical snapshotDatasheet available
MMA4Z00-NS400
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Selected specs
400Gb/s (4x 100G PAM4) / 200Gb/s (2x 100G PAM4 in splitter mode)
8.5W at 400G; 5.5W at 200G; 2W in low-power mode
CMIS 4.0 compliant, 2-wire serial (I²C) up to 400kHz
Class 1M, CDRH 21 CFR 1040, IEC 62368
Deployment fit
Switch-to-HCA 400G Links: Connecting a Quantum-2 or Spectrum-4 switch (using twin-port transceivers) to a ConnectX-7 OSFP adapter via straight MFP7E10 fiber cables.
Follow-up path
Quote / Compatibility / Availability
Prepared for part-number led and BOM-led requests
MMA4Z00-NS400
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Product media
From product visual to RFQ context
When product photography is available it appears here for faster review, and a clean technical outline remains useful for early evaluation when imagery is limited.
01Product imagery when available
02Clear technical outline for fast review
03Built for specification review before inquiry
Overview
Product overview
The MMA4Z00-NS400 is a key component in NVIDIA's end-to-end 400G InfiniBand and Ethernet ecosystems. It is specifically engineered for use with ConnectX-7 OSFP-based host channel adapters (HCAs) and connects to twin-port OSFP transceivers in NVIDIA Quantum-2 or Spectrum-4 switches. The module features 4 independent transmit and receive channels using 850nm VCSEL technology. When paired with a 1:2 splitter fiber cable (MFP7E20 series), only two channels are activated, automatically reducing the speed to 200Gb/s (NDR200) and lowering power consumption to 5.5W. The transceiver is CMIS 4.0 compliant and supports advanced digital diagnostics monitoring (DDM).
Key features
- Dual-Protocol Support: Seamlessly operates in both InfiniBand (NDR) and Ethernet (400GbE) environments with automatic protocol detection.
- High-Speed Optics: 4 channels of 100G PAM4 modulation with 850nm VCSEL arrays.
- Extended Reach: 50 meters over OM4 multimode fiber, 30 meters over OM3.: Intelligent Power Scaling: Automatically reduces power from 8.5W to 5.5W when operating in 200G mode (2-channel mode).
- Flat-Top OSFP Design: Optimized for thermal management with the riding heatsink on ConnectX-7 adapter cages.
- Angled Polish Connector: MPO-12/APC (green shell) minimizes back reflection; not compatible with UPC (aqua) connectors.
- Comprehensive Diagnostics: Supports Tx/Rx power monitoring, bias current, voltage, and temperature via DDM.
- Regulatory Compliance: Class 1 laser safety, RoHS compliant, OSFP MSA and CMIS 4.0 compliant.
- The MMA4Z00-NS400 leverages 100G per lane PAM4 modulation technology. The electrical host interface consists of 8 differential pairs (4 Tx, 4 Rx) operating at 53.125 Gbaud. The optical engine uses 850nm VCSELs with integrated driver and TIA arrays. The module includes adaptive Tx input equalization, programmable Rx output amplitude, and pre-/post-cursor tuning for signal integrity optimization. Built-in PRBS generator and checker enable in-system link validation without external test equipment.
Typical applications
- Switch-to-HCA 400G Links: Connecting a Quantum-2 or Spectrum-4 switch (using twin-port transceivers) to a ConnectX-7 OSFP adapter via straight MFP7E10 fiber cables.
- 200G Fan-Out Configuration: Using MFP7E20 1:2 splitter cables to connect one twin-port switch transceiver to four ConnectX-7 adapters operating at 200Gb/s each.
- Switch-to-Switch Uplinks: Direct attachment to twin-port transceivers in switches for 400G or 800G aggregation.
- High-Density AI Clusters: Enabling low-latency, high-bandwidth connectivity in GPU-accelerated environments with BlueField-3 DPUs (via QSFP112 adapters).
- Note: This OSFP module is not compatible with BlueField-3 DPUs, which require QSFP112 form factor.
Buying flow
How this product review turns into a real inquiry
This section gives buyers a practical handoff from technical review into quotation or compatibility follow-up.
01
Identify the exact target model
Start from MMA4Z00-NS400 or the product name to reduce ambiguity before quotation starts.
02
Add quantity or deployment context
Share quantity, destination or BOM context so the commercial follow-up is aligned with the project scope.
03
Move into availability and fit review
Use the page as the handoff point for stock discussion, compatibility checks and delivery planning.
Technical snapshot
- 400Gb/s (4x 100G PAM4) / 200Gb/s (2x 100G PAM4 in splitter mode)
- 8.5W at 400G; 5.5W at 200G; 2W in low-power mode
- CMIS 4.0 compliant, 2-wire serial (I²C) up to 400kHz
- Class 1M, CDRH 21 CFR 1040, IEC 62368
Trust signals
Why buyers use this page to review MMA4Z00-NS400
The page is designed to reduce the distance between specification review and a real commercial inquiry.
Review
02Compatibility review before follow-up
The NVIDIA MMA4Z00-NS400 400Gb/s OSFP SR4 Multimode Transceiver page is positioned to support compatibility questions and project-fit review before commercial action is finalized.
Project
03Project and quantity alignment
This model can be framed against use cases such as Switch-to-HCA 400G Links: Connecting a Quantum-2 or Spectrum-4 switch (using twin-port transceivers) to a ConnectX-7 OSFP adapter via straight MFP7E10 fiber cables. together with quantity and rollout timing.
Language
04English and Arabic follow-up
The bilingual route supports regional buying teams that need technical review and RFQ handling in two languages.
FAQ
Frequently asked questions about MMA4Z00-NS400
Short answers that give buyers clearer expectations before they move into the quote form.
Can I request a quote for MMA4Z00-NS400 directly from this page?01
Yes. This page is designed to move MMA4Z00-NS400 review directly into quotation, availability or BOM discussion.
Does MMA4Z00-NS400 support compatibility discussion before purchase?02
Yes. The page can be used to frame compatibility questions around Switch-to-HCA 400G Links: Connecting a Quantum-2 or Spectrum-4 switch (using twin-port transceivers) to a ConnectX-7 OSFP adapter via straight MFP7E10 fiber cables. before commercial follow-up.
Can MMA4Z00-NS400 be compared with nearby models in the same family?03
Yes. Related products within the same category give buyers an internal comparison path before they submit an inquiry.
Can I send quantity or a BOM list with the inquiry?04
Yes. The inquiry path is designed to accept part numbers, quantity, BOM context and availability requirements in one submission.
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- 400Gb/s (4x 100G-PAM4) or 200Gb/s (2x 100G-PAM4) auto-negotiated
- 1x MPO-12/APC (4 Tx + 4 Rx fibers)
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MMA4Z00-NS400
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