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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-NM-FLT (980-9I301-00NM00) 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 500m 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-NM-FLT OSFP 2DR4 | 500m | Dual MPO-12/APC | RHS/Flat Top
Been a loyal customer for years. This liquid-cooled module is another home run—great quality, fair price. I’ll keep recommending QSFPTEK to my networking crew.
Transceivers typeMMS4X00-NM-FLT OSFP 2DR4
CompatibleNVIDIA/Mellanox (InfiniBand/Ethernet)
Helpful
0
Top-tier 800G OSFP & unbeatable tech support!
Transceivers typeMMS4X00-NM-FLT OSFP 2DR4
CompatibleNVIDIA/Mellanox (InfiniBand/Ethernet)
Helpful
0
I've been buying from QSFPTEK for a while now and honestly, the quality is consistently solid. I'll be back for more as we expand.
Transceivers typeMMS4X00-NM-FLT OSFP 2DR4
CompatibleNVIDIA/Mellanox (InfiniBand/Ethernet)
Helpful
0
Plugged it right into our Mellanox switch and it was recognized instantly. Zero hassle, runs cool, and saved us a ton of money compared to OEM optics. 10/10.
Transceivers typeMMS4X00-NM-FLT OSFP 2DR4
CompatibleNVIDIA/Mellanox (InfiniBand/Ethernet)
Helpful
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Getting full 800G throughput with no errors. We're pushing pretty heavy AI training workloads and these things haven't broken a sweat. Honestly, finding compatible optics for these specialized systems can be a nightmare sometimes, but these worked straight out of the box. Saved a ton vs. going with the OEM parts too. Definitely grabbing more for our next expansion. 5 stars.
Transceivers typeMMS4X00-NM-FLT OSFP 2DR4
CompatibleNVIDIA/Mellanox (InfiniBand/Ethernet)
Helpful
0
We had a few technical questions before ordering, and the support team was knowledgeable and easy to work with. That made the whole process much smoother.
Transceivers typeMMS4X00-NM-FLT OSFP 2DR4
CompatibleNVIDIA/Mellanox (InfiniBand/Ethernet)
Helpful
0
I picked up the 800G DR8 twin-port OSFP for my DGX H100 setup—the liquid-cooled version. Been running it for a few weeks now and it's solid as a rock. No flapping, no errors, just pure throughput. I actually found QSFPTEK through a random Google search while looking for Mellanox-compatible options, and honestly? Glad I took the shot. This thing does exactly what it says on the tin. Definitely coming back for more.
Transceivers typeMMS4X00-NM-FLT OSFP 2DR4
CompatibleNVIDIA/Mellanox (InfiniBand/Ethernet)
Helpful
0
Got this OSFP for our DGX H100 setup and it's been running like a champ. Plugged it in, no issues, link came right up. QSFPTEK has been solid across the board. I've bought a bunch of stuff from them and I'll definitely be back for more.
Transceivers typeMMS4X00-NM-FLT OSFP 2DR4
CompatibleNVIDIA/Mellanox (InfiniBand/Ethernet)
Helpful
0
Works great with our system. Plugged in and worked immediately, stable 800G link, no issues so far. Very satisfied.
Transceivers typeMMS4X00-NM-FLT OSFP 2DR4
CompatibleNVIDIA/Mellanox (InfiniBand/Ethernet)
Helpful
0
Works exactly as it should, no issues. QSFPTEK never lets me down. Will buy again.
Transceivers typeMMS4X00-NM-FLT OSFP 2DR4
CompatibleNVIDIA/Mellanox (InfiniBand/Ethernet)
Helpful
0