Power Delivery Module (VRM) Market For GPU And AI Servers - Size & Share Analysis - Growth Trends and Forecast (2026 - 2031)

Insights and Trends of Power Delivery Module (VRM) Market For GPU And AI Servers

Growing Demand for GPU Accelerators in Hyperscale Data Centers

Hyperscale operators deployed more than 3 million GPU accelerators in 2025 as compute fabrics shifted toward large language models and recommendation engines. Each NVIDIA H200 or AMD MI300X card draws up to 1,000 watts, forcing VRMs to deliver 1,200 amperes at sub-volt rails with ripple below 10 millivolts. Direct liquid-cooled racks enable power densities above 100 kilowatts, encouraging the use of integrated power modules that compress board footprint. Hyperscalers now require real-time telemetry for phase current, temperature, and efficiency, a specification that favors digital multiphase controllers. These operators increasingly co-develop application-specific modules under 24- to 36-month supply agreements, bypassing traditional distribution channels. 

Transition Toward 3D Stacked HBM Memory Raising Transient Load Requirements

HBM3E, in volume since late 2024, introduces transient steps of 200 amperes per microsecond; HBM4 prototypes will push per-stack power past 50 watts by 2027. VRM suppliers respond with coupled inductors and adaptive voltage positioning, lowering output impedance by 40%.^{[1]IEEE, “Coupled Inductor Design for Multiphase VRMs,” ieee.org} A Texas Instruments six-phase reference design achieved a 15-millivolt transient response at 500 amperes in March 2025. The vertical distance between the GPU die and the memory is shrinking, tightening impedance budgets and forcing VRM placement within 20 millimeters of the substrate. Vertical power modules mounted perpendicular to the board reduce loop inductance by 50%, but they demand custom mechanical fixtures and thermal interfaces.

Energy-Efficiency Mandates from Cloud Service Providers

Microsoft Azure stipulates ≥ 96% power-conversion efficiency at 50% load, while Google Cloud requires data-center PUE below 1.10 for facilities commissioned in 2026. These targets drive adoption of 800-volt intermediate buses that cut distribution losses by 75%. Texas Instruments and STMicroelectronics disclosed gallium nitride stages that switch above 1 megahertz to trim inductor volume by 60%. Washington State energy-disclosure rules, effective January 2025, triggered retrofits emphasizing digital controllers with dynamic phase shedding. The European Union’s amended directive sets a 2027 PUE ceiling of 1.20, accelerating replacement of analog VRMs.

Adoption of Advanced FinFET Nodes Lowering Core Voltages

Taiwan Semiconductor Manufacturing Company began high-volume 3-nanometer production in late 2024, and Intel 18A with backside power entered risk production in February 2025. Nominal voltages slid to 0.65-0.75 volts, doubling current draw for equal power and pushing phase counts past 16. Intel PowerVia reduces parasitic resistance by 30%, yet shifts the bottleneck to VRM capacitors. NVIDIA’s Blackwell GPU, sampling in 2025, is expected to exceed 1,000 watts, prompting the use of 24- and 32-phase controllers with adaptive dead-time control. As gate-all-around transistors emerge at 2 nanometers in 2027, designers explore switched-capacitor and hybrid buck-boost topologies to maintain efficiency below 0.6 volts.

Supply Chain Tightness for High-Performance Power Stages

Lead times for DrMOS and smart power stages stretched to 26 weeks in early 2026 as substrate suppliers prioritized high-margin chiplets. Vishay reported 95% utilization and a backlog into late 2025. Onsemi’s October 2025 acquisition of Vcore secured gallium nitride wafer capacity, illustrating vertical integration moves to stabilize supply. Infineon earmarked EUR 800 million (USD 904 million) for additional silicon-carbide wafers, though new fabs will not reach full output until late 2027. Shortages are most acute above 100 amperes per phase, where copper-clip bonding is needed for thermal headroom. VRM designers must qualify alternate vendors and revise firmware, extending development cycles by up to 9 months.

