5-Pack PCI Slot Cover Vented Blanking Plate | ATX PC Case

Keep Your PC Cool & Dust-Free with Vented PCI Slot Covers

Unused PCI slots in your ATX computer case are an open invitation for dust, debris, and poor airflow. This set of 5 stainless steel PCI slot covers seals off empty expansion slots with a vented design that actively promotes hot-air exhaust from around your graphics card and other components — keeping your build cleaner and running cooler.

The perforated blanking plates allow warm air generated near the GPU to escape through the ventilation holes, improving overall thermal efficiency inside your case without restricting airflow. Whether you're building a new rig or tidying up an existing one, these slot covers are a quick, affordable upgrade.

Key Features

• Vented / Perforated Design — Allows hot air to escape, accelerating airflow and improving case ventilation
• Stainless Steel Construction — Durable, rust-resistant material built to last
• Universal ATX Compatibility — Fits most standard ATX computer cases
• Blocks Dust Ingress — Covers open PCI slots to prevent dust and debris from entering your case
• Easy to Install — Standard dimensions slot right in with no tools required (screw-secured per your case)
• Value Pack of 5 — Enough to cover multiple open slots in a single build

Specifications

• Material: Stainless Steel
• Colour: Black
• Dimensions: 12 cm × 2 cm (4.75 in × 0.79 in) per piece
• Compatibility: Standard ATX PC cases
• Package Contents: 5 × PCI Slot Cover / Blanking Plate
• Made in Mainland China

Why Proper Case Ventilation Matters

Open expansion slots disrupt the intended airflow path inside your PC case, allowing unfiltered air and dust particles to enter freely. Sealing these with vented blanking plates directs airflow through your case fans and heatsinks as designed, helping maintain optimal operating temperatures for your GPU, CPU, and other components. For more on best practices for PC thermal management, see guidance from the U.S. Department of Energy on cooling systems.

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Frequently Asked Questions

Q: Will these PCI slot covers fit my ATX computer case?

A: Yes. These blanking plates are built to standard ATX dimensions (12 cm × 2 cm), making them compatible with the vast majority of standard ATX and mid-tower PC cases. Always double-check your case's slot dimensions if you have a non-standard or proprietary build.

Q: Do the vented holes make a difference to airflow compared to solid blanking plates?

A: Absolutely. The perforated vent holes allow hot air — especially air trapped near the graphics card area — to escape more efficiently than a solid plate would. This helps your case fans maintain a cleaner, more direct airflow path through the chassis.

Q: How many PCI slot covers come in the pack?

A: Each pack includes 5 × PCI slot covers, giving you enough to seal multiple unused expansion slots in a single desktop build.

Q: What material are these slot covers made from?

A: They are made from stainless steel, ensuring durability, resistance to corrosion, and a stable fit within your case chassis over the long term.