800G OSFP224 InfiniBand XDR
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800G OSFP224 InfiniBand XDR Overview
The 800G OSFP224 InfiniBand XDR category contains one single-mode optical transceiver module supporting 800Gb/s links for InfiniBand XDR and 800G Ethernet environments. The module uses the OSFP224 form factor with a flat-top design, PAM4 modulation, 1310nm transmission, and DOM monitoring. It is designed for ConnectX-8 platforms and supports interconnection with another module of the same type. The category includes no multimode products and one single-mode product, providing transmission distances up to 500m through an MTP/MPO-12 APC connector for data center and cloud network connections.
OSFP-XDR-DR4 is an 800GBASE DR4 single-mode optical transceiver using 1310nm PAM4 transmission over an MTP/MPO-12 APC interface. It delivers an aggregate 800Gb/s optical link with a maximum transmission distance of 500m. Packaged in an OSFP224 flat-top housing with DOM support, the module is designed for InfiniBand XDR and 800G Ethernet connections on ConnectX-8 platforms, including same-type module interconnections in data center and cloud network environments.
FAQ
- What link rate does OSFP-XDR-DR4 provide when installed in a compatible ConnectX-8 OSFP224 port for InfiniBand XDR networking?
It provides one aggregate 800Gb/s InfiniBand XDR optical link. OSFP-XDR-DR4 uses four 200Gb/s PAM4 lanes in a single-port OSFP224 flat-top module.
- What transmission distance and fiber connection are required for the OSFP-XDR-DR4 optical transceiver?
Up to 500m. OSFP-XDR-DR4 uses 1310nm transmission over single-mode fiber and provides one MTP/MPO-12 APC optical connector.
- Can OSFP-XDR-DR4 operate with duplex LC cabling or multimode fiber?
No. OSFP-XDR-DR4 is a DR4 single-mode module with an MTP/MPO-12 APC interface, so duplex LC cabling and multimode fiber do not match its connector and fiber configuration.
- Why does OSFP-XDR-DR4 use a flat-top OSFP224 housing instead of integrated cooling fins?
It is designed for an RHS, or Riding Heatsink, cage in which the host-side cooling assembly contacts the module’s flat top. ConnectX-8 adapters with an OSFP port support the RHS cage configuration.
- Can two OSFP-XDR-DR4 modules be installed at opposite ends of the same 800Gb/s optical link?
Yes. Two OSFP-XDR-DR4 modules can form a same-type point-to-point connection over an MTP/MPO-12 APC single-mode fiber path up to 500m when both host ports support the required 800Gb/s OSFP224 mode.
- Does OSFP-XDR-DR4 provide digital optical monitoring for module management and link diagnostics?
Yes. OSFP-XDR-DR4 includes DOM support, allowing a compatible host management interface to access module operating and diagnostic information. Comparable OSFP224 XDR modules use CMIS-based management functions.