I/O Cover ek water blocks for ROG Maximus Z690/Z790 Extreme — EK-Quantum Momentum², black

I/O Cover EK Water Blocks EK-Quantum Momentum² for ROG Maximus Z690/Z790 Extreme — black is a purpose-built replacement I/O shroud designed to fit ASUS ROG Maximus Z690 and Z790 Extreme motherboards. It matches EK-Quantum Momentum² styling and finishes in black to provide a unified look with water-cooling components and premium PC builds. The cover replaces the stock shroud to create a continuous visual flow between the motherboard and custom liquid cooling blocks.

Advantages

The I/O cover is engineered for direct compatibility with the specified ROG Maximus models, offering precise fitment and a clean, factory-like appearance. Its black finish integrates with matte and dark-themed builds while reducing visible seams between the motherboard and EK-Quantum Momentum² blocks. The part simplifies aesthetic coordination in custom water-cooled systems without altering motherboard function or connectors.

Suitable for

• Custom desktop builds using ASUS ROG Maximus Z690 Extreme
• Custom desktop builds using ASUS ROG Maximus Z790 Extreme
• Systems featuring EK-Quantum Momentum² water-cooling components
• PC builds prioritizing a unified black aesthetic around the rear I/O area

Key specifications

• Compatibility: Designed to fit ASUS ROG Maximus Z690 Extreme and Z790 Extreme motherboards
• Finish: Black surface treatment consistent with EK-Quantum Momentum² styling
• Function: Replacement I/O shroud for visual integration with water-cooling hardware
• Material: Rigid material suitable for structural shroud application (manufacturer-specified materials not reproduced)
• Fitment: OEM-style mounting points for direct installation without modification

How to use

Power down the PC, disconnect power and external cables, and place the system on a static-safe surface. Remove the existing I/O shroud from the compatible motherboard following the motherboard manufacturer's instructions. Align the EK-Quantum Momentum² I/O cover with the motherboard's mounting points and secure it using the original fasteners or those supplied. Reconnect cables and power, then verify that all rear connectors remain accessible and fully functional.

Recommendations

Install the I/O cover only on the specified ASUS ROG Maximus Z690 or Z790 Extreme models to ensure correct fit. Avoid forcing the cover into place; if alignment is difficult, recheck mounting point alignment and remove any obstructing accessories. For water-cooled systems, coordinate the I/O cover finish with other EK-Quantum Momentum² components to maintain consistent appearance.