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Black ATX motherboard with silver heatsinks and RGB lighting

ASUS

ASUS Prime Z390-A LGA 1151 Intel Motherboard

SKU CH-B5E7-1T259

Supports 9th and 8th generation Intel Core processors with M.2, USB 3.1 Gen2 and ASUS Optimum II for DRAM overclocking stability

  • Designed for 9th and 8th generation Intel Core processors to maximise connectivity and speed
  • Revamped 5-Way Optimization overclocks the CPU using smart prediction and thermal telemetry
  • 5X Protection III hardware safeguards with Safe Slot Core, LAN Guard and Over voltage Protection enhance longevity
  • HDMI interface delivers high-quality sound and video through a single cable
  • DisplayPort transmits audio and video on one channel for versatile performance

Designed for 9th and 8th Gen Intel Core

This ATX motherboard uses the Intel Z390 chipset and LGA 1151 socket to support 9th and 8th generation Intel Core processors. It provides a foundation for high-speed connectivity and system responsiveness. The board targets builders who want robust overclocking headroom and extensive I/O options in a standard form factor.

Dual M.2 and USB 3.1 Gen2 connectivity

Dual M.2 slots and USB 3.1 Gen2 ports deliver maximum data transfer speeds for storage and peripherals. HDMI and DisplayPort outputs enable integrated graphics video output using a single cable for audio and video. 5-Way Optimization adds AI overclocking prediction and dynamic fan calibration through FanXpert 4 for automated tuning.

Verify CPU generation and cooler clearance

Confirm your processor is an 8th or 9th generation Intel Core model before ordering. Check that your CPU cooler fits the LGA 1151 socket mounting pattern and does not interfere with the top PCIe slot or memory modules. Ensure your power supply provides the required 8-pin and 24-pin connectors for this board.

Highlights

  • Designed for 9th and 8th generation Intel Core processors to maximise connectivity and speed
  • Revamped 5-Way Optimization overclocks the CPU using smart prediction and thermal telemetry
  • 5X Protection III hardware safeguards with Safe Slot Core, LAN Guard and Over voltage Protection enhance longevity
  • HDMI interface delivers high-quality sound and video through a single cable
  • DisplayPort transmits audio and video on one channel for versatile performance

Specifications

BrandASUS

Questions about this item

How often will the Safe Slot Core and LAN Guard safeguards under 5X Protection III need replacement?

These hardware safeguards are built into the board and do not require scheduled replacement; they protect the PCIe slot and LAN port for the life of the product.

What limit appears first when the VRM runs at high current all day?

The VRM thermal ceiling is the first limit; FanXpert 4 ramps the chassis fans automatically to keep temperatures in check during sustained loads.

How loud and hot does the board get when the 5-Way Optimization AI runs fans continuously?

FanXpert 4 adjusts fan curves in real time using thermal telemetry, so noise and heat stay proportional to the actual CPU load rather than running at a fixed high speed.

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