Lian Li DAN A4 H2O PCIe 5.0 Black Mini ITX Tower Gaming Case
7800 EGP
- Part Number: G99.A4H2OX5.00
- Form Factor: 11L Mini-ITX SFF | Aluminum Exterior | Sandwich Layout Design
- Compatibility: Supports Triple-Slot GPU (up to 322mm) | 240mm AIO Radiator Support | SFX/SFX-L PSU
- Features: Included PCIe 5.0 Riser Cable | Fully Removable Panels | Optimized Mesh Ventilation
- Warranty: 1 Year
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Lian Li DAN A4 H2O PCIe 5.0 Mini ITX Case
The Lian Li DAN A4 H2O is an 11-liter small form factor case, a collaboration project with DAN Cases. Based on the original DAN A4-SFX sandwich layout concept, it continues the minimalist and compact form factor with improved hardware compatibility — including triple-slot GPU support, 240mm AIO water cooling, and a PCIe 5.0 riser cable. The premium aluminum exterior is available in black or silver, making it the perfect SFF case for any living space or desktop.
PCIe 5.0 Riser
Triple-Slot GPU
240mm AIO
Aluminum Exterior
Product Gallery
Key Features
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.
Triple-Slot GPU + 240mm AIO
Supports triple-slot GPUs up to 322mm and 240mm AIO coolers with up to 55mm total thickness. The removable top bracket makes installation easy.
Premium Aluminum Exterior
Available in black or silver with a minimalist design. The premium aluminum exterior with ventilation on most sides creates a sophisticated look for any living space.
Modern Front I/O
Includes USB 3.1 Type-C, USB 3.0 Type-A, HD Audio, and Mic ports in a recessed cutout. Premium-grade power button completes the clean front panel.
Technical Specifications
Is the A4 H2O Right For You?
✓ Best For
- Ultra-compact 11-liter SFF builds with high-end components
- Users wanting triple-slot GPU support in minimal space
- 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 GPU sizes fit in the A4 H2O?
The A4 H2O supports triple-slot GPUs up to 322mm in length. The sandwich layout design allows the GPU to sit behind the motherboard using the included PCIe 5.0 riser cable.
Does the A4 H2O include a PCIe riser cable?
Yes. The A4 H2O 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?
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 support?
The A4 H2O supports SFX and SFX-L power supplies with a removable mounting bracket for easy installation.
Is the A4 H2O available in other colors?
Yes. The A4 H2O is available in Black (A4H2OX5) and Silver (A4H2OA5). Both feature a minimalist aluminum exterior with a matte black interior.
What’s In The Box
| MODEL | |
|---|---|
| CASE SIZE | |
| PANEL | |
| Motherboard Type | |
| FANS INCLUDED | |
| Expansion Slots | |
| Fan Support | |
| Radiator Support | |
| GPU Length | |
| CPU Height | |
| PSU SUPPORT | |
| Pre-installed PSU | |
| I/O Ports | |
| 3.5“ Drive Bays | |
| 2.5 Drive Bays | |
| Color | |
| Part Number | |
| Warranty |
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