Lian Li A4-H2O
Best compact chassis for enthusiasts building high performance small form factor PCs.
This is the gold standard for anyone who wants a high-end gaming rig without dominating their desk. It manages to squeeze a full-sized, triple-slot GPU and liquid cooling into an impossibly small footprint, though you will need to be meticulous with your cable management during the build.
$149.99
at
Central Computers
More A4-H2O options
Who it's for
- Small form factor enthusiasts seeking high performance in compact spaces
- Design-conscious users who value high-end materials and minimalist aesthetics
- Power users needing reliable cooling for demanding gaming or productivity
Who should skip it
- First-time builders who prefer spacious interiors for easier cable organization
- Builders wanting to reuse standard-sized components from previous desktop builds
- Content creators requiring multiple high-capacity internal SATA drives
Performance breakdown
Thermal Efficiency
Smart layout allows surprisingly cool operation for such a compact footprint.
Hardware Compatibility
Easily accommodates full-sized triple-slot GPUs and robust liquid cooling solutions.
Build Quality
Premium aluminum construction feels sturdy, refined, and built to last.
Assembly Experience
Tight tolerances make cable management challenging but rewarding for experienced builders.
Space Efficiency
Maximizes every millimeter of its 11-liter volume for high-end performance.
Aesthetic Appeal
Minimalist silver finish offers a sophisticated look for any modern desk.
Key Specs
Case Form Factor
Small Form Factor
Motherboard Compatibility
Mini-ITX
Material
Aluminum, Steel
PSU Form Factor
SFX, SFX-L
Maximum GPU Length
322mm
Maximum CPU Cooler Height
55mm
2.5-inch Drive Bays
1
3.5-inch Drive Bays
0
Expansion Slots
3
Front USB 3.0 Ports
1
Know before you buy
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Ask Metto anything about the Lian Li A4-H2O before you decide.