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Compare NZXT H2 Flow vs Lian Li A3-mATX

NZXT H2 Flow and Lian Li A3-mATX are both cases with the same Internal 2.5" Drive Bays (2). The main differences are in Internal 3.5" Drive Bays, Motherboard Compatibility, Front Panel I/O and Dimensions.

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NZXT H2 Flow

Lian Li A3-mATX

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$67.99 (~~$72.99~~)

$5.00 promotional gift card w/ purchase, limited offer

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Last updated 17 minutes ago.

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Brand

NZXT

Brand

Lian Li

Model

CI-H21FB-01

Model

A3-mATX-X

Release Date

📅 February 2026

Release Date

📅 May 2024

* First availability for purchase, it may not correspond to the actual market launch date.

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Price history

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Compatible PC parts

Motherboards ► Graphics Cards ► Power Supplies ► CPU Coolers ►

Compatible PC parts

Motherboards ► Graphics Cards ► Power Supplies ► CPU Coolers ►

Type

Mini ITX Tower

Type

MicroATX Mini Tower

Color

Black

Color

Black

Includes Power Supply

No

Includes Power Supply

No

External 5.25" Drive Bays

0

External 5.25" Drive Bays

0

External 3.5" Drive Bays

0

External 3.5" Drive Bays

0

Internal 2.5" Drive Bays

2

Internal 2.5" Drive Bays

2

Internal 3.5" Drive Bays

0

Internal 3.5" Drive Bays

1

Motherboard Compatibility

Mini ITX

Motherboard Compatibility

Micro ATX, Mini ITX

Front Panel I/O

USB 3.2 Gen 1 Type A, USB 3.2 Gen 2x2 Type C

Front Panel I/O

USB 3.2 Gen 1 Type A, USB 3.2 Gen 2 Type C

Dimensions

263 mm x 181 mm x 435 mm

Dimensions

443 mm x 194 mm x 306 mm

Volume

21 L

Volume

26 L

Max VGA length allowance

331 mm

Max VGA length allowance

415 mm

Expansion Slots

3

Expansion Slots

4

Back Connect Support

No

Back Connect Support

No

-

Options (1)

Lian Li A3-mATX White

A3-mATX White
$72.99

Comparison and key differences summary

Reasons to buy the NZXT H2 Flow:

Newer Product, it was released around 21 months later
Supports the following front panel USB ports: USB 3.2 Gen 2x2 Type C

Reasons to buy the Lian Li A3-mATX:

55% cheaper, you can save $82.00
+1 internal 3.5" bays
Additional VGA length allowance (+84.00mm)
+1 Expansion slots
Supports the following motherboard formats: Micro ATX
Supports the following front panel USB ports: USB 3.2 Gen 2 Type C
Moderately more space available (+21% total case volume)

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