Lian Li A4-H2OA5 Mini-ITX PC Case, Triple-Slot Mount GPU

Lian Li A4-H2O is a compact Mini-ITX PC case with an 11-liter chassis and a aluminum exterior. It uses a sandwich layout that positions the graphics card behind the motherboard. This design allows the compact case to support triple-slot graphics cards.

The case measures 326 × 140 × 244mm and uses aluminum for the exterior with an SPCC steel interior. In addition, it supports Mini-ITX motherboards and SFX or SFX-L power supplies. The compact layout provides up to 322mm of GPU clearance.

Furthermore, the A4-H2O includes a PCIe 5.0 riser cable for vertical GPU installation. The riser supports up to 32 GT/s and remains backward compatible with earlier PCIe generations. The case provides three expansion slots for the graphics card.

For cooling, the top supports two 120mm fans or one 240mm radiator. The radiator and fans can have a combined maximum thickness of 55mm. Moreover, the CPU cooler clearance reaches up to 55mm.

The case also supports one 2.5-inch SSD. Its removable panels provide easier access for component installation and cable management. In addition, the bottom panel can be removed to simplify internal assembly.

For connectivity, the front I/O provides one USB 3.0 Type-A port, one USB 3.1 Type-C port, one microphone port, and one HD Audio port. Therefore, the A4-H2O combines a small footprint with support for modern PC components and liquid cooling.

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