what is the full psu clearance for the case? L*W*H

The maximum PSU length for the LIAN LI A4-H2O case is 125 mm.

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ETA Date: 1/16/2026.

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LIAN LI A4-H2O Black SPCC / Aluminum Mini-ITX Computer Case, PCI4.0 Riser Card Cable Included (A4-H2O X4)

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Options: Black / PCIE 4.0 Riser Card

Black / PCIE 4.0 Riser Card
Silver / PCIE 4.0 Riser Card

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.

🔥Don't forget your OS, we have Windows 11 OEM, Download and USB versions available

Overview

Specs

Reviews (51)

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WATER COOLING SUPPORT 240 mm (30mm thick) with 120mm x 120mm x 25mm PSU SUPPORT SFX/SFX-L MOTHERBOARD SUPPORT Mini-ITX

Model
Brand	LIAN LI
Model	A4-H2O X4

Details
Type	Mini-ITX
Color	Black
Case Material	Aluminum / Steel
With Power Supply	No
Motherboard Compatibility	Mini ITX
Side Panel	without Side Window

Expansion
Internal 2.5" Drive Bays	1
Expansion Slots	3

Front Panel Ports
Front Ports	1 x USB 3.0 Type-A, 1 x USB 3.1 Type-C, 2 x Audio,

Cooling System
Fan Options	Top - 2 x 120mm
Pre-installed Fans	No Fan Installed
Radiator Options	Top: 1 x 240mm (55mm. max total thickness with fans)

Dimensions & Weight
Max GPU Length	322 mm
Max CPU Cooler Height	55 mm
Max PSU Length	125 mm
Dimensions	12.83" x 5.51" x 9.61"

Additional Information
First Listed on Newegg	April 25, 2022

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

Limited Warranty period (parts): 1 year
Limited Warranty period (labor): 1 year
Read full details

Return Policies

Return for refund within: 30 days

Return for replacement within: 30 days

This item is covered by Newegg.com's 30-Day Return Policy.
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LIAN LI A4-H2O Black SPCC / Aluminum Mini-ITX Computer Case, PCI4.0 Riser Card Cable Included (A4-H2O X4)

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Customer Reviews of the Lian Li A4-H2O X4

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

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Manufacturer Contact Info

Item#: 2AM-000Z-00096

Backordered Items

Best Sellers

LIAN LI A4-H2O Black SPCC / Aluminum Mini-ITX Computer Case, PCI4.0 Riser Card Cable Included (A4-H2O X4)

Learn more about the Lian Li A4-H2O X4

Customer Reviews of the Lian Li A4-H2O X4

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

Return Policies

Manufacturer Contact Info