From 400G to 800G: Redefining Data Transmissions

17 Aug 2023

From 400G to 800G: Redefining Data Transmissions

The dawn of the 800G era is upon us, signifying a monumental shift in networking technology. This leap brings the challenge of accommodating more advanced technology within definitive size constraints. The pivotal elements of this transition include increased power consumption, enhanced thermal resilience, and the incorporation of sophisticated components like heatsinks.

NVIDIA's DGX A100, featuring the ConnectX-6 network card and M8700 switch, and the sought-after DGX H100 with the ConnectX-7 card and QM9700 switch, have garnered significant attention. Combined with NVLink and NVSwitch connecting GPUs at 600Gb/s, the ConnectX cards are pivotal in unifying the AI infrastructure. With the DGX H100's significant adoption of the 400G OSFP ports, there's an anticipated rise in the use of OSFP and QSFP connectors, especially as demand for the H100 increases from 2023H2 onwards.

As the industry moves towards harnessing dual 400G interfaces to achieve the 800G milestone, network operators are confronted with essential choices between form factors like QSFP-DD and OSFP. This shift emphasizes the urgent need for strategic vendor partnerships to adeptly navigate the evolving landscape.

OSFP: Redefining High-Speed Networking

OSFP has marked the beginning of a new era in high-speed networking, data centers, and telecommunications. The more prominent form factor of OSFPs enables superior thermal performance, allowing these transceivers to handle bandwidth-intensive applications without the risk of overheating. Importantly, their forward compatibility potential prepare the industry for future applications demanding up to 800G rates.

Differences in Design: QSFP-DD vs. OSFP

 Both QSFP-DD and OSFP modules support up to 400 Gbps. However, OSFP, with its superior thermal performance and larger size, is better equipped for high-performance applications.

With the introduction of OSFP1600 and OSFP-XD, the potential of OSFP is further accentuated. Specifically, OSFP-XD offers double the front panel density compared to QSFP-DD.

With the continuous advancements of transceivers, they are not only reshaping current practices but also pioneering future possibilities, holding promising potential in shaping the future of the infrastructure of the digital realm.

(Source: Optical Module Solutions from the OSFP MSA)

Pioneering 800G Challenges with Nextron

Transitioning from 400G to 800G presents intricate challenges, with advanced thermal management at its core. Network operators require partners well-versed in the latest thermal solutions. 

Nextron excels in high-speed I/O port development, aligning with transceiver standards and prioritizing efficient heat dissipation. Our offerings, from QSFP+, QSFP28, to QSFP-DD connectors, embody superior heat design and support diverse applications with 56G PAM-4 certification, progressing towards 112G PAM-4 evolution.

Looking forward, the imminent release of our 800Gb/s SmartNIC underlines our dedication to advancing connectivity solutions. As we navigate the digital future, partnering with Nextron is pivotal for those seeking to lead in high-performance computing.

This website uses technical and analytical cookies, including third-party cookies, to analyse user browsing behaviour, create website visit statistics and improve the contents provided. To consult the full Cookie Policy or decline, at a later date, your consent to the cookies used by the website, click here.

Got It!