Existing backers Kleiner Perkins, Mayfield, and Fidelity Investments also contributed, bringing Retym’s total funding to over $180m. Headquartered in Silicon Valley, the startup is focused on developing programmable coherent digital signal processing (DSP) solutions for AI and cloud data centre connectivity. The semiconductor technology is used to facilitate high-speed data transmissions between and within data centres. In a statement, Retym said the Series D funding will facilitate scaling to production and further product development.
With this, the company officially launched publicly, out of stealth mode, on Tuesday.
The funding round also saw participation from existing investors Kleiner Perkins, Mayfield, and Fidelity Investments. Retym plans to use this funding to develop programmable coherent digital signal processing (DSP) chips for AI and cloud infrastructure.
“We are focusing on building coherent DSP chips for the next-generation deployment of AI infrastructure and cloud,” said Sachin Gandhi, Retym’s co-founder and CEO.
The company’s DSP chips are designed to enhance data transmission within and between data centres, addressing the growing demand for faster and more efficient communication as AI workloads increase.
Retym’s first chip is being manufactured using TSMC’s five-nanometer process and is expected to be launched later this year. Retym aims to challenge Marvell Technology’s dominance in the DSP market. The Series D funding marks a significant step forward for Retym as it charts a multi-generation product roadmap.
James Kuklinski, general partner at Spark Capital, has joined Retym’s board of directors following the investment. The funding will support scaling to production and continued product development advancements. Retym’s technology is crucial for AI data centres, where thousands of chips must work together efficiently to handle large AI models like ChatGPT. The company was founded in 2021 and has been operating quietly until now.
DSP chips connect thousands of chips necessary for AI models such as ChatGPT. Currently, Marvell Technology dominates the DSP chip market. Founded in 2020, Retym plans to debut its first product this year. It also operates offices in Austin, Tel Aviv, and Yerevan. Retym’s first chip is designed for data movement over distances ranging from 10km to 120km, optimised for 30km to 40km. The chip uses a modulation technique to prevent data corruption. The company employs Taiwan Semiconductor Manufacturing Company’s five nanometre process for the chip, with engineers testing and validating samples.
Retym’s DSP chips are designed to enhance data movement within large-scale AI data centers, addressing the growing need for high-speed connectivity. AI models, such as those powering ChatGPT, require thousands of interconnected chips, making efficient networking essential for processing workloads.
The current market for DSP chips is dominated by Marvell Technology. Retym aims to compete by offering solutions that mitigate data bottlenecks, improving communication between AI processors in cloud computing environments. The startup’s first chip is designed to transmit data across distances ranging from 10 kilometers to 120 kilometers, with an optimal range of 30 to 40 kilometers. It employs a modulation technique to maintain data integrity over long distances.
The company’s initial product is being manufactured using Taiwan Semiconductor Manufacturing Company’s (TSMC) five-nanometer process. Engineers are currently testing and validating samples ahead of the planned market launch later this year.
Retym’s Series D funding round was led by Spark Capital, with participation from investors including Mayfield. The company, founded four years ago, is positioning itself as a key player in AI data center connectivity solutions.
The rising demand for AI infrastructure has intensified competition in the semiconductor sector, particularly in networking technologies. Retym’s approach focuses on solving data transmission challenges across longer distances, a complex issue in AI-driven cloud environments. The success of its upcoming product launch will determine its ability to establish a foothold in a market currently led by established players.
Written by Jack Zhang from AIChipLink.
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