SIGNALInfrastructure Software·Jun 10, 2026, 4:35 PMSignal55Medium term

Intel's upcoming Z790 and Z990 flagship chipsets will reportedly consume up to 14W at peak load, courtesy of more PCIe 5.0 support — Nova Lake motherboards may feature a 22% smaller PCH than Z890

Source: Tom's Hardware

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Intel's upcoming Z790 and Z990 flagship chipsets will reportedly consume up to 14W at peak load, courtesy of more PCIe 5.0 support — Nova Lake motherboards may feature a 22% smaller PCH than Z890

The Z990 PCH for Nova Lake motherboards is apparently 22% smaller than Z890, despite featuring a higher power maximum power draw of up to 14W. The leaked picture of the PCH shows a 11.15 x 6.5mm die and 25 x 24mm package, but we're unsure what motherboard it actually comes from.

Why this matters
Why now

Intel is preparing for its next generation of chipsets (Z990 for Nova Lake), and details are emerging through leaks as product development progresses.

Why it’s important

This information highlights ongoing trends in chipset design, balancing performance increases (PCIe 5.0 support, potentially higher power draw) with design constraints (smaller PCH size).

What changes

Intel's next-gen chipsets will require more power while demonstrating an ability to reduce physical size, indicating continued advancements in chip design density and power management for high-performance computing.

Winners
  • · Intel
  • · High-performance PC users
  • · Motherboard manufacturers
Losers
  • · Competitors without similar density/power efficiency
Second-order effects
Direct

Increased power consumption in chipsets will necessitate more robust cooling solutions and potentially larger power supply units in high-end systems.

Second

The reduction in PCH size could free up motherboard real estate for other components or enable more compact motherboard designs.

Third

This trend of increasing power draw for enhanced features could contribute to broader concerns about energy consumption in advanced computing infrastructure.

Editorial confidence: 90 / 100 · Structural impact: 40 / 100
Original report

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