Open Air PC Case Frame For ATX MATX ITX Motherboards Aluminum Vertical Bracket Chassis Set For Water Cooled Rigs Easy Build Ultra Lightweight Modular Design Fits 20x20 Rails

Open Air PC Frame Kit for ATX MATX ITX Motherboards
✔️ Lightweight 20x20 aluminum frame with modular rails for DIY assembly

This open-air frame kit provides a modular, easy-to-assemble chassis for PC builds on 20x20 rails. It supports ATX, M-ATX, and ITX motherboards and is ideal for water-cooled rigs and showpiece builds.

✅ Size after assembly: 315x246x353 mm (12.40x9.69x13.9 in)
✅ Compatible motherboards: ATX, M-ATX, ITX (17x17 cm)
✅ Open-frame chassis for efficient heat dissipation
✅ PCI expansion slots: 7; supports standard ATX power supply
✅ Drive bays: 1x 3.5", 1x 2.5"
✅ DIY self-assembly with included hardware and manual
✅ Lightweight aluminum 20x20 profile construction

💡 What is an open-air PC frame used for in DIY builds?

These frames are handy for testing cooling setups and rapid configuration changes.

- handy for testing liquid cooling, airflow, and component layout on ATX, MATX, ITX boards - promotes excellent airflow and heat dissipation for water-cooled rigs - supports DIY customization with 20x20 aluminum rails and modular panels