What fiber type, connector, and maximum link distance are specified for the OSFP-800G-DR4?

Up to 500m. The OSFP-800G-DR4 uses 1310nm transmission over single-mode fiber and provides one MTP/MPO-12 APC optical connector.

How does the OSFP-800G-DR4 transmit an aggregate data rate of 800Gb/s?

It uses four 200Gb/s PAM4 electrical channels and four parallel DR4 optical channels. The four optical channels are carried through one MTP/MPO-12 APC connector.

Does the OSFP-800G-DR4 have a flat-top or finned-top thermal design?

It has a flat-top OSFP224 design. Cooling is provided through the host cage’s riding heat sink or the liquid-cooled platform thermal structure rather than fins integrated into the transceiver housing.

Can the OSFP-800G-DR4 be deployed with ConnectX-8 networking in liquid-cooled DGX B300 and GB300 systems?

Yes. The OSFP-800G-DR4 is intended for 800Gb/s ConnectX-8 links in liquid-cooled AI systems. DGX B300 provides eight 800Gb/s ConnectX-8 connections, while a GB300 compute tray integrates four ConnectX-8 NICs for 800Gb/s compute networking.

Can the OSFP-800G-DR4 report transceiver operating information to the connected host?

Yes. The OSFP-800G-DR4 supports DOM, allowing the host system to access supported real-time operating and diagnostic information from the transceiver.

Can the OSFP-800G-DR4 be connected with multimode fiber or an MTP/MPO-12 UPC cable?

No. The specified optical interface requires single-mode fiber and an MTP/MPO-12 APC connection. Multimode fiber and UPC-polished connectors do not match the stated OSFP-800G-DR4 optical interface.

800G OSFP224

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800G DR4 OSFP224 Flat Top PAM4 1310nm 500m DOM MTP/MTP/MPO-12 APC Optical Transceiver Module

OSFP-800G-DR4

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US$899.00
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800G OSFP224 Overview

The 800G OSFP224 category contains one 800G DR4 optical transceiver designed for liquid-cooled DGX B300 and GB300 AI systems. It uses the OSFP224 form factor with a flat-top thermal structure, PAM4 modulation, 1310nm optics, DOM support, a Broadcom 3nm DSP, and silicon photonics technology. The series comprises one single-mode module supporting transmission up to 500m through an MTP/MPO-12 APC connector. It connects dual 800Gb/s ConnectX-8 mezzanine cards or ConnectX-8 PCIe cards in systems equipped with dual-port OSFP 2x800Gb/s transceivers.

OSFP-800G-DR4 This 800G DR4 OSFP224 transceiver provides parallel optical transmission at 1310nm over single-mode fiber. It uses one MTP/MPO-12 APC connector for the DR4 optical interface and supports links up to 500m. The flat-top module integrates PAM4 modulation, DOM, a Broadcom 3nm DSP, and silicon photonics technology. It is used with dual 800Gb/s ConnectX-8 mezzanine or PCIe cards in liquid-cooled DGX B300 and GB300 AI systems fitted with dual-port OSFP 2x800Gb/s transceivers.

FAQ

What fiber type, connector, and maximum link distance are specified for the OSFP-800G-DR4?: Up to 500m. The OSFP-800G-DR4 uses 1310nm transmission over single-mode fiber and provides one MTP/MPO-12 APC optical connector.
How does the OSFP-800G-DR4 transmit an aggregate data rate of 800Gb/s?: It uses four 200Gb/s PAM4 electrical channels and four parallel DR4 optical channels. The four optical channels are carried through one MTP/MPO-12 APC connector.
Does the OSFP-800G-DR4 have a flat-top or finned-top thermal design?: It has a flat-top OSFP224 design. Cooling is provided through the host cage’s riding heat sink or the liquid-cooled platform thermal structure rather than fins integrated into the transceiver housing.
Can the OSFP-800G-DR4 be deployed with ConnectX-8 networking in liquid-cooled DGX B300 and GB300 systems?: Yes. The OSFP-800G-DR4 is intended for 800Gb/s ConnectX-8 links in liquid-cooled AI systems. DGX B300 provides eight 800Gb/s ConnectX-8 connections, while a GB300 compute tray integrates four ConnectX-8 NICs for 800Gb/s compute networking.
Can the OSFP-800G-DR4 report transceiver operating information to the connected host?: Yes. The OSFP-800G-DR4 supports DOM, allowing the host system to access supported real-time operating and diagnostic information from the transceiver.
Can the OSFP-800G-DR4 be connected with multimode fiber or an MTP/MPO-12 UPC cable?: No. The specified optical interface requires single-mode fiber and an MTP/MPO-12 APC connection. Multimode fiber and UPC-polished connectors do not match the stated OSFP-800G-DR4 optical interface.