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Green-black aluminium open-air PC test bench frame with brackets and acrylic panels

ARENTI

ARENTI PC JMK5 Open Air Case Green Black 2 in 1 accessory

SKU CH-YMA0-NXMA3

An open aluminium frame supports ATX, M-ATX and ITX boards with seven PCI slots, one 3.5-inch and one 2.5-inch drive bay, and full passive heat dissipation

  • Open-air design enables full naked heat dissipation
  • Split hardware structure provides large internal installation space
  • Bare block frame allows easy assembly and stacking for DIY builds
  • Supports ATX, M-ATX, ITX motherboards with 7 PCI expansion slots
  • Aluminum construction delivers stable long-term durability

Open-Air Frame for ATX, M-ATX and ITX Builds

This aluminium open-frame chassis supports ATX, M-ATX and ITX motherboards and a standard ATX power supply. The exposed structure removes traditional panel restrictions, giving components direct airflow and a completely accessible layout for testing or showcase builds.

Assembly Flexibility and Expansion Limits

The bare-block frame is stackable and designed for quick disassembly, freeing internal volume for oversized coolers or custom loops. Expansion is limited to one 3.5-inch drive, one 2.5-inch drive and seven PCI slots, so builders needing multiple storage arrays or extra add-in cards must plan accordingly.

Included Hardware for Immediate Build-Out

The kit supplies nine brackets, three black bezels, two acrylic sheets, two hex wrenches, a positioning paper, gloves, a power cord, nuts and sixteen accessory packs plus a user manual. These parts cover mounting, basic cable routing and front-panel switch wiring without extra purchases.

Highlights

  • Open-air design enables full naked heat dissipation
  • Split hardware structure provides large internal installation space
  • Bare block frame allows easy assembly and stacking for DIY builds
  • Supports ATX, M-ATX, ITX motherboards with 7 PCI expansion slots
  • Aluminum construction delivers stable long-term durability

Specifications

No published specifications for this item yet.

Questions about this item

How much PCI-slot clearance does the JMK5 give me for a triple-slot GPU?

The frame provides seven PCI expansion slots, so a triple-slot card will fit with four slots remaining for other add-in cards.

Does the all-aluminium open frame stay cool and quiet when the system runs continuously?

The fully exposed aluminium structure relies on natural convection, so there are no fans to generate noise and the metal itself acts as a large heatsink.

Which power-supply form factor must I already have to build in this case?

The chassis is designed for a standard ATX power supply, so you need a regular ATX unit rather than SFX or TFX.

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