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💼 Elevate your workspace with the ultimate compact gaming rig — power meets portability!
The Lian Li A4-H2O X4 BLACK is an 11-liter mini ITX aluminum case designed for high-performance compact builds. It supports full-length Founders Edition 30 series GPUs and 240mm AIO liquid cooling, featuring a tool-less front panel GPU installation and removable components for easy SSD mounting and cable management. Developed in collaboration with DAN CASE, it offers a premium, minimalist design ideal for professionals seeking a portable yet powerful PC solution.






| ASIN | B09T73JG49 |
| Antenna Location | Compact gaming systems, portable setups, and high-performance mini ITX builds |
| Best Sellers Rank | #46,184 in Computers ( See Top 100 in Computers ) #318 in Computer Cases |
| Brand | Lian Li |
| Case Type | Mini-Tower |
| Case type | Mini-Tower |
| Color | Black |
| Colour | Black |
| Compatible Devices | Computer |
| Cooling Method | Water |
| Customer Reviews | 4.6 out of 5 stars 237 Reviews |
| Enclosure Material | Aluminum |
| Fan Size | 120 Millimeters |
| 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 centimeters |
| Item Weight | 2.9 Kilograms |
| Light Color | Blue |
| Manufacturer | LIAN LI |
| Material | Aluminum |
| Mfr Part Number | A4-H2O X4 BLACK |
| Model Name | A4-H2O X4 BLACK |
| Model Number | A4-H2O X4 BLACK |
| Motherboard compatability | 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 |
| Recommended uses for product | Compact gaming systems, portable setups, and high-performance mini ITX builds |
| Supported Motherboard | Mini ITX |
| Total Expansion Slots Quantity | 3 |
| Total USB 3.0 Ports | 1 |
| Total Usb Ports | 2 |
| Unit Count | 1 Count |
| Warranty Description | 2 year manufacturer |
S**A
Perfect ITX case
I cannot tell how good The case is. Looks premium and can fit large 3080ti perfectly. I have build it with low profile air cooler as I didn’t want to use AIO. The temps are really good and u am having no issues at all. Most importantly you can fit it in a backpack. Portability is awesome.
J**H
11-Liter SFF Hall of Famer
This case is absolutely amazing, punching well above its weight class. Let's start off with what I have inside mine -- an i7 12700K and am RTX 3090 TUF, powered by a Cooler Master V850 SFX PSU. Man, does this case make it happen. The H2O is able to handle this kind of power because the CPU is liquid-cooled, and the GPU sits on the other side of this sandwich style case. The case itself is rock solid, utilizing a near tool-less snap-together design and plenty of ventilation for its size. It is larger than the previous model (Dan A4 SFX), due to the intention of this being water-cooled. I opted for an MSI CoreLiquid 240R ARGB V2, since the water block is small and offers ARGB. It tames the temps well on my 12700K. You'll need to make sure your AIO will fit in this case, as there are many that won't -- either because the pump/water block is too tall or because the hoses are too thick. You'll also want something that has hoses on swivel elbows. Otherwise, routing the hoses and closing this case will be next to impossible. This was hands-down the hardest aspect of building in this case -- managing the AIO hoses. The A4-H2O gets a lot right. You can cool some higher end CPUs, use a full length GPU, and a semi-pleasant building experience. To top it off, it looks amazing, and the parts are high quality. Just keep your hands off the case, as the finish shows off fingerprints well. This case is an excellent competitor for the NR200, because it's 8 liters smaller, and has nearly all-metal construction. To me this one is the obvious choice. Also in this form factor I would avoid i9 CPUs entirely. They eat up too much power, and make too much heat. My experience with this case has been fantastic, but it did leave me wanting more. Having a liquid-cooled, 11.24-liter PC means it's going to be a tad heavy. It's also too big to fit into my DSLR camera bag. I also think this case's width dimension would be a tight fit in a carry on-size tough case like one from Pelican. If you need a small form factor PC for saving desk space, this is an excellent option. That's the niche this serves for me, and it delivers. Maybe you can make this a portable powerhouse for more than gaming. Its too big and heavy for me. Personally, I've found my 8.1-liter KXRORS S300 case to be a better road warrior, because it fits in my DSLR bag and weighs less. Sure, that one can't be as powerful, but it games very well, albeit a little louder.
A**O
La caja perfecta, ojo con el proveedor. Amazon excepcional como siempre
La cajita una pasada, un poco cara pero se paga el premium de marca y tamaño. La tuve que devolver porque la caja necesita estar ubicada en un espacio abierto (normal, nada especial) y en mi caso particular la quería para tener un ordenador potente pero pequeño en la tele del comedor, ubicada en un espacio cerrado, con lo cual la ventilación era nula y los componentes se me calentaban al ponerme a jugar a pesar de la refrigeración líquida. La tuve que devolver la caja para comprar otra con entrada de aire/ventiladores en el frontal tras 2 semanas probando mil cosas porque no había manera de contener las temperaturas y desgraciadamente el embalaje original fue tirado por error ya que siempre me guardo todo religiosamente durante 1 mes. El vendedor (tercero) me abonó poco más de la mitad del importe sólo por esto a pesar de devolver el producto de manera impoluta, pero Amazon, como siempre, arregló la situación tras reclamar. Así da gusto.
R**N
Geniales Mini-ITX-Gehäuse – Edle Optik und durchdachter Einbau!
Wer auf der Suche nach einem kompakten, aber extrem leistungsstarken Small-Form-Factor-System (SFF) ist, kommt an diesem Gehäuse kaum vorbei. Das LIAN LI A4-H2O hat mich auf ganzer Linie überzeugt. Design & Optik: Das Zusammenspiel aus schwarzem SPCC-Stahl und gebürstetem Aluminium sieht absolut hochwertig und edel aus. Es ist minimalistisch, zeitlos und macht auf jedem Schreibtisch eine verdammt gute Figur. Die Verarbeitung ist, wie von Lian Li gewohnt, erstklassig. Einbau & Bestückung: Trotz des extrem geringen Volumens (ca. 11 Liter) lässt sich das Gehäuse super bestücken. Das clevere Drei-Kammer-Layout sorgt dafür, dass man die Komponenten logisch und ohne Frust unterbringt. Das Gehäuse lässt sich von fast allen Seiten öffnen (Paneele sind gesteckt), was den Zugang beim Schrauben massiv erleichtert. Der Einbau einer 240mm-All-in-One-Wasserkühlung (AIO) für die CPU geht reibungslos vonstatten. Dank des mitgelieferten PCIe 4.0 Riser-Kabels findet selbst eine große Triple-Slot-Grafikkarte problemlos auf der Rückseite Platz. Fazit: Außen kompakt und edel, innen ein echtes Raumwunder. Der Hardware-Einbau macht trotz des engen Raums richtig Spaß. Eine absolute Kaufempfehlung für jeden ITX-Enthusiasten!
D**.
Tiene unos hacks
Honestamente estaba aferrado a algo como el fractal design ridge pero como no llega a México me decidí por este y honesta mente es muy bueno considerando que puedes meterle más de 1 ssd no lo dice oficialmente pero donde montas una ssd puedes puedes poner una bahía de 2 y así tienes 1 ssd mas también donde está el orificio para hacer espacio a la grafica puedes insertarlas maximo 2 con presión de nuevo nada de esto es oficial pero es otra manera de hacer todo el espacio eficiente y en se tener más almacenamiento, espero les haya servido (no es mío oficialmente es de un yutubero ingles)
Trustpilot
3 days ago
3 weeks ago