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Celebrate the small form factor PC with the Lian Li x DAN Case A4-H2O Mini-ITX Case. With just 11L capacity, this PC case has an incredibly small footprint but an intelligent design, maximising hardware capacity. With three expansion slots, this case can accommodate a triple slot GPU, up to 322mm long, which connects to a Mini-ITX motherboard via the included PCIe 4.0 riser cable. Every panel is removable for ease of access, with many sporting a fine mesh for excellent ventilation. Additionally, improving the design of the previous A4-SFX, this model can accommodate a 240 AiO with the radiator in a dedicated chamber. Big power in a small chassis.
The Lian Li x DAN Case A4-H2O is the ultimate celebration of the small form factor case. This Mini-ITX chassis has an incredibly small footprint, making it ideal for use as either a gaming PC or a console alternative. With its robust steel interior and sand-blasted aluminium panelling, this is a sleek case with a premium finish. At just 244mm tall and 140mm wide, this case effortlessly integrates within any gaming environment.
To maximise on hardware, the Lian Li x DAN Case A4-H2O features an intelligent sandwich layout design. Each area is specifically designed to cater for hardware that goes beyond the expectation of the Mini-ITX form factor. This chassis can hold an SFX power supply as standard or, alternatively, the mounting bracket can be removed to accommodate for an SFX-L PSU. The motherboard is mounted on the left-hand side of the middle divider, with support for the Mini-ITX format only. Behind this, there is a dedicated area that allows for triple-slot graphics cards up to 322mm long.
A truly remarkable feat, the Lian Li x DAN Case A4-H2O does all this with space for a 240mm radiator as part of an AiO cooling loop, with a CPU cooler up to 55mm tall. Under the top panel, there is a fan bracket that can be removed and replaced with a 240mm radiator, up to 55mm thick. Unlike its predecessor, the A4-SFX, this case is fully capable of water cooling your high-end hardware.
With so much going on in a small space, to make installation easier every panel on the Lian Li x DAN Case A4-H2O can be removed. This grants greater access to the interior, enabling you to manage cables and instal hardware with the greatest of ease. Additionally, the steel framework features an opening to aid in mounting longer GPUs. Upon the bottom panel, there is a mounting bracket for a 2.5” SSD, with ventilation placed beneath to prevent the hardware from overheating.
There is ample ventilation throughout the Lian Li x DAN Case A4-H2O thanks to the fine mesh featured on the side and top panels. Promoting outstanding natural airflow, this will work perfectly with the AiO cooler to keep your gaming PC at optimum temperature.
The Lian Li x DAN Case A4-H2O comes in two colours. This model is black, with the other choice being silver. What’s more, as the GPU can only be mounted vertically a PCIe riser cable is included with the case. Choose between the industry standard PCIe 3.0 or next-gen PCIe 4.0, depending on the needs of your graphics card. This model comes with the PCIe 4.0 riser cable that can be discretely tucked behind the motherboard when installing.
In a stylish recess, the I/O panel rests on the left-hand side of the Lian Li x DAN Case A4-H20. At the top is a premium-grade power button, whilst the bottom plays host to one USB 3.1 Type C, one USB 3.0 Type A, and two jacks dedicated to microphones and audio.
| Brand | Lian Li |
| Model | DAN Case A4-H2O Mini-ITX PC Case |
| Model Number | A4H2OX4 |
| Colour | Black Matte black interior |
| Riser Cable Generation | PCIe 4.0 |
| Capacity | 11L |
| Materials | Aluminium SPCC steel |
| Motherboard | Mini-ITX |
| Fan Support | Top: 2 x 120mm |
| Radiator Support | Top: 1 x 240mm 55mm maximum thickness |
| PSU Support | SFX SFX-L |
| GPU Support | Up to 322mm long Triple-slot |
| CPU Cooler Clearance | Up to 55mm tall |
| Drive Support | 1 x 2.5” SSD |
| Expansion Slots | 3 |
| I/O Panel | 1 x Power button 1 x USB 3.1 Type C 1 x USB 3.0 Type A 1 x Microphone jack 1 x HD audio jack |
| Dimensions | 326mm x 140mm x 244mm D x W x H |
| Warranty | 1 year |
| Colour | |
| Primary Colour | Black |
| Colour Finish | Matt |
| Power Supply | |
| PSU included | No |
| PSU Format | SFX-L, SFX |
| Power Supply Position | Internal |
| Expansion Slots | |
| Expansion slots / PCI slots | 3 |
| Materials | |
| Materials | Aluminium, SPCC (steel) |
| Radiator Support | |
| Max. Radiator Compatibility | 1x Dual (240 mm) |
| Motherboard Support | |
| Max. Motherboard Format | Mini-ITX |
| Compatible Motherboard Formats | Mini-ITX |
| Additional Contents | |
| Included fans | None |
| Case Features | |
| I/O position | Side |
| Riser Cable Generation | PCIe 4.0 |
| Side panel | with mesh |
| Riser Cable Included | Yes |
| Front door | No |
| Cable Management | Yes |
| Filters included | No |
| Noise dampening | No |
| Mainboard slide / tray | No |
| Remote included | No |
| Transport system | No |
| Dimensions | |
| Length / Depth | 326 mm |
| Width | 140 mm |
| Height | 244 mm |
| Weight | 2.9 kg |
| Case | |
| Case Type | Mini Case |
| Internal Dimensions | |
| Max. CPU Cooler Height | 55 mm |
| Max. GPU Length | 322 mm |
| Max. PSU Length / Depth | 322 mm |
| Inner Volume | 11 l |
| Lighting | |
| Lighting | No |
| Fan / RGB control | No |
| Drive Bays | |
| 2.5 inch internal drive bay | 1 |
| External Ports | |
| USB 3.1 (external) Type C | 1 |
| USB 3.0 (external) Type A | 1 |
| Audio outputs & inputs | 1x output + 1x input (3.5 mm jack, 3-pin, TRS) |
| Fan Support | |
| 120 mm fans | 2 |
High quality material. building in it is nice and easy with plenty of access points. Cable management can be a bit tight in areas such as near the top AIO fans but this is expected with SFF. Would recommend if you're looking for a small case with plenty of room for large GPU's
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