Thermal Management Challenges Above 800 A Rails

VRMs delivering above 800 amperes dissipate 40-80 watts, exceeding conventional heatsinks and pushing the adoption of liquid-cooled cold plates. Accelsius demonstrated a microfluidic module that cut junction temperatures by 25 °C in January 2025.^{[2]Accelsius, “Microfluidic Cooling for High-Current VRMs,” accelsius.com} Liquid loops add complexity in connectors, leak detection, and maintenance, limiting uptake outside hyperscale settings. Frore Systems’ solid-state AirJet entered production in 2025, providing localized airflow for edge servers where liquid cooling is impractical. Thermal cycling between idle and peak loads degrades solder joints, prompting a shift to sintered-silver die attach and high-temperature polymer capacitors to extend mean time between failures.

Segment Analysis

By VRM Type: Digital Controllers Remain Anchor While Modules Surge

Multiphase, digitally controlled units led the Power Delivery Module (VRM) market share, accounting for 61% of revenue in 2025. These units are preferred due to their advanced features, including firmware-updatable control loops and PMBus telemetry, which are well-suited for hyperscaler fleet monitoring systems. The ability to update firmware ensures adaptability to evolving requirements, while PMBus telemetry provides real-time monitoring and control, making these units highly efficient and reliable for large-scale operations. Integrated power modules, although representing a smaller market share in 2025, are projected to experience the fastest CAGR of 19.74% during the forecast period. This growth is driven by server builders' increasing preference for compact, drop-in solutions that simplify design and reduce development time.

The market share of integrated modules in the Power Delivery Module (VRM) sector is steadily increasing, supported by advancements such as 48-volt intermediate buses and liquid-cooled racks, which enable tighter, more efficient layouts. Vendors like Vicor are at the forefront of this trend, offering innovative solutions that integrate controllers, power stages, and coupled inductors into a single package. This integration reduces board area by approximately 40%, providing significant space-saving benefits for manufacturers. While analog controllers remain cost-effective for edge devices, the long-term trend is shifting toward digital or hybrid designs. These advanced designs offer a balanced approach, combining low latency with enhanced telemetry capabilities, which are critical for modern applications requiring precise power management and monitoring.

By Phase Count: Ultra-High-Phase Designs Address Expanding GPU Budgets

Thirteen- to 20-phase solutions accounted for 43% of the revenue in 2025, establishing themselves as the standard for accelerators requiring up to 700 watts of power. These solutions are widely adopted because they meet the power demands of high-performance computing systems. However, the 20-plus phase tier is projected to grow at a compound annual growth rate (CAGR) of 19.63%, driven by the increasing power requirements of GPUs, which are expected to surpass 1,200 watts in the coming years.

The growth of the Power Delivery Module (VRM) market in this tier is supported by advancements in coupled inductors, which enable 12-phase performance within a compact six-phase footprint. This innovation allows for more efficient power delivery while optimizing space on circuit boards. Additionally, smart power stages with integrated current sensing technology help reduce routing congestion and streamline the design of 24- and 32-phase layouts. Suppliers who can effectively integrate high-phase controllers with vertical packaging solutions are well positioned to capitalize on demand for next-generation GPU launches, as these technologies align with evolving market requirements.

By Current Handling Capacity: Ultra-High-Power Leads Expansion Curve

High-power 300-800 A units accounted for 45% of 2025 revenue, primarily catering to mainstream H100 deployments. These units are critical for supporting the growing demand for high-performance computing applications, which require robust power-delivery solutions. Ultra-high-power units exceeding 800 A are projected to experience a compound annual growth rate (CAGR) of 19.76%, driven by the adoption of training clusters built around next-generation GPUs, such as the upcoming Blackwell and MI400 models. These GPUs are expected to push the boundaries of computational capabilities, further fueling the demand for ultra-high-power units.

The market share of ultra-high-power designs in the Power Delivery Module (VRM) segment is anticipated to grow significantly as advancements in liquid-cooled inductors and vertical module designs reach production. These innovations are expected to enhance efficiency and thermal management, making them ideal for next-generation GPU applications. Meanwhile, mid-power devices in the 100-300 A range are expected to grow in volume, though they may face price compression driven by increased competition and technological advancements. On the other hand, low-power devices below 100 A will continue to play a role in edge inference applications, where lower power requirements are sufficient. However, their overall market value is expected to decline as the focus shifts toward higher-power solutions.

