Lian Li DAN A4 H2O Silver PCIe 5.0 Mini ITX Case
The Lian Li DAN A4 H2O Silver is an 11-liter small form factor case, a collaboration project with DAN Cases. Featuring a premium silver aluminum exterior, the minimalist design continues the original DAN A4-SFX sandwich layout concept with improved hardware compatibility — including triple-slot GPU support, 240mm AIO water cooling, and a PCIe 5.0 riser cable.
PCIe 5.0 Riser
Triple-Slot GPU
240mm AIO
Silver Exterior
Product Gallery
Key Features
✨ Premium Silver Aluminum Exterior
The A4-H2O features a premium silver aluminum exterior with ventilation on most sides. The minimalist design suits any living space or entertainment center, available in silver for a refined modern aesthetic.
📐 11-Liter SFX Form Factor
At only 11 liters, the A4-H2O is one of the smallest cases on the market that supports triple-slot GPUs and 240mm AIO water cooling. Perfect for ultra-compact builds without compromising performance.
🔌 PCIe 5.0 Riser Cable
Includes a PCIe 5.0 riser cable that supports up to 32 GT/s, vertically mounting the GPU behind the motherboard. Backward compatible with earlier PCIe generations.
🏗️ Sandwich Layout Design
The sandwich layout allows a triple-slot GPU to fit into the compact case. The GPU sits behind the motherboard, leaving room for a 240mm radiator at the top with cooling mesh panels on all sides.
🎮 Triple-Slot GPU Compatible
Removing the front panel provides a wide opening for easy GPU installation. Supports triple-slot graphics cards up to 322mm with extra standoffs for optimized 2-slot GPU airflow.
Technical Specifications
Is the A4 H2O Silver Right For You?
✓ Best For
- Ultra-compact 11-liter SFF builds with high-end components
- Users wanting a premium silver aesthetic for their build
- Builders who prefer 240mm AIO water cooling
- Living room entertainment center PC setups
- Clean minimalist desktop aesthetics
Consider Alternatives If
- You need multiple storage drives (only 1× 2.5″ SSD)
- You prefer air cooling (55mm CPU cooler limit)
- You require ATX motherboards (Mini-ITX only)
- You want a larger PSU (SFX-L only)
Common Questions
What is the difference between the Silver and Black A4 H2O?
The Silver version features a premium silver aluminum exterior with a matte black interior, while the Black version has an anodized black exterior. Both feature the same 11-liter compact design and hardware compatibility.
Does the A4 H2O Silver include a PCIe riser cable?
Yes. The A4 H2O Silver includes a PCIe 5.0 riser cable that supports up to 32 GT/s. It is also backward compatible with PCIe 4.0, 3.0, and earlier generations.
Can I use a 240mm AIO in the A4 H2O Silver?
Yes. The top compartment supports 240mm radiators with up to 55mm total thickness (fan + radiator). A removable bracket makes installation easy.
What power supplies does the A4 H2O Silver support?
The A4 H2O supports SFX and SFX-L power supplies with a removable mounting bracket for easy installation.





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