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NVIDIA/Mellanox MMA4Z00-NS400 Compatible 400GBASE-SR4 OSFP Flat Top PAM4 850nm 50m DOM MPO-12/APC MMF InfiniBand NDR Optical Transceiver Module for ConnectX-7 HCA
P/N: OSFP-400G-SR4
US$329.00
10
Reviews
4
Questions
safeguard
4-Year Warranty
30-Day Returns
30-Day Exchange
(1000 In Stock)

Product Highlights

Qualified for InfiniBand NDR End-to-End Systems
Built-in 7nm DSP, Max. Power Consumption 8.5W
Low Bit Error Rate (BER) with FS InfiniBand NDR systems
Flat-top OSFP for ConnectX-7 Adapter
Support 800G-to-Two 400G Links for Switch-to-Adapter
4x 100G-PAM4 Electrical to 4x 100G-PAM4 Optical Parallel
100% Verified by the Original, Perfectly Compatible with NVIDIA ConnectX-7 Adapters
Compliant with OSFP MSA, IEEE 802.3ck and Class 1 Laser Safety, with DDM Support
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NVIDIA/Mellanox MMA4Z00-NS400 Compatible 400GBASE-SR4 OSFP Flat Top PAM4 850nm 50m DOM MPO-12/APC MMF InfiniBand NDR Optical Transceiver Module for ConnectX-7 HCA
The NVIDIA/Mellanox InfiniBand MMA4Z00-NS400 Compatible OSFP Optical Transceiver is an InfiniBand 400Gb/s Single-port OSFP with a Flat-top (OSFP-RHS) form factor, SR4 multimode parallel transceiver using a single, 4-channel MPO-12/APC optical connector. The Short Reach 4-channel (SR4) design uses 100G-PAM4 modulation and has a maximum fiber reach of 50-meters using OM4 multimode fibers. It is qualified for use in InfiniBand NDR end-to-end systems.
It is the ideal solution for supercomputing, seamlessly integrating into computing and storage infrastructure to ensure efficient high-performance interconnectivity. Used in ConnectX-7/OSFP adapters linked to Twin-port transceivers in 2x400G IB switches.
Specifications
NVIDIA/Mellanox InfiniBand Compatible
MMA4Z00-NS400
Vendor Name
AICPLIGHT
Form Factor
Single-port OSFP Flat Top
Max Data Rate
425Gbps (4x106.25Gb/s)
Wavelength
850nm
Max Cable Distance
30m@OM3/50m@OM4 or OM5
Connector
MPO-12/APC
Media
MMF
Transmitter Type
VCSEL
Receiver Type
PIN
TX Power
-4.6~4dBm
Minimum Receiver Power
-6.3dBm
Power Budget
1.7dB
Receiver Overload
4.0dBm
Max Power Consumption
8.5W
Extinction Ratio
2.5dB
DDM/DOM
Supported
Commercial Temperature Range
0 to 70°C (32 to 158°F)
Modulation (Electrical)
4x100G-PAM4
Modulation (Optical)
4x100G-PAM4
CDR (Clock and Data Recovery)
TX & RX
Inbuilt FEC
Yes
Core Size
50/125µm
Packaging Technology
COB
Protocols
400G InfiniBand NDR, OSFP MSA Rev 5.0、IEEE 802.3ck、IEEE 802.3-2022
Warranty
5 Years
Certification
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Questions & Answers
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All (4) Application (1)Product (2)Installation (1)
Q:

Is polarity important during installation?

by j***m on 2025-07-08 08:09:39

A:

Yes, ensure Type A/B polarity matches across the link.

by CPLIGHT on 2025-07-08 09:41:50

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Q:

Is this product suitable for data center deployments?

by 7***m on 2025-07-08 07:47:05

A:

Absolutely, all models are designed for high-density data center environments.

by CPLIGHT on 2025-07-08 09:16:07

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Q:

Are these modules single-mode or multimode?

by 5***m on 2025-07-07 15:23:35

A:

We offer both single-mode and multimode versions to meet different deployment needs.

by CPLIGHT on 2025-07-07 16:02:35

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Q:

Does the product support hot-swappable installation?

by B***m on 2025-07-07 14:09:07

A:

Yes, all our transceivers are designed to be hot-swappable.

by Helpful on 2025-07-07 15:40:31

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Customer Reviews
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All (10) Performance (3)Compatibility (3)Ease of Use (2)Customer Support (2)
H
H***m
2025-06-29 04:22:36
Confirmed Purchase
5.0

This product delivers consistently high-speed transmission with minimal latency. It has become our top choice for deploying in environments that require reliable data throughput, such as AI clusters and financial trading systems.

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d
d***m
2025-06-25 05:56:09
Confirmed Purchase
5.0

The overall performance is on par with much more expensive alternatives. Impressive bandwidth support without compromising stability.

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t
t***m
2025-06-11 07:54:41
Confirmed Purchase
5.0

We used these with both new and legacy devices, and the plug-and-play nature of the modules saved us significant setup time.

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P
P***m
2025-06-09 02:35:39
Confirmed Purchase
5.0

Seamless integration with our Cisco and Juniper switches. We didn’t encounter any compatibility warnings or configuration issues.

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p
p***m
2025-06-06 02:34:19
Confirmed Purchase
5.0

Our tests showed excellent signal quality over long distances. No errors or degradation, even in extended continuous use.

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A
A***m
2025-05-30 06:42:22
Confirmed Purchase
5.0

The pre-sales consultation was detailed and tailored to our specific data center needs. Very professional experience.

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n
n***m
2025-05-30 02:21:03
Confirmed Purchase
5.0

Instructions were clear and the connector design made installation in tight spaces much easier.

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M
M***m
2025-05-13 16:59:59
Confirmed Purchase
5.0

The support team was incredibly responsive. They helped us verify compatibility with our switch models before ordering.

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9
9***m
2025-04-20 17:34:31
Confirmed Purchase
5.0

The installation process was intuitive and required no special training. Our technicians completed the setup within minutes.

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T
T***m
2025-04-17 00:53:50
Confirmed Purchase
5.0

Our team tested it across different fiber types and connector standards, and it adapted well to all.

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