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Silver Mini-ITX case with aluminum panels and perforated sides

Lian Li

Lian Li A4-H2OA5 Mini-ITX PC Case Silver

SKU CH-V20P-7ZGX4 MPN A4-H2OA5

An 11-liter Mini-ITX case with a sandwich layout that fits a triple-slot GPU up to 322 mm, a 240 mm radiator, and an SFX or SFX-L power supply

  • TypeMini-ITX
  • ColorSilver
  • Motherboard CompatibilityMini-ITX
  • Dust FiltersRemovable bottom dust tray x 1
  • Front PortsPower Button x1 USB 3.1 Type C x1 Mic x1 HD Audio x1 USB 3.0
  • Fan OptionsTop: 120mm x 2

Color Silver

  • 11-liter volume fits triple-slot GPU and 240 mm AIO
  • PCIe 5.0 riser cable enables sandwich GPU mounting
  • Aluminum exterior with near-all-side ventilation
  • Removable bottom dust tray simplifies cleaning
  • Front I/O includes USB 3.1 Type-C and USB 3.0 Type-A

Compact 11-Litre Mini-ITX Chassis

The Lian Li A4-H2OA5 is an 11-litre sandwich-layout case built for Mini-ITX motherboards. It fits a triple-slot graphics card up to 322 mm long behind the board using an included PCIe 5.0 riser cable. The design targets builders who want high-end components in a volume smaller than most consoles. It is not suited for users who need full-size ATX boards or multiple expansion cards.

Top 240 mm Radiator Support

Two 120 mm fan mounts on the top panel accept a 240 mm radiator with a maximum combined thickness of 55 mm including fans. The aluminium exterior and SPCC steel interior provide ventilation on most sides while keeping the footprint minimal. A removable bottom dust tray simplifies cleaning. CPU cooler height is limited to 55 mm, so tower coolers cannot be used.

Sustained Load Thermal Behaviour

Under continuous load the 240 mm AIO can exhaust heat directly through the top panel, aided by the open sandwich layout that separates the GPU chamber from the motherboard. The 55 mm total radiator-plus-fan limit constrains radiator thickness, which may affect coolant temperatures during extended sessions. The SFX or SFX-L power supply sits adjacent to the GPU, so cable routing and airflow around the PSU become critical for stable operation.

Fordele

  • 11-liter volume fits triple-slot GPU and 240 mm AIO
  • PCIe 5.0 riser cable enables sandwich GPU mounting
  • Aluminum exterior with near-all-side ventilation
  • Removable bottom dust tray simplifies cleaning
  • Front I/O includes USB 3.1 Type-C and USB 3.0 Type-A

Specifikationer

SeriesA4
ModelA4-H2OA5
TypeMini-ITX
ColorSilver
Motherboard CompatibilityMini-ITX
Dust FiltersRemovable bottom dust tray x 1
Front PortsPower Button x1
USB 3.1 Type C x1
Mic x1
HD Audio x1
USB 3.0 Type A x1
Fan OptionsTop: 120mm x 2
Radiator OptionsTop: 240mm (55mm max total thickness with fans)
Max GPU Length322 mm
Max CPU Cooler Height55 mm
Forsendelsesvægt3.45 kg
Pakkestørrelse387 × 305 × 193 mm

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Spørgsmål om denne vare

How do I install the PCIe 5.0 riser cable in the sandwich layout without bending it too sharply?

Route the PCIe 5.0 riser cable behind the motherboard tray first, then connect it to the GPU slot before securing the triple-slot graphics card; the tight 11-liter volume leaves little slack, so avoid kinking the cable during the final GPU mount.

What maintenance will the removable bottom dust tray need over time?

Slide out the bottom dust tray every few months, rinse or vacuum the mesh, and reinstall it; the tray is the only filter, so keeping it clean maintains airflow to the SFX power supply and GPU intake.

What thermal limit appears first when running a 240 mm radiator with two 120 mm fans under sustained load?

The 55 mm maximum total thickness for radiator plus fans caps cooling capacity; exceeding it prevents the top panel from closing, so the thickness limit is reached before fan speed or radiator surface area becomes the bottleneck.

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