






🔥 Compact power, liquid cooled, and GPU ready — the ultimate mini-ITX flex! 💻
The Lian Li A4-H2O X4 is a premium 11L Mini-ITX case engineered for high-performance small form factor builds. It supports triple-slot GPUs up to 322mm with a PCIe 4.0 riser, features a dedicated top chamber for 240mm liquid cooling radiators, and offers full mesh removable panels for superior airflow. Crafted from aluminum and steel, it includes modern I/O ports like USB-C, making it a top choice for gamers and professionals seeking compact power and style.













| ASIN | B09T73JG49 |
| Antenna Location | Gaming |
| Best Sellers Rank | 64,361 in Computers & Accessories ( See Top 100 in Computers & Accessories ) 615 in Computer Cases |
| Brand | Lian Li |
| Brand Name | Lian Li |
| Case Type | Mini-Tower |
| Case type | Mini-Tower |
| Colour | Black |
| Compatible Devices | Mini-ITX |
| Cooling Method | Water |
| Country of Origin | Taiwan |
| Customer Reviews | 4.6 out of 5 stars 395 Reviews |
| Enclosure Material | Aluminium |
| Fan Size | 240 Millimetres |
| Global Trade Identification Number | 04718466011497 |
| Hard Disk Form Factor | 2.5 Inches |
| Internal Bays Quantity | 1 |
| Item Dimensions D x W x H | 32.6D x 14W x 24.4H centimetres |
| Item Weight | 2.9 Kilograms |
| Item height | 12 inches |
| Light Color | Blue |
| Manufacturer | LIAN LI |
| Material | Aluminium |
| Model Name | A4 H2O |
| Motherboard compatibility | Mini ITX |
| Number of Fans | 2 |
| Other Special Features of the Product | Sandwich Design Layout, AIO Water Cooling Support, DAN Collaboration Case |
| Power Supply Maximum Output | 600 Watts |
| Power Supply Mounting Type | Bottom Mount |
| Product Warranty | 2 year manufacturer |
| Recommended uses for product | Gaming |
| Supported Motherboard | Mini ITX |
| Total Expansion Slots Quantity | 3 |
| Total USB 3.0 Ports | 1 |
| Total USB Ports | 2 |
K**N
A little bit discrepancy regarding the gpu tall
It's not quite straight, the pci slot in the case allows the gpu to be a little uneven compared to the slots on the side of the case.
Trustpilot
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