NVIDIA/Mellanox MMA4Z00-NS Compatible 800G (2x400G) Twin-Port OSFP Optical Transceiver | 800GBASE-SR8 Multi-Rate, Zero-Alarm Compatibility with NVIDIA Spectrum-4 & Quantum-2
Product Overview
HYTOPTODEVICE 800G (2x400G) Twin-Port OSFP Optical Transceiver acts as a pin-to-pin compatible replacement for NVIDIA/Mellanox MMA4Z00-NS finned-top twin-port OSFP module.
This multimode parallel optical module targets high-density, high-bandwidth AI data center and HPC workloads. It operates at 850nm VCSEL with 100G-PAM4 modulation across eight parallel channels, delivering reliable short-reach links up to 50m over OM4 fiber and 30m over OM3 fiber.
Housed within one OSFP package, it integrates two independent 400G optical engines with dual MPO-12/APC connectors. It supports aggregate 800GBASE-SR8 or separate dual 400GBASE-SR4 signals, and auto-adapts for both NDR InfiniBand and 400GbE Ethernet. It enables seamless interconnections between switches, ConnectX-7 adapters, BlueField-3 DPUs and DGX H100 systems.
Preloaded matched EEPROM ensures zero-alarm plug-and-play on NVIDIA Spectrum-4 and Quantum-2 platforms. We support sample evaluation and bulk wholesale procurement of 800G twin-port OSFP optical transceiver, with custom EEPROM programming and OEM labeling available for global integrators.
Key Technical Specifications
Optimized for NVIDIA high-performance computing and AI networking platforms, this 800G twin-port OSFP optical transceiver undergoes rigorous continuous load burn-in and interoperability testing on genuine NVIDIA switching hardware. It guarantees alarm-free stable operation and complies with OSFP MSA, CMIS 4.0 and IEEE 802.3ck standards.
| NVIDIA/Mellanox Compatible |
MMA4Z00-NS |
Vendor Name |
HYTOPTODEVICE |
| Form Factor |
OSFP |
Max Data Rate |
850Gbps(8x 106.25Gbps) |
| Wavelength |
850nm |
Max Distance |
60m on OM3/100m on OM4 |
| Modulation Format |
PAM4 |
Host Required |
FEC |
| Connector |
Dual MTP/MPO-12 |
Voltage Supply |
3.3V |
| Cable Type |
MMF |
DDM Support |
Yes |
| Transmitter Type |
850nm VCSEL |
Receiver Type |
PIN |
| TX Power |
-4.6~+4.0dBm |
Receiver Sensitivity |
< -4.6dBm |
| Operation Temperature |
0 to 70°C (32 to 158°F) |
Maximum Power Consumption |
< 15W |
| Protocols |
CMIS Rev 5.0, IEEE P802.3ck and IEEE 802.3cu |
Application |
800G Ethernet, Data Center Interconnect, Infiniband Interconnects |
Usage Guidelines & Best Practices
This 800G twin-port OSFP transceiver is purpose-built for medium-reach multimode interconnections inside AI data centers and HPC server rooms. Standardized deployment rules ensure long-term reliable performance within NVIDIA switching environments.
- Cable Specification Rules: OM4 multimode fiber is recommended for maximum 50m reach. OM3 fiber limits transmission distance to 30m. MPO-12/APC connectors are mandatory; UPC terminated cables will cause excessive reflection and unstable links.
- Thermal Deployment Optimization: Twin-port OSFP modules consume higher power and generate noticeable heat. Maintain adequate front-to-back airflow on air-cooled Quantum-2 / Spectrum-4 switches. Avoid fully populating adjacent OSFP cages without proper thermal planning.
- Hot-Swap Operation: Compliant with OSFP MSA hot-plug specifications. Technicians can insert or remove modules online, but avoid repeated hot swapping under heavy traffic to reduce transient link risks.
- Host Monitoring Best Practice: Utilize Spectrum OS switch command lines to read real-time DDM data. Continuously monitor case temperature, transmit optical power and receive power to identify link degradation early.
