One OSFP housing integrates two independent 400G optical engines with dual MPO-12/APC connectors.
It supports aggregate 800GBASE-DR8 or dual separate 400GBASE-DR4 paths.
The module auto-adapts for both NDR InfiniBand and 400GbE Ethernet.
It connects switches, ConnectX-7 adapters, BlueField-3 DPUs and DGX H100 systems seamlessly.
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 MMS4X00-NM 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.
Designed for high-bandwidth extended-reach AI and HPC networking, this 800G twin-port OSFP optical transceiver 2x400G covers high-density single-mode interconnection requirements for NVIDIA computing environments:
Connectivity Solutions for 800G DR8 Transceiver

FAQ
Q1: What key advantages can buyers gain by selecting 800G twin-port OSFP modules instead of single-port 400G OSFP transceivers for NVIDIA switches
A1: Each twin-port OSFP delivers two independent 400G channels inside one OSFP slot, effectively doubling available 400G port density on Spectrum-4 and Quantum-2 switches. Organizations purchasing 800G twin-port OSFP optical transceiver can reduce switch chassis quantity, cut fiber cabling workload and lower overall data center upgrade expenses.
Q2: What fiber requirements must be met to achieve the full 500m reach after purchasing 800G twin-port OSFP single-mode transceivers
A2: Stable maximum 500-meter transmission requires single-mode fiber with MPO-12/APC terminated connectors. Using UPC connectors will introduce excessive optical reflection and trigger intermittent link errors for purchased 800G twin-port OSFP optical transceiver.
Q3: Will purchased 800G twin-port OSFP optical transceiver trigger unsupported transceiver alarms on NVIDIA Spectrum-4 and Quantum-2 switches
A3: Our modules are pre-programmed with EEPROM profiles matching MMS4X00-NM. After installation, purchased 800G twin-port OSFP optical transceiver achieves zero-alarm operation, full DDM access and no forced port shutdown under official Spectrum OS and InfiniBand firmware.
Q4: Can one purchased 800G twin-port OSFP transceiver run two independent 400G links to different downstream equipment simultaneously
A4: Yes. The twin-port design contains two separate optical engines. Purchased 800G twin-port OSFP optical transceiver supports two isolated 400GbE or NDR InfiniBand paths via dual MPO fiber cables, enabling flexible multi-device interconnection topologies.
Q5: Is it possible to break out purchased 800G twin-port OSFP transceiver into multiple 200G connections for lower-speed compute nodes
A5: Supported with compatible 1:2 MPO splitter fiber assemblies. Each 400G channel can break down to two 200G links. Buyers can leverage purchased 800G twin-port OSFP optical transceiver to connect multiple 200G endpoints without deploying dedicated 200G optical modules.
Q6: What thermal precautions should network teams follow after installing multiple purchased 800G twin-port OSFP modules on air-cooled NVIDIA switches
A6: Twin-port OSFP modules consume higher power and generate significant heat. Avoid dense adjacent slot population without sufficient airflow planning. Monitor module temperature via DDM tools to prevent thermal throttling affecting purchased 800G twin-port OSFP optical transceiver long-term reliability.
Q7: Can purchased 800G twin-port OSFP single-mode transceivers interoperate with single-port 400G OSFP DR4 modules on NVIDIA hardware
A7: Yes, the optical interface follows IEEE 802.3 standards. Purchased 800G twin-port OSFP optical transceiver can establish stable 400G point-to-point links with compatible single-port 400G OSFP DR4 transceivers over single-mode fiber.
Q8: Can purchased 800G twin-port OSFP optical transceiver operate for both Ethernet 400GbE and NDR InfiniBand workloads on the same switch
A8: The transceiver supports automatic protocol detection. It dynamically switches mode according to host configuration. Purchased 800G twin-port OSFP optical transceiver works seamlessly in hybrid Ethernet and InfiniBand unified fabric environments for AI and HPC clusters.
Q9: What is the difference between finned-top and flat-top 800G twin-port OSFP versions for NVIDIA platforms
A9: Finned-top IHS variant is designed for air-cooled Spectrum-4 and Quantum-2 switches and is the matching form factor for MMS4X00-NM. Flat-top models target liquid-cooled DGX rack deployments. Buyers need to confirm switch cooling design before bulk sourcing 800G twin-port OSFP optical transceiver.
Q10: Should procurement teams choose single-mode DR8 twin-port OSFP or multimode SR8 variants for new AI data center fabric rollout
A10: Single-mode DR8 twin-port OSFP supports extended reach up to 500m for cross-rack and inter-pod links. Multimode SR8 only reaches 50m and fits intra-rack short connections. Buyers should select according to actual fiber distance requirements before purchasing 800G twin-port OSFP optical transceiver.
Why Network Engineers Choose HYTOPTODEVICE
HYTOPTODEVICE has supplied over 5000,000 optical transceiver modules to data centers, ISPs, and enterprise networks across 100+ countries since 2011. Every module undergoes a 72-hour burn-in test and full DDM/DOM validation before shipment.
- 100% MSA-compliant modules with Cisco, Huawei,Dell,Juniper, and Arista compatibility
- ISO 9001:2015 certified manufacturing facility in Shenzhen
- Average lead time of 3–5 business days with DHL/FedEx express options
- Dedicated pre-sales engineering support for custom configurations
- Actual hardware,actual switches,actual results.we publish compatibility test video,eliminate compatibility anxiety. you can watch before you buy.
- We can provide inspection and shipping videos to make you feel as if you are right here with the product.
"We replaced 200 Cisco-branded SFPs with HYTOPTODEVICE equivalents across our spine layer — zero compatibility issues, 40% cost reduction."— Network Architect, Tier-2 ISP, Germany
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:

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