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1. 100% verified by the original 2. Flat top design for DGX- H100 Cedar-7 or liquid-cooled 3. Support the InfiniBand NDR and Ethernet protocols 4. 8x 100G-PAM4 electrical to Dual 4x 100G-PAM4 optical Parallel 5. Maximum power consumption ≤14.5WSee more
NVIDIA/Mellanox MMS4X00-NS-FLT (980-9I30I-00NM00) compatible 800G DR8 (2x400G DR4) OSFP is an Infiniband and Ethernet twin-port transceiver module with dual MPO-12 APC connectors at 400Gb/s each. It enables the fiber link of 100m at 2x400Gb/s over single-mode fiber (SMF). With the Pulse-amplitude Modulation (PAM4) modulation, the 2xDR4 OSFP adopts 8-channels of 100G-PAM4 electrical modulation and two ports of 4-channel 100G-PAM4 optical Parallel modulation.
With a flat top design, the OSFP-RHS is offered for Liquid-cooled systems and DGX H100 Cedar7 systems links. Its main application is to link the DGX H100 “Viking” CPU chassis to Cedar-7 complex to switches together up to 100 meters. QSFPTEK NVIDIA InfiniBand compatible optics are 100% tested in NVIDIA InfiniBand host devices, ideal for InfiniBand NDR end-to-end systems.
Take a look at our test program to get the reliable and high-performance optical transceivers.
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Twin-port 800G (2x400G) OSFP IB/ETH Switch to DGX H100 GPU Systems：
Undergoes Comprehensive Performance Testing to Guarantee Optimal Reliability
The QSFPTEK test center conducts complete testing procedures with advanced professional test equipment, including BER test, eye diagram test, Optical Spectrum test, jitter test, etc. Each module has been stringently tested by world-class test devices from Keysight and Anritsu to guarantee flawless operation and optimal reliability.
Select a Proper Heat Dissipation Design for Your Needs
| Closed Finned Top 800G OSFP optics with Integrated Heat Sink (IHS) design are used for both Quantum-2 InfiniBand or Spectrum-4 Ethernet air-cooled and liquid-cooled systems. | Flat top 800G OSFP optics with Riding Heat Sink (RHS) design are used in Liquid-cooled and DGX H100 Cedar7 Systems. |
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Compatible NVIDIA/Mellanox (InfiniBand/Ethernet)
Transceivers type MMS4X00-NS-FLT OSFP 2DR4 | 100m | Dual MPO-12/APC | RHS/Flat Top
One reason we chose this model was product availability. Other suppliers had much longer lead times, while these modules were ready to ship when we needed them. That helped us avoid delays during a time-sensitive deployment.
Transceivers typeMMS4X00-NS-FLT OSFP 2DR4
CompatibleNVIDIA/Mellanox (InfiniBand/Ethernet)
Helpful
0
I checked the DOM information after installation, and all readings looked healthy. The module performs consistently under heavy traffic. So far, it has met all of our expectations.
Transceivers typeMMS4X00-NS-FLT OSFP 2DR4
CompatibleNVIDIA/Mellanox (InfiniBand/Ethernet)
Helpful
0
This module has performed well in a high-density rack with continuous traffic. Heat has been well managed, and we haven't experienced link drops or compatibility problems. Overall, it's been a dependable choice for our deployment.
Transceivers typeMMS4X00-NS-FLT OSFP 2DR4
CompatibleNVIDIA/Mellanox (InfiniBand/Ethernet)
Helpful
0
We've been running this module continuously for over a month, and the performance has remained consistent throughout. No unexpected alarms, retransmissions, or interruptions have been observed, which is exactly what we expect from production hardware.
Transceivers typeMMS4X00-NS-FLT OSFP 2DR4
CompatibleNVIDIA/Mellanox (InfiniBand/Ethernet)
Helpful
0
Flat-top version works great in our liquid setup. Cheap, reliable, and I'll be back for sure.
Transceivers typeMMS4X00-NS-FLT OSFP 2DR4
CompatibleNVIDIA/Mellanox (InfiniBand/Ethernet)
Helpful
0
We tested this module in a high-utilization environment where traffic levels fluctuate significantly throughout the day. The optical measurements remained consistent, and power consumption stayed within the expected range. The module handled the workload without drawing attention to itself, which is exactly what we wanted.
Transceivers typeMMS4X00-NS-FLT OSFP 2DR4
CompatibleNVIDIA/Mellanox (InfiniBand/Ethernet)
Helpful
0
We selected the RHS version for a high-density deployment where heat management was an important consideration. The module worked smoothly after installation, and the connection remained stable during continuous operation. The design feels suitable for newer data center environments with demanding workloads.
Transceivers typeMMS4X00-NS-FLT OSFP 2DR4
CompatibleNVIDIA/Mellanox (InfiniBand/Ethernet)
Helpful
0
We tested them with several hundred meters of single-mode fiber and achieved stable connectivity immediately. One thing I appreciated was how cool they operated even under sustained traffic loads. Would purchase again for future projects.
Transceivers typeMMS4X00-NS-FLT OSFP 2DR4
CompatibleNVIDIA/Mellanox (InfiniBand/Ethernet)
Helpful
0
The packaging was good; the modules were securely fixed, and there were no cosmetic issues caused during shipping. Installation was also smooth, with insertion and removal going very easily. They have been working perfectly ever since.
Transceivers typeMMS4X00-NS-FLT OSFP 2DR4
CompatibleNVIDIA/Mellanox (InfiniBand/Ethernet)
Helpful
0
We are particularly satisfied with the delivery speed; the order was shipped quickly after confirmation, without affecting the planned launch. The module passed testing on the first attempt upon arrival at the site, without any compatibility or quality issues.
Transceivers typeMMS4X00-NS-FLT OSFP 2DR4
CompatibleNVIDIA/Mellanox (InfiniBand/Ethernet)
Helpful
0