Integrated 800 VDC Power Infrastructure: Why This Matters for AI Factories

By Amy Barzdukas
Head of Americas Marketing

AI growth is outpacing the infrastructure built to support it. GPUs are scaling like express trains, but the stations—power, cooling, and energy systems—weren’t designed for this level of traffic. That mismatch slows deployment, increases risk, and delays the moment operators can generate value from their AI investments.

At NVIDIA GTC 2026, we introduced an integrated 800 VDC power architecture designed to fix that imbalance. Rather than treating power and cooling as separate construction projects that must be assembled on site, Delta delivers systems that arrive pre-aligned, pre-validated, and ready to plug into high-density AI platforms like NVIDIA Rubin.

Why Integration Changes the Game
Traditionally, operators mix and match components from different vendors, then spend weeks tuning interfaces and protections to get everything synced. It’s like assembling a car from parts made by five manufacturers—you can get it running, but not without delays and surprises.

Delta’s 800 VDC InRow 660 kW racks come as complete, engineered units with 80 kW of embedded battery backup and up to 98 percent efficiency. More work is done at the factory, so less work has to be done on-site. This helps reduce commissioning chaos and brings AI capacity online faster—critical in an industry where every day of delay can impact revenue.

Saving Space for What Matters
AI servers are getting heavier, hotter, and hungrier. The supporting gear—CDUs, pumps, PDUs—can quickly crowd the floor if not designed thoughtfully. Delta’s thermal strategy keeps large mechanical systems out of the data hall, such as keeping major appliances in the utility room rather than the kitchen. Both our AC-powered and DC-powered liquid‑to‑liquid CDUs handle the load without taking up GPU‑valuable space.

When it comes to L2L cooling, design really matters. Operators rightly worry about fluid around electronics. Delta’s containment‑first approach—isolated loops, engineered cold plates, leak detection, and high‑reliability pumps—creates a controlled environment rather than a custom plumbing exercise.

Why It Matters for the Industry
Building infrastructure for AI isn’t just a matter of supersizing what yesterday’s data centers needed. The demands are fundamentally different. Traditional facilities were designed around steady, predictable loads and incremental growth. AI factories behave more like high‑performance engines—they pull power in sharp swings, generate far more heat in tighter spaces, and scale in leaps rather than steps. Trying to meet that with legacy design principles is like trying to tow a freight trailer with a 2009 sedan: even a bigger engine won’t fix the mismatch.

The integrated 800 VDC portfolio is Delta’s answer to this new reality. It delivers power and cooling systems that are engineered for AI’s pace and density from the start.


Read the press release here: https://www.delta-americas.com/en-US/news/deltas-power,-cooling-and-microgrid-solutions-showcased-at-nvidia-gtc-to-bolster-the-800-vdc-architecture-of-next-gen-ai-factories

Download the white paper here: https://www.delta-americas.com/en-US/landing/The-Rise-of-the-AI-Data-Center-White-Paper