Industry Trends

Is the 200T AI Era Here: Why Are Optical Interconnect Chips Like Broadcom Harder to Buy Than Compute Chips?

AI servers need massive data speeds. Slow data transfer ruins system performance. You buy fast GPUs, but without the right interconnect chips, everything stops. Here is why this happens.

Optical interconnect chips1 from brands like Broadcom are harder to buy because the industry faces severe interconnect bottlenecks. As AI reaches 200T speeds, new technologies like Co-Packaged Optics2 and PCIe Gen63 are required. These complex chips have much tighter supply chains than standard compute chips.

AI server optical interconnect chips

I see this problem every day when I help my OEM customers source parts. We must look closer at why these tiny interconnect chips cause such big production delays.

What makes the 200T AI data bottleneck so painful for production?

You spend millions on top compute chips, but your servers still run slow. This data traffic jam wastes your money. It completely ruins your fast production goals.

The 200T AI bottleneck4 happens because compute chips process data faster than traditional cables can move it. Servers must use advanced optical interconnects to send data without delay. This sudden need makes optical chips highly demanded and very hard to find today.

AI data bottleneck concept

I remember a hardware engineer calling me last month. He had all his GPUs ready on his factory floor. But he could not ship his new AI servers. He was waiting for optical interconnect chips. This story shows a big shift in our industry. In the past, we only worried about getting enough compute power. Now, the compute power is so high that the data lines cannot keep up. The GPUs process data much faster than the old lines can handle.

The Limits of Old Technology

Traditional copper wires5 work fine for old servers. But in the new 200T AI era, copper wires lose signal very fast. They also get too hot. This heat damages the system. This is why optical chips are now the most important parts for any AI project.

Comparing Data Transfer Methods

Let us look at the simple differences between the two methods.

Feature Traditional Copper Cables Optical Interconnect Chips
Speed Low to Medium Very High (200T+)
Heat Generation Very High Low
Travel Distance Short Long
Supply Availability Easy to buy Very hard to buy

Because everyone is moving to optical chips at the exact same time, the factories cannot make enough of them. This creates a huge gap in the global market.

Why is Co-Packaged Optics2 causing major supply shortages?

Old pluggable optics use too much power. If you keep using them, your system will overheat and fail. Co-Packaged Optics2 solves this, but you cannot find the parts.

Co-Packaged Optics2, or CPO, moves the optical engine right next to the compute chip. This saves power and increases server speed. However, CPO requires extreme precision to build. Only a few top manufacturers can make them, causing severe global supply shortages.

Co-Packaged Optics CPO technology

My team at Nexcir has over 20 years of experience in this market. We track market trends very closely every single day. We see that CPO is changing the whole supply chain right now. In a normal server setup, the optical parts sit at the edge of the board. The data has to travel a long distance to reach the main compute chip. This long trip wastes a lot of time and power.

The Power of Proximity

CPO puts the light engine on the exact same package as the main chip. This is a very smart design. It cuts power use by a lot. But it is very hard to make in a factory.

Manufacturing Challenges

The factories have to perfectly align tiny glass fibers with silicon chips. This takes special tools and a lot of time.

Challenge Normal Pluggable Optics Co-Packaged Optics2 (CPO)
Assembly Location Edge of the board On the main chip package
Production Difficulty Standard Very High
Maker Count Many factories Very few factories
Yield Rate High Still improving (Low)

Because the yield rate is still low, the factory output is very small. When a customer asks me for these parts, I have to use our global network to find them. You cannot just buy them easily. They are too rare.

How does PCIe Gen63 complicate the global supply chain?

You need PCIe Gen63 for fast AI servers. But finding these new chips is a nightmare. Delays in getting these parts will force your whole project to stop.

PCIe Gen63 doubles the data speed of the older generation. It uses a complex signal technology called PAM4. This makes the new chips much harder to design and build. The slow production process makes these specific chips very scarce in the global market.

PCIe Gen6 interconnect chips

Every time a new PCIe standard comes out, the supply chain feels the stress. PCIe Gen63 is the hardest one yet. Our customers want lower prices, but new tech is always costly and rare. The jump from Gen5 to Gen6 is not just a small step. It is a complete change in how the data moves.

The PAM4 Signal Problem

Older PCIe versions used simple signals. They sent basic ones and zeros. PCIe Gen63 uses PAM4. This method sends four different signals at the exact same time. This is great for data speed. But the chips need very good error checking. If the chip has a small flaw, the data is completely ruined.

Why Supply is Slow

Testing these complex chips takes a long time in the factory.

Standard Signal Type Speed Supply Status
PCIe Gen4 NRZ Fast Good supply
PCIe Gen5 NRZ Very Fast Tight supply
PCIe Gen63 PAM4 Ultra Fast Extreme shortage

Original manufacturers are taking longer to release big batches of PCIe Gen63 chips. I tell my procurement clients to plan many months ahead. If you wait until you need them, you will not find them. The market demand is just too high right now.

How can procurement teams secure these rare Broadcom chips safely?

Fake chips6 are flooding the market. If you buy from unverified sellers, your AI server will crash. You need a safe way to buy these rare parts now.

Procurement teams must use authorized global distributors to find rare interconnect chips. You must check the full supply chain to ensure 100% original parts. Working with experienced sourcing partners helps you avoid market shortages, secure stable pricing, and keep fake components away.

Safe procurement of electronic components

At Nexcir, we know the pain points of hardware engineers and procurement managers. You need high-quality, 100% original electronic components. You also want stable pricing without crazy market changes. When Broadcom optical chips are short, the gray market fills up with fake parts. I have seen companies lose thousands of dollars on bad parts. They bought from the wrong people.

The Risk of Counterfeits

When supply is low, bad actors try to sell fake or old chips as new ones. This is very dangerous for expensive AI servers. A fake chip will break your whole system.

Our Safe Sourcing Method

We use a strict process to protect our customers every time.

Action Unsafe Sourcing Nexcir Sourcing
Supply Channel Random brokers Authorized distributors
Quality Check None Full traceability
Pricing High and unstable Stable and competitive
Delivery Unknown Fast global logistics

Our core team uses over 20 years of experience to solve these problems. We only source from proven channels in North America, Europe, and Asia. We make sure you get authentic parts on time. This helps you lower procurement risks and keep your schedule safe.

Conclusion

The 200T AI era makes optical chips harder to find than compute chips. You must understand interconnect bottlenecks and use trusted global partners to buy safe and original parts.



  1. Understanding optical interconnect chips is crucial for optimizing AI server performance and overcoming data bottlenecks.

  2. Co-Packaged Optics enhances server speed and efficiency, making it a key technology in modern AI infrastructure.

  3. PCIe Gen6 offers ultra-fast data speeds but comes with design and supply challenges that impact AI server performance.

  4. The 200T AI bottleneck is a critical issue affecting data transfer speeds, impacting overall server efficiency.

  5. Traditional copper wires can't handle the high speeds and heat of modern AI servers, necessitating advanced alternatives.

  6. Avoiding fake chips is vital for maintaining AI server integrity and performance, ensuring reliable operations.

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