1. Low Power Consumption: Operates efficiently with a maximum power consumption of 1W, saving energy and reducing operational costs.
2. High Compatibility: Fully compliant with SFP+ MSA and RoHS standards, ensuring broad compatibility and safety.3. Superior Performance: Tested in targeted switches to guarantee high performance, quality, and reliability
4.Hot Pluggable Design: Supports hot-swappable SFP+ form factor for easy installation and maintenance
5. Advanced Diagnostics: Equipped with digital optical monitoring (DOM) capabilities for real-time diagnostics and performance tracking.
Product Description
Mellanox Ma4z00-Ns400 Compatible 400GBASE-SR4 QSFP-DD PAM4 850nm 100m DOM MPO-12/APC MMF Optical Transceiver Module
The Mellanox Ma4z00-Ns400 Compatible 400GBASE-SR4 QSFP-DD PAM4 850nm 100m DOM MPO-12/APC MMF Optical Transceiver Module delivers high-speed data transmission of up to 400Gbps over parallel OM4 multimode fiber (MMF) up to 100 meters. Equipped with an MTP/MPO-12 connector, this transceiver supports the IEEE 802.3bs protocol and the 400GAUI-8 standard. It transmits the 400 Gigabit Ethernet signal over four parallel lanes, with each lane carrying one wavelength, making it an ideal choice for high-density data centers and advanced networking environments.
Part Number | QDD-SR4-400G | Vendor Name | Mvslink |
Form Factor | QSFP-DD | Date Rate | 400Gbps |
Wavelength | 850nm | Max Cable Distance | 60m@OM3/100m@OM4 |
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 | 4dBm |
Power Consumption | ≤8W | Extinction Radio | 2.5dB |
DDM/DOM | Supported | Commercial Temperature Range | 0 to 70°C (32 to 158°F) |
Modulation (Electrical) | 8x 53.125Gb/s PAM4 | Modulation (Optical) | 4x 106.25Gb/s PAM4 |
DSP | TX and RX | Inbuilt FEC | Support |
Core Size | 50/125µm | Packaging Technology | COB |
Protocols | IEEE 802.3bs, QSFP-DD MSA, IEEE 802.3db,CMIS rev5.2 | Warranty | 3 Years |
We follow the principle of quality first. We strictly control the quality of our products and comply with certification and safety standards. Currently, our products comply with industry standards and mainstream quality certifications, such as ISO 9001, CE, RoHS, FCC, UKCA, and so on.
Product Features
• Data rate up to 425 GB/s (8x PAM4 53 GB/s)
Applications
• 400G QSFP-DD SR4
Details Photos
R&D team consists of experts with years of experience in the optical communications industry. Our manufacturers are top-class in the industry and support an OEM product. Installing a third-party transceiver does not affect your network equipment.
Mvslink reisted and established in 2012, headquartered in Suzhou, with research and development laboratories in Shanghai, a production factory in Suzhou, and a sales office in South Korea.
Focus on the rapidly growing markets of cloud computing data centers, telecommunications, and 5G wireless, as well as consumer AOC products. Committed to building a semiconductor optoelectronic integration platform and aiming to become a leading brand in the global optoelectronics field.

Q: Can OSFP ports use modules in QSFP-DD form factor, such as QDD-400G-SR4?