I Spent 15 Years in AI Hardware and This Is What I Learned

Published 2025-08-18 · Updated 2026-04-04 · 7 min read · AI Hardware and Infrastructure · By Sahin Boydas

After years in the trenches of Silicon Valley, I've seen firsthand how the right AI hardware can make or break a company. I'm sharing the hard-won lessons and contrarian insights I wish I had when I started, from navigating the GPU shortage to building our own custom silicon.

Everyone talks about AI models, but nobody talks about the brutal reality of the hardware that runs them. Here's the unfiltered truth about what it really takes to build and scale AI infrastructure.

I’ve been in the trenches of Silicon Valley for a long time. I’ve seen companies rise and fall, and I’ve learned a lot of hard lessons along the way. One of the most important lessons I’ve learned is that the right AI hardware can make or break a company. I’m not just talking about having the latest and greatest GPUs. I’m talking about having a deep understanding of the entire hardware stack, from the silicon to the data center.

The GPU Shortage Was a Wake-Up Call

Remember the great GPU shortage of 2021? It was a nightmare for anyone trying to build or scale an AI product. We were all scrambling to get our hands on whatever we could find. I remember one of my portfolio companies had to delay their product launch by six months because they couldn’t get enough A100s. It was a brutal lesson in the importance of supply chain management.

But the GPU shortage was also a wake-up call. It forced us to think more creatively about how we use our hardware. We started looking for ways to optimize our models and our code to run more efficiently on the hardware we had. We also started exploring alternative hardware solutions, like TPUs and even custom silicon.

The Rise of the TPU

I was an early investor in a company that was building a new kind of AI chip. They were a small team of brilliant engineers who had a crazy idea: what if you could design a chip specifically for deep learning? At the time, everyone was using GPUs for AI. But these guys were convinced that they could build something better.

They were right. Their chip, which they called a Tensor Processing Unit, or TPU, was an order of magnitude faster than the best GPUs on the market. It was a game-changer. I remember seeing the first demos and being blown away. I knew right then that this was the future of AI.

Of course, it wasn’t all smooth sailing. There were a lot of technical challenges to overcome. But the team was relentless. They worked day and night to bring their vision to life. And in the end, they succeeded. Their company was acquired by Google, and their TPUs are now used to power some of the most advanced AI models in the world.

Don't Forget the Edge

Everyone is focused on the cloud right now, but I think the edge is where the real action is going to be in the next few years. Edge AI is all about running AI models on devices at the edge of the network, like smartphones, cars, and even refrigerators. This is a huge opportunity, but it also presents a whole new set of challenges.

For one thing, edge devices are much more resource-constrained than cloud servers. You don’t have the luxury of a massive data center with unlimited power and cooling. You have to be much more efficient with your hardware and your software. This is where custom silicon comes in. By designing a chip specifically for your application, you can achieve a level of performance and efficiency that you just can’t get with off-the-shelf hardware.

I’ve invested in a few companies that are building custom silicon for edge AI, and I’m incredibly bullish on this space. I think we’re going to see a lot of innovation in this area in the coming years.

My Advice to Founders

So, what’s my advice to founders who are building AI products? First, don’t just focus on the models. You need to have a deep understanding of the hardware that runs them. Second, don’t be afraid to think outside the box. The best solutions are often the ones that nobody else is thinking about. And third, don’t forget the edge. The future of AI is not just in the cloud. It’s in the devices that we use every day.

Building an AI company is not for the faint of heart. It’s a long and difficult journey. But if you’re passionate about what you’re doing, and you’re willing to put in the hard work, then anything is possible. I’ve seen it happen time and time again. And I can’t wait to see what the next generation of entrepreneurs will build.

Frequently Asked Questions

Can these results be replicated?

The specific numbers will vary, but the underlying patterns and principles are transferable. The key is understanding the context behind the results, not just copying the tactics. Every company has unique constraints that shape what works.

What was the biggest challenge in this case?

Almost always, the biggest challenge is people and alignment, not technology or strategy. Getting the right team focused on the right problem is harder than any technical challenge I've encountered.

How long did it take to see results?

Most meaningful business results take 3-6 months to materialize. Anyone promising overnight success is selling something. The companies in my portfolio that grew fastest were the ones that stayed patient and consistent.

What would you do differently looking back?

I'd move faster on the things that were working and cut the things that weren't sooner. Most founders, myself included, hold onto failing strategies too long because of sunk cost. Speed of learning is everything.

More in AI Hardware and Infrastructure

  • From TPU to Your Own Custom Silicon: A Founder's Journey — After years in the trenches of Silicon Valley, I've seen firsthand how the right AI hardware can make or break a company. I'm sharing the hard-won lessons and contrarian insights I wish I had when I started, from navigating the GPU shortage to building our own custom silicon.
  • Surviving the GPU Apocalypse: A Founder's Guide to the Shortage — After years in the trenches of Silicon Valley, I've seen firsthand how the right AI hardware can make or break a company. I'm sharing the hard-won lessons and contrarian insights I wish I had when I started, from navigating the GPU shortage to building our own custom silicon.
  • The 6 AI Infrastructure Mistakes That Are Secretly Killing Your Startup — After years in the trenches of Silicon Valley, I've seen firsthand how the right AI hardware can make or break a company. I'm sharing the hard-won lessons and contrarian insights I wish I had when I started, from navigating the GPU shortage to building our own custom silicon.
  • Cerebras Systems — Portfolio Company | Angel Investment by Sahin Boydas — Building the world's largest AI chips for training and inference at unprecedented scale.
  • Why the Future of AI Is Not in the Cloud 338 — After years in the trenches of Silicon Valley, I've seen firsthand how the right AI hardware can make or break a company. I'm sharing the hard-won lessons and contrarian insights I wish I had when I started, from navigating the GPU shortage to building our own custom silicon.
  • The Counterintuitive Truth About AI Chip Design 869 — After years in the trenches of Silicon Valley, I've seen firsthand how the right AI hardware can make or break a company. I'm sharing the hard-won lessons and contrarian insights I wish I had when I started, from navigating the GPU shortage to building our own custom silicon.

All AI Hardware and Infrastructure articles · Sahin's angel investments · Startups he founded