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Lian Li silver (G99.A4H2OA4.00)

Photos - Computer Case Lian Li  silver
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Lian Li silver
black silver
Chassis Form Factor:Desktop
Motherboard size:mini-ITX
PSU power:no PSU
Internal bays 2.5":1
Front panel:USB A 1, USB C 1
Model A4-H20 A3 complete with PCI-E Gen.3. Model A4-H20 A4 complete with PCI-E Gen.4.
A4-H2O includes a PCI-E Gen.3 or PCI-E Gen. 4 to vertically mount the GPU and place it behind the motherboard.

The body is entirely consistent with the concept of Small Form Factor (SFF). This is the latest ultra-compact platform compatible with Mini-ITX motherboards. The chassis is ideal for accommodating the innovative 12-series Intel Core processors that lend themselves well to overclocking. For effective cooling of a powerful CPU, you should use a water block. On the top cover it will be possible to place a 240 mm liquid cooling radiator.

The Lian Li A4 H2O computer case is designed in such a way that a full-sized graphics card can be easily placed on the platform. In the case, it will be possible to mount discrete graphics up to 322 mm long. The graphics adapter is located on the back of the motherboard tray. The GPU is installed in a vertical position. The platform is completed with an adapter riser. Both PCIe 3.0 and PCIe 4.0 can be used as a riser, it all depends on the modification of the case. The chassis panels are easy to detach, completely exposing the inside of the chassis. In this case, it becomes possible to conveniently work with components and connectors. The case supports the installation of an SFX and SFX-L format power supply.

All specifications
Specifications A4-H2O Silver
Colour
Form factorDesktop
Mountvertical
Motherboard supportmini-ITX
Board placementvertical
PSU form factorSFX
Computer case
Dimensions (HxWxD)244x140x326 mm
Graphics card max lenght322 mm
Fan max height55 mm
Materialsteel
Side panelremovable
Storage
PSU
PSU mountbottom
internal 2.5" compartments1
Expansion slots3
Graphics card vertical mount
Cooling
Fans (top)2x120mm
Fan mounts total2
Liquid cooling support
Liquid cooling system
Liquid cooling (top)240mm
Liquid cooling mounts1
Connectors and functions
Placementon the side wall
USB 3.2 gen11
USB type C 3.2 gen11
Audio (microphone/headphones)
More features
Front panelsolid
Official Websitelian-li.com
Added to E-Catalogmay 2023
P/N
G99.A4H2OA4.00

The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog Lian Li 2025 - new arrivals, bestsellers, and the most relevant models Lian Li.

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Lian Li compatible A4-H2O A4 Mini-ITX Gehäuse PCIE40 Riserkabel - silber A4-H2O A4 SILVER

11L case that can mount Founders Edition 30 series VGA and 240mm AIO. Easy to install GPU via front panel access. Removable bottom cover supports SSD mounting and cable management. Removable fan bracket makes installation AIO and Radiator/fan combo at ease. In collaboration with DAN CASE.
Amazon.co.uk
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£142.92

Lian Li Lian Li A4-H2O A4 Mini-ITX Case - Silver

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 t... morehe 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.Lian Li x DAN Case A4-H2O Mini-ITX PC Case at a Glance:Small form factor Mini-ITX PC case designed with DAN CaseSPCC steel frame with mesh aluminium panellingCompatible with Mini-ITX motherboards and SFX/SFX-L power suppliesClearance for a triple slot GPU up to 322mm longIncludes a PCIe 4.0 riser cableDedicated top chamber for 240mm AiO radiator, up to 55mm thickAll panels fully removable for ease of access and installationEconomic FootprintThe 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.Sandwich LayoutTo 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.Ease of UseWith 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
Overclockers.co.uk
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£129.95

Lian Li A4-H2O Silver miniITX Steel Mesh PC Gaming Case

Scan.co.uk
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£129.98

LIANLI PCIe Compatible Small Form Factor PC Case Silver Compatible with Supports up to 322mm Triple Slot GPU Equipped with U

【Voltage Compatibility】 When using electrical appliances, please note that they are designed for Japanese voltage specifications (90-110V), so if you use them with a different voltage, it may cause a malfunction. 【Plug Type】 Our products use Japanese plug types (A or B type). Please use a conversion adapter if necessary. 【Important Note on Transf... moreormers and Adapters】 A transformer adjusts voltage to match your device’s requirements. A conversion adapter only changes the plug shape and does not adjust voltage. Using only a conversion adapter without a transformer may result in damage to the product. 【Liability】 We are not responsible for malfunctions or damages caused by improper use, such as operating the product without a transformer. Mini ITX case with sandwich layout When the front panel is removed, the front opens wide and supports up to 322mm triple-slot GPU. Front, side, top, and bottom panels are all easily removable for easy component installation and cable management 240mm size radiator can be installed 1 year warranty
Joom UK
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£264.00

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