Lumulus Technologies has developed an innovative 1.6T DAC cable, designed to deliver exceptional performance in high-speed connections.
The exponential growth of AI models has pushed our current computing infrastructure to its limits. As we work with increasingly complex AI systems, the need for faster, more efficient data processing becomes critical.
The launch of the 1.6T DAC marks a significant milestone in addressing these challenges. This breakthrough technology combines unprecedented high data rates with remarkable power efficiency, creating new possibilities for hyperscale data centers and AI computing platforms.
In this article, we'll explore how the 1.6T DAC technology works, its impact on AI computing performance, and the real-world applications that will benefit from this innovation. We'll also examine how this technology is set to transform data center architecture and shape the future of AI deployment.
Basic principles and architecture
1.6T DAC cables primarily feature two form factors: OSFP and OSFP-XD.
The foundation of 1.6T OFSP DAC technology lies in its innovative 8x200G PAM4 design, which enables unprecedented data transmission rates. This architecture utilizes eight channels, each capable of handling 200Gbps, resulting in a total bandwidth of 1.6 terabits per second.
OSFP-XD features 16x100G PAM4. This architecture utilizes sixteen channels each capable of handing 100Gbps, resulting in a total bandwidth of 1.6 terabits per second.
Key technical specifications
The technical prowess of 1.6T DAC is evident in its remarkable specifications. These cables achieve ultra-low power consumption of just 0.1W, making them incredibly efficient for large-scale deployments
Key features that set this technology apart:
- Superior mechanical durability with enhanced shielding
- Excellent cooling efficiency through closed top design
- IEEE 802.3 compliance and hot-pluggable capability
Reduced latency benefits
In the realm of AI computing, ultra-low latency is crucial. DAC cables by their nature provide very low latency.
New networking possibilities
The emergence of 1.6T technology has opened up unprecedented networking capabilities. This advancement enables seamless connectivity across various configurations, including:
- Top-of-rack switch to GPU/TPU/CPU server connections
- Rack-to-rack connectivity solutions
- Accelerator-to-accelerator compute fabric implementations
Conclusion
The arrival of 1.6T DAC technology marks a defining moment for AI computing and data center infrastructure. We've seen how its groundbreaking 8x200G and 16x100G PAM4 designs deliver exceptional performance while maintaining remarkable power efficiency. This combination of speed, scalability, and reduced latency pushes AI capabilities far beyond previous limitations.