- Application Scope Reminder: This SR8 multimode twin-port model targets short-to-medium rack and inter-row links. For long-distance building interconnections, select single-mode DR8 twin-port OSFP variants instead.
Full Compatibility List & Firmware Adaptation
Every HYTOPTODEVICE 800G twin-port OSFP optical transceiver passes continuous load testing and multi-version firmware verification on authentic NVIDIA Spectrum-4 and Quantum-2 hardware. Custom extended-reach EEPROM precisely replicates official MMA4Z00-NS identification data. It resolves typical drawbacks of generic optics including system warning alarms, port error disabling and layer-one negotiation instability.
1. Validated NVIDIA Hardware Platforms
Plug-and-play compatible with mainstream NVIDIA network hardware equipped with OSFP slots, supporting Spectrum OS and NDR InfiniBand firmware:
- Spectrum-4 Ethernet Switches: SN4700, SN5700, SN6700
- Quantum-2 NDR InfiniBand Switches: QM8700, QM9700
- Accelerated Adapter Hardware: ConnectX-7, BlueField-3 DPU
- Compute Servers: DGX H100, DGX GH200 Series
2. Multi-Vendor Interoperability
Built on universal OSFP MSA and CMIS standards, this 800G twin-port OSFP optical transceiver can interoperate with other IEEE-compliant OSFP and QSFP-DD optics, supporting mixed-vendor leaf-spine fabric architectures for multi-cloud and hybrid HPC environments.
3.Value-Added Compatibility Services & Self-Programming Support
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On-Site Recoding Solutions: Gain full control with our optional smart coding boards and software, enabling your team to rewrite EEPROM compatibility codes on demand.
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Free Lifetime Firmware Maintenance: Enjoy complimentary firmware update downloads whenever switch OS versions upgrade or new hardware platforms are released.
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Custom Code Adaptation: Need support for specialized or legacy network systems? Our engineers offer free custom firmware tailoring to guarantee 100% link-up.
Primary Application Scenarios
Designed for high-bandwidth AI and HPC networking, this 800G twin-port OSFP optical transceiver 2x400G covers high-density multimode interconnection requirements for NVIDIA computing environments:
- Leaf-Spine Switch Interconnect: Build 800G aggregate or dual independent 400G uplinks between leaf and spine switches, greatly improving port density within limited OSFP slots. Ideal for procurement teams expanding GPU compute fabric.
- GPU Cluster Inter-Row Networking: Establish medium-reach connections between rack groups housing DGX servers and storage arrays over OM4 multimode trunk cables.
- NDR InfiniBand Fabric Deployment: Support NDR 400G InfiniBand links on Quantum-2 switches, enabling high-throughput parallel computing workloads.
- Storage & DPU Interconnection: Connect BlueField-3 DPUs and centralized storage subsystems via split 400G / 200G breakout topology.
- Data Center 400G Network Upgrade: Upgrade existing multimode structured cabling systems to 400G/800G without overhauling fiber infrastructure, lowering total upgrade investment.
Connectivity Solutions：
Scenarios 4:800G-to-4x 200G Links for Switch-to-Server
FAQ
Q1:What is OSFP-800G-SR8? A:The 800G OSFP SR8 is a hot pluggable optical transceiver module with a speed of 800Gbps, a wavelength of 850nm, and a transmission distance of up to 100m with OM4 MMF. It is ideal for data centre, 800G Ethernet and HPC.
Q2:What is the maximum transmission distance of the 800G SR8 transceiver?A:HYTOPTODEVICE OSFP 800G SR8 module supports the maxium transmitting distance of up to 100m with OM4 MMF.
Q3:How is the OSFP 800G SR8 compatibility with OM4 fiber?A:The OSFP-800G-SR8 optical transceiver is fully compatible with OM4 Multimode Fiber (MMF), it has a maximum transmission distance of up to 100 meters with OM4 MMF.