By Component Type: Power Stages Command Value Pool

Power stages accounted for 48% of the revenue in 2025 and are expected to grow at a compound annual growth rate (CAGR) of 19.39%, driven by the increasing adoption of silicon carbide (SiC) and gallium nitride (GaN) devices. These advanced devices significantly enhance efficiency, pushing it above 96%, a critical factor in their growing demand. Furthermore, the integration of DrMOS (Driver MOSFET) technology has proven to be a game-changer, effectively reducing parasitic inductance by 30-40%. This reduction not only improves performance but also justifies the premium pricing associated with these solutions.

The Power Delivery Module (VRM) market size linked to power stages is poised to benefit from the ongoing capacity expansions by major industry players such as onsemi and Infineon. These expansions are expected to address supply chain challenges by reducing lead times and ensuring a more reliable supply of components. In addition, there is a parallel increase in investments in coupled inductors and high-voltage ceramic capacitors, which are essential to support the growing demand for power stages. Despite these developments, controllers continue to hold a strategically significant position in the market. This is because digital telemetry capabilities, which are integral to controllers, play a pivotal role in determining system qualifications and ensuring optimal performance across applications.

By End Application: AI Training Systems Outpace Mature Server Installations

AI and HPC servers accounted for 44% of the revenue in 2025, highlighting their significant role in supporting an installed base designed for mixed training and inference workloads. These servers are optimized to handle the demanding computational requirements of artificial intelligence (AI) and high-performance computing (HPC) applications. AI training systems, in particular, are expected to grow at a compound annual growth rate (CAGR) of 19.56%, driven by increased government investments in sovereign clusters across regions such as Europe, the Middle East, and Asia-Pacific. These investments aim to enhance regional capabilities in AI and HPC technologies.

Training nodes require highly synchronized power delivery systems capable of supporting 8-16 GPUs, necessitating voltage regulator modules (VRMs) with sub-microsecond response times and phase-locked telemetry. These advanced power delivery requirements ensure the efficient operation of training systems under heavy workloads. Meanwhile, GPU cards designed for inference tasks remain a stable mid-growth segment of the market. However, the price sensitivity of inference GPUs limits the potential for significant revenue growth in this niche, despite steady demand.

Geography Analysis

Asia-Pacific generated 58% of 2025 revenue, driven by Taiwan Semiconductor Manufacturing Company’s advancements in packaging technologies and China’s development of exascale training clusters. Japan’s Rapidus initiative secured JPY 920 billion (USD 6.2 billion) in funding to achieve 2-nanometer logic production by 2027, which is expected to create significant demand for sub-0.6-volt Voltage Regulator Modules (VRMs). South Korea’s K-Chips Act is channeling KRW 26 trillion (USD 19.5 billion) into domestic power-management IC production lines, facilitating expansions by major players such as SK hynix and Samsung. Meanwhile, India’s USD 15 billion subsidy program is attracting assembly investments; however, the majority of controller silicon is still sourced from Taiwan and the United States.

North America is anticipated to experience the fastest Compound Annual Growth Rate (CAGR) of 20.95% through 2031, primarily due to the CHIPS Act, which is incentivizing the localization of semiconductor manufacturing capacity. Intel’s USD 20 billion Arizona fabrication facility is set to include a power-management production line by late 2026, while Wolfspeed’s USD 6.5 billion silicon carbide (SiC) plant in North Carolina is expected to begin operations in 2026. Additionally, cloud service providers such as Microsoft Azure and Amazon Web Services are planning to deploy over 500,000 GPUs each by 2027, resulting in a projected VRM demand exceeding 500 megawatts.

Europe’s market share remains limited due to the region’s lack of GPU manufacturing capabilities. However, the EUR 43 billion (USD 48.6 billion) European Chips Act is actively funding the establishment of power-management design hubs in countries like Germany and the Netherlands.^{[3]European Commission, “European Chips Act Funding,” ec.europa.eu} In contrast, the markets in the Middle East, Africa, and South America are still in their early stages of development, relying heavily on imported VRMs to support government-sponsored AI research clusters.