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A4-H2O

The A4-H2O is an 11-liter small form factor case, a collaboration project with DAN Cases. Based on the original DAN A4-SFX case sandwich layout concept, the A4-H2O continues the minimalist and compact form factor with improved hardware compatibility (including AIO water cooling) and simplifies installation.

A4-H20
A TRIBUTE TO SFF
The A4-H2O is an 11-liter small form factor case, a collaboration project with DAN Cases. Based on the original DAN A4-SFX case sandwich layout concept, the A4-H2O continues the minimalist and compact form factor with improved hardware compatibility (including AIO water cooling) and simplifies installation.

A4-H20
A TRIBUTE TO SFF
The A4-H2O is an 11-liter small form factor case, a collaboration project with DAN Cases. Based on the original DAN A4-SFX case sandwich layout concept, the A4-H2O continues the minimalist and compact form factor with improved hardware compatibility (including AIO water cooling) and simplifies installation.

A4-H20

A TRIBUTE TO SFF

The A4-H2O is an 11-liter small form factor case, a collaboration project with DAN Cases. Based on the original DAN A4-SFX case sandwich layout concept, the A4-H2O continues the minimalist and compact form factor with improved hardware compatibility (including AIO water cooling) and simplifies installation.

11-Liter SFX

MINIMALIST
DESIGN

SANDWICH
LAYOUT

240 AIO
COMPATIBLE

SFX, SFX-L
COMPATIBLE

REMOVABLE
BOTTOM PANEL

TRIPLE SLOT
GPU

PCIE 3.0 or 4.0

11-Liter Form Factor

At only 11 liters, the A4-H2O is one of the smallest cases on the market that supports triple-slot GPU and clearance for 240 AIO water cooling.

SIZE COMPARISION

The A4-H20 is smaller in size than most consoles, and the minimalist design suits any living space or any entertainment center to enjoy games or movies.

A4-H20

(D) 326mm x (W) 140mm x (H) 244mm

PlayStation 5

(D) 260mm x (W) 104mm x (H) 390mm

Minimalist Design –
Black or Silver

A minimalist design, the A4-H2O has premium aluminum exterior with ventilation from almost most sides. The A4-H2O is available in black or silver.

For
Living
Space

Minimalist black or silver design of the A4-H20 feels right at home in any living space. The small 11-liter volume is small enough to feel like it’s not even there.

For
Desktop

Small footprint of the A4-H20 fits on any desktop without taking up too much space for you to keep your space clean and spacious to game or work.

Sandwich Layout Design

The sandwich layout allows for a triple-slot GPU to fit into the compact size case. Matched with a PCIe Gen. 3 or Gen. 4 riser cable, the GPU is located behind the motherboard and leaves room for a 240mm radiator at the top of the case. Bottom, side, and top mesh panels ensure that the components get cooled directly with fresh air intake.

Easy AIO
Installation

A removable bracket at the top makes the installation of radiators up to 240mm in length much easier. The top compartment accommodates a fan radiator combo of up to 55mm in thickness.

Supports SFX,
SFX-L Power Supply

A removable mounting bracket is designed to support SFX and SFX-L power supplies. A power cord extension is also included and pre-routed to avoid interfering with other hardware.

Sandwich Layout Design

The sandwich layout allows for a triple-slot GPU to fit into the compact size case. Matched with a PCIe Gen. 3 or Gen. 4 riser cable, the GPU is located behind the motherboard and leaves room for a 240mm radiator at the top of the case. Bottom, side, and top mesh panels ensure that the components get cooled directly with fresh air intake.

Easy AIO
Installation

A removable bracket at the top makes the installation of radiators up to 240mm in length much easier. The top compartment accommodates a fan radiator combo of up to 55mm in thickness.

Supports SFX,
SFX-L Power Supply

A removable mounting bracket is designed to support SFX and SFX-L power supplies. A power cord extension is also included and pre-routed to avoid interfering with other hardware.

Fully Removable Panels

Front, side, top and bottom panels can all be removed easily to provide easier access for installation and/or cable management.

Well
Ventilated

Aside from the front panel, the top, sides and back of the A4-H2O are well ventilated with fine mesh which allows fresh air intake to enter the case.

PCIe-3.0
and PCIe 4.0

The A4-H2O includes a PCIe Gen.3 or PCIe Gen. 4 riser cable, to vertically mount the GPU and place it behind the motherboard. The PCIe 4.0 riser cable supports transfer rate of 16GT/s (double the speed of PCIe 3.0). PCIe Gen.4 riser cables are backwards compatible with PCIe Gen 3.