Q4:What is the 800G SR8 vs 400G SR4 transceiver comparison?A:Both the OSFP 800G SR8 and OSFP 400G SR4 are MMF optic modules with a wavelength of 850nm and a transmission distance up to 100m (OM4). The difference is that the 800G SR8 doubles the 800G speed by using eight 100Gbps channels, while the 400G SR4 has a speed of 400Gbps and uses four 100Gbps channels.
Q5:What are the power consumption and cooling requirements for the 800G SR8 modules?A:The power consumption of an 800G SR8 optical transceiver is generally around 8-16W, depending on the specific model.adequate cooling is required to maintain the performance and lifespan of optical transceivers.
Q6:Where to buy 800G OSFP SR8 multimode optical transceiver?A:There are many manufacturers that produce and sell 800G optical modules, but HYTOPTODEVICE is the ideal manufacturer: a source factory, fully controllable, reliable performance, 100% compatible, sufficient inventory, fast delivery, and rapid response.
Q7:The link is "Up" but I have high packet loss. Why? A:There could be two reasons,1. Dirty connectors:tiny dust particles can obstruct signal transmission. Please use fiber optic cleaner to clean the connector. 2. Fiber optic cable bending: avoid severe bending of the fiber optic cable.
Q8:Is the 800G SR8 backward compatible with lower-speed modules,such as 100G?A:Yes,The 800G SR8 is backward compatible with lower-speed optical transceivers, such as 400G,200G and 100G, but the performance will be reduced.
Q9:How do HYTOPTODEVICE ensure 800G OSFP SR8 module compatibility with network switch?A:Ensuring 100% compatibility, optical modules must be coded to match the switch's requirements. 800G OSFP SR8 manufacturer china HYTOPTODEVICE was equipped with various high-speed switch,the brands include such as Cisco,NVIDIA,Huawei. highly professional in coding equipment for various brands to ensure they are recognized and running in your device.
Q10:Is OSFP-800G-SR8 hot-swappable?A:HYTOPTODEVICE fiber transceivers are hot-pluggable, hot Pluggable OSFP MSA Compliant.you can plug or unplug the optical transceiver, while the device is powered on without damaging the hardware.
Q11:What is OSFP-800G-SR8?A:The 800G OSFP SR8 is a hot pluggable transceiver with a speed of 800Gbps, a wavelength of 850nm, and a transmission distance of up to 100m with OM4 MMF. It is ideal for data centre, 800G Ethernet and HPC.
Quality Assurance：Your Trusted Optical Transceiver Source
HYTOPTODEVICE is a vertically integrated manufacturer of high-performance optical transceivers. By controlling core materials at the source, we ensure every SFP module meets the highest standards of reliability and customization.
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Vertical Integration: In-house core material production ensures a stable, self-sufficient supply chain for all optical modules.
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Total Traceability: End-to-end oversight from raw components to final transceiver assembly guarantees 100% controllability.
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Bespoke Solutions: Expert-led R&D provides customized SFP transceiver designs tailored to your specific technical needs.
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24-Hour Response: Our technical team guarantees a primary response to any inquiry or quality concern within 24 hours.
Carrier-Grade Quality. Factory-Direct Control. Rapid Response.
Quality Certification & Compliance：
At HYTOPTODEVICE, our quality commitment is backed by industry-standard validations. From fiber optical transceiver manufacturing to final inspection, our processes ensure global compliance and reliability.
We adhere to rigorous standards for our SFP modules and network solutions:
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ISO 9001: Certified quality management and production consistency.
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CE & FCC: Fully compliant for seamless Global Market Access.
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RoHS: Committed to environmental responsibility and hazardous material control.
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Proven Reliability: Rigorous testing to reduce compliance risk and ensure safety.
Certified Quality. Global Standards. Guaranteed Performance.
Rigorous Industrial Product Testing：
100% 3rd Party Compatible：
Partial Test Demonstration：
Others:
