AI Servers Drive Nuvoton BMC Demand Surge: 120 Chips Per Rack
AI server explosion drives BMC chip demand to double, with Nuvoton as one of only two major global BMC suppliers benefiting significantly.
AI Servers Drive BMC Demand Surge: Per-Rack Chip Count Doubles to 120
According to a recent Digitimes report, the demand for BMC (Baseboard Management Controller) chips is experiencing unprecedented growth driven by the expansion of generative AI and hyperscale data centers. A striking data point: the number of BMC chips required per server rack has jumped from approximately 60 to over 120, representing a more than 100% increase.
Why Is BMC Demand Suddenly Surging?
BMC chips serve as the operational backbone of server motherboards, handling remote monitoring, power management, firmware updates, and fault diagnosis. Traditionally, each server required one BMC chip. However, the AI era has introduced three structural shifts:
- Higher GPU Server Density: AI training and inference demand large numbers of GPU accelerators, with each AI server often carrying 4–8 GPUs. The increased motherboard complexity means some high-density servers now require multiple BMC chips for coordinated management.
- More Complex Cooling and Power Management: AI servers consume thousands of watts, requiring liquid cooling and intelligent power distribution — each subsystem needing its own BMC for real-time monitoring and control.
- Rack-Level Management: Hyperscale data centers increasingly deploy and manage servers at the rack level, making Rack Management Controllers a standard requirement, further boosting BMC chip volume.
Nuvoton: A Key Player in the BMC Race
In the global BMC chip market, Nuvoton and ASPEED are the two dominant suppliers. Nuvoton's BMC product line, built on ARM architecture, spans entry-level to enterprise-grade solutions. At Embedded World 2026, Nuvoton showcased its latest BMC solutions with support for the OpenBMC open-source firmware ecosystem and the latest DMTF management protocol standards.
Notably, with ASPEED facing capacity constraints in recent years, Nuvoton's BMC products are accelerating their penetration into more server OEMs and cloud providers' supply chains, steadily capturing market share. This AI-driven demand explosion provides strong growth momentum for Nuvoton's BMC business.
Industry Impact and Outlook
The doubling of BMC chip usage benefits not only chip vendors but also unlocks opportunities across the ecosystem:
- BMC Firmware and Software Services: The proliferation of the OpenBMC ecosystem is driving demand for customized BMC firmware development and management tools.
- Management Network Upgrades: More BMC chips mean larger out-of-band management network traffic, spurring upgrades in management switches, gateways, and related hardware.
- Domestic Substitution Window: Amid US-China tech tensions, BMC chips — as critical server components — face growing localization demand, opening a larger market for companies like Nuvoton with independent IP.
HSY Perspective
The doubling of BMC chip usage is a direct reflection of AI infrastructure buildout, a trend that will continue to accelerate over the next 2–3 years. For Hensen Technology's downstream clients — particularly server ODM/OEM manufacturers and data center solution integrators — we recommend closely monitoring Nuvoton's BMC product line supply and technology roadmap. Nuvoton's technical expertise and production readiness in the BMC space will directly impact clients' server delivery capabilities and operational efficiency. We will continue tracking BMC market dynamics to help clients seize supply chain opportunities.
This article is compiled from Digitimes reports and Nuvoton's official public materials.