PCIe-3.0
and PCIe 4.0

The A4-H2O includes a PCIe Gen.3 or PCIe Gen. 4 riser cable, to vertically mount the GPU and place it behind the motherboard. The PCIe 4.0 riser cable supports transfer rate of 16GT/s (double the speed of PCIe 3.0). PCIe Gen.4 riser cables are backwards compatible with PCIe Gen 3.

IO and Power

Located on the left side of the case inside a recessed cutout, the front IO includes a USB 3.1 Type-C (internal Key-A) port, a Mic port, an HD-Audio port, and a USB 3.0 Type-A port (internal 19pin). At the top of the recess is a premium-grade power button.

IO and Power

Located on the left side of the case inside a recessed cutout, the front IO includes a USB 3.1 Type-C (internal Key-A) port, a Mic port, an HD-Audio port, and a USB 3.0 Type-A port (internal 19pin). At the top of the recess is a premium-grade power button.

Triple-slot GPU Compatible

Removing the front panel provides a wide opening at the front to insert larger graphics card into the case with ease. The spacious interior supports a triple-slot graphics card of up to 322mm.

Optimized airflow for 2 slots GPUs

The extra standoffs helps pushing a two slot GPU toward the side panel in order to exhaust or intake fresh air directly out of the chassis.

Optimized airflow for 2 slots GPUs

The extra standoffs helps pushing a two slot GPU toward the side panel in order to exhaust or intake fresh air directly out of the chassis.

Removable Bottom Panel –
Cable Management & Storage

The removable bottom panel provides additional access to the inside of the case and makes for easier cable management. A 2.5” SSD drive can also be attached onto the bottom panel.

Removable Bottom Panel –
Cable Management & Storage

The removable bottom panel provides additional access to the inside of the case and makes for easier cable management. A 2.5” SSD drive can also be attached onto the bottom panel.

A Dan Cases
Collaboration

The A4-H2O, is an update to the popular DAN A4-SFX case with added water cooling support. This is a special collaboration with Daniel Hansen from Dan Cases. The A4-H2O is manufactured and sold by LIAN LI.

SPECIFICATIONS

PRODUCT NAMEA4-H2O
MODEL

A4-H20 X3

BLACK

A4-H20 X4

BLACK

A4-H20 A3

SILVER

A4-H20 A4

SILVER

COLORAnodized Black Exterior
Matte Black Interior
Silver Exterior
Matte Black Interior
RISER CABLE GENERATIONPCIe 3.0PCIe 4.0PCIe 3.0PCIe 4.0
DIMENSION(D) 326mm x (W) 140mm x (H) 244mm
CAPACITY11L
MATERIALSAluminum Exterior
SPCC Steel Interior
MOTHERBOARD SUPPORTMini-ITX
FAN SUPPORTTop:2x 120mm
RADIATOR SUPPORTTop:1x 240mm (55mm. max total thickness with fans)
PSU SUPPORTSFX, SFX-L
GPU LENGTH CLEARANCEMax 322mm
CPU COOLER CLEARANCEMax 55mm
DRIVE Support1x 2.5” SSD
EXPANSION SLOT3
I/O PORTS1x USB 3.0 TYPE-A, 1x USB 3.1 TYPE-C, 1x Mic, 1x HD Audio.
WARRANTY1 year

SPECIFICATIONS

PRODUCT NAME
A4-H2O
MODEL
A4-H20 X3A4-H20 X4A4-H20 A3A4-H20 A4
COLOR
Anodized Black Exterior
Matte Black Interior
Silver Exterior
Matte Black Interior
RISER CABLE GENERATION
PCIe 3.0PCIe 4.0PCIe 3.0PCIe 4.0
DIMENSION
(D) 326mm x (W) 140mm x (H) 244mm
CAPACITY
11L
MATERIALS
Aluminum Exterior
SPCC Steel Interior
MOTHERBOARD SUPPORT
Mini-ITX
FAN SUPPORT
Top:2x 120mm
RADIATOR SUPPORT
Top:1x 240mm (55mm. max total thickness with fans)
PSU SUPPORT
SFX, SFX-L
GPU LENGTH CLEARANCE
Max 322mm
CPU COOLER CLEARANCE
Max 55mm
DRIVE Support
1x 2.5” SSD
EXPANSION SLOT
3
I/O PORTS
1x USB 3.0 TYPE-A, 1x USB 3.1 TYPE-C, 1x Mic, 1x HD Audio.
WARRANTY
1 year