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NVIDIA/Mellanox Compatible 800G 2xDR4/DR8 Optical Transceiver Module for ConnectX-8 C8180 SuperNIC (Twin-port OSFP, 1310nm, 500m, Two MPO-12/APC, DOM, for SMF, Flat Top)
NADDOD NVIDIA/Mellanox MMS4X00-NM- FLT compatible OSFP-800G-2xDR4F optical transceiver is designed for 800Gb/s Ethernet interconnects, using a twin-port OSFP architecture to support 2×400Gb/s DR4/DR8 single-mode transmission over an 8-channel parallel optical interface. The module operates via two MPO-12/APC connectors, with each connector carrying four optical lanes, and applies 100G-PAM4 modulation to enable data center–reach links of up to 500 meters over single-mode fiber. The module is compatible with NVIDIA ConnectX-8 C8180 SuperNIC, delivering stable, high-speed optical connectivity.
By adopting a parallel DR4/DR8 design optimized for short-to-medium reach connectivity, the OSFP-800G-2xDR4F enables high port density and efficient bandwidth scaling in 800G switching systems. Finned-top OSFP shells are supported to meet the additional cooling requirements of 800G OSFP switches, while a flat-top variant is available for ConnectX-8 system links, providing flexibility across different deployment platforms.
The OSFP-800G-2DR4F module is tightly integrated with the C8180 SuperNIC’s multi-plane architecture, delivering key advantages in large-scale computing clusters. By distributing traffic across multiple planes, it maximizes bandwidth, enables smoother load balancing, and ensures consistently low latency. Each plane is isolated and inherently redundant, so a single path failure does not impact service continuity, enhancing overall reliability. With higher resource utilization and fewer congestion points, the ConnectX-8 architecture enables faster scaling and a more efficient, stable, and resilient network experience.
In ConnectX-8 NIC and Spectrum-4 switch AI cluster architectures, the C8180 paired with OSFP-800G-2DR4F reduces optical module count by 20% compared with the C8240 using Q112-400G-DR4 solution. This delivers the following three key advantages.
