Fibertop - Global Optical Module Manufacturer -HPC,Data Center

OSFP 800G to 2xQSFP112 400G AOC

SKU: QFP-PM31HG-20DC

Product Highlights

IEEE 802.3ck 400GAUI-4 standard compliant

Hot Pluggable QSFP112 form factor

Maximum power dissipation 15.5 W @800G OSFP END

Hot Pluggable OSFP (flat-top) form factor

8 channels full-duplex transceiver module

IEEE 802.3ck 800GAUI-8 standard compliant

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The OSFP 800G to 2×QSFP112 400G active optical cable is a high-performance splitter interconnect solution designed specifically for next-generation high-density data centers and AI computing centers. This product enables speed conversion and bandwidth distribution from a single OSFP 800G port to two independent QSFP112 400G ports via a single optical cable, perfectly resolving the interconnection challenges between 800G switches and 400G servers, GPUs, and DPUs. It helps users smoothly upgrade to an 800G network architecture while protecting their existing investment in 400G equipment.

The product integrates 16 full-duplex data channels, each operating at a baud rate of 8×53.125 Gbps. It employs industry-standard 4-level pulse amplitude modulation (PAM4) technology to ensure stable transmission of the 800 Gbps total bandwidth. Compliant with multiple international standards, including OSFP MSA 5.1, QSFP112 MSA 2.1.1, CMIS 5.2, and IEEE 802.3ck, it offers excellent compatibility and interoperability.

What is the product's operating temperature range? Can it operate reliably in the high-temperature environment of a server room?

The operating temperature range for commercial-grade products is 0°C to 70°C, fully meeting the operational requirements of standard data center facilities (which are typically maintained between 18°C and 27°C). All products have undergone high-temperature aging tests at 70°C to ensure long-term stable operation in high-temperature data center environments.

Will splitting the link affect the performance of the individual 400G links? Is the bandwidth shared?

Performance is not affected, and bandwidth is completely independent and not shared. This product integrates 16 independent full-duplex data channels, with 8 allocated to the first QSFP112 port and the other 8 to the second port. Each port can consistently operate at full 400 Gbps full-duplex capacity without interfering with one another.

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