This NVIDIA/Mellanox compatible QSFP112 NDR InfiniBand optical module is a 400Gb/s single-port
QSFP112, xR4 single-mode parallel optical transceiver with a single 4‑channel MPO‑12/APC optical
connector. This short‑reach 4‑channel (XDR4) design uses 100G‑PAM4 modulation and supports transmission
distances up to 2km over OS2 single‑mode fibers. The module is used to connect ConnectX‑7/QSFP112 network adapters and 2x400G InfiniBand
switches equipped with dual‑port optical transceivers. It is an ideal solution for supercomputing, suitable for InfiniBand NDR end‑to‑end systems, enabling
seamless integration into compute and storage infrastructures to ensure efficient high‑performance
interconnection.
Specifications:
Package QSFP112 | Max Data Rate 425Gbps (4x106.25Gb/s) |
Wavelength 1310nm | Max Reach 2KM |
Connector MPO-12/APC | Fiber Type Single-mode (SMF) |
Transmitter Type EML | Receiver Type PIN |
Transmit Power -2.4~4dBm | Min Receive Power -4.5dBm |
Power Budget 4dB | Overload Power 5.5dBm |
Power Consumption 10W | Extinction Ratio >3.5dB |
Electrical Modulation 4x100G-PAM4 | Optical Modulation 4x100G-PAM4 |
DDM/DOM support | Commercial Temperature Range 0~70°C (32~158°F) |
DSP Transmission and reception | Built-in FEC no |
Core Size 9μm | Packaging Technology COC |
Protocols IEEE 802.3bs, OIF-CEI-112G-VSR- PAM4, CMIS Rev 5.2, QSFP-112 MSA | Warranty 5 year |





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