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Compare NZXT H3 Flow vs Lian Li A3-mATX

NZXT H3 Flow and Lian Li A3-mATX are both cases with the same Internal 3.5" Drive Bays (1), Motherboard Compatibility (Micro ATX, Mini ITX) and Expansion Slots (4). The main differences are in Internal 2.5" Drive Bays, Front Panel I/O, Dimensions and Volume.
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In Stock
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$54.99 ($59.99)
$5.00 off w/ promo code: DTA234, ends 6/26
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$59.99
Last updated 51 minutes ago.
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Out of Stock
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$67.99 ($72.99)
$5.00 off w/ promo code: SDSSF72, ends 6/21
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$72.99
Last updated 50 minutes ago.
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Brand
NZXT
Brand
Lian Li
Model
  • CC-H31FB-01
  • CC-H31FB-02
Model
A3-mATX-X
Release Date
📅 May 2025
Release Date
📅 May 2024
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews
User reviews
Price history
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Price history
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Compatible PC parts
Compatible PC parts
Type
MicroATX Mid 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
1
Internal 2.5" Drive Bays
2
Internal 3.5" Drive Bays
1
Internal 3.5" Drive Bays
1
Motherboard Compatibility
Micro ATX, 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
389 mm x 225 mm x 400 mm
Dimensions
443 mm x 194 mm x 306 mm
Volume
35 L
Volume
26 L
Max VGA length allowance
317 mm
Max VGA length allowance
415 mm
Max VGA length allowance (w/o HDD cage)
377 mm
Max VGA length allowance (w/o HDD cage)
-
Expansion Slots
4
Expansion Slots
4
Back Connect Support
Yes
Back Connect Support
No

Comparison and key differences summary

Reasons to buy the NZXT H3 Flow:

  • 19% cheaper, you can save $13.00
  • Newer Product, it was released around 12 months later
  • Supports back-connect
  • Supports the following front panel USB ports: USB 3.2 Gen 2x2 Type C
  • Moderately more space available (+25% total case volume)

Buy now

Reasons to buy the Lian Li A3-mATX:

  • +1 internal 2.5" bays
  • Additional VGA length allowance (+98.00mm)
  • Supports the following front panel USB ports: USB 3.2 Gen 2 Type C

Buy now

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