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Compare Lian Li A4-H20 X3 vs O11D MINI V2

Lian Li A4-H20 X3 and LIAN LI O11D MINI V2 are both cases with the same Front Panel I/O (USB 3.2 Gen 1 Type A, USB 3.2 Gen 2 Type C). The main differences are in Internal 2.5" Drive Bays, Internal 3.5" Drive Bays, Motherboard Compatibility and Dimensions.
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$89.99
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Brand
Lian Li
Brand
Lian Li
Model
  • A4-H20 X3
  • A4-H20 X3 Black
  • A4-H2O X3
  • A4-H2O X3 Black
Model
O11DMIV2X
Release Date
-
Release Date
📅 August 2025
* 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
Mini ITX Desktop
Type
ATX 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
0
Internal 3.5" Drive Bays
2
Motherboard Compatibility
Mini ITX
Motherboard Compatibility
ATX, Micro ATX, Mini ITX
Front Panel I/O
USB 3.2 Gen 1 Type A, USB 3.2 Gen 2 Type C
Front Panel I/O
USB 3.2 Gen 1 Type A, USB 3.2 Gen 2 Type C
Dimensions
326 mm x 140 mm x 244 mm
Dimensions
423.6 mm x 273.3 mm x 391.95 mm
Volume
11 L
Volume
45 L
Max VGA length allowance
322 mm
Max VGA length allowance
400 mm
Expansion Slots
3
Expansion Slots
5
Back Connect Support
No
Back Connect Support
Yes

Comparison and key differences summary

Reasons to buy the Lian Li A4-H20 X3:

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Reasons to buy the LIAN LI O11D MINI V2:

  • Supports back-connect
  • +1 internal 2.5" bays
  • +2 internal 3.5" bays
  • Additional VGA length allowance (+78.00mm)
  • +2 Expansion slots
  • Supports the following motherboard formats: ATX, Micro ATX
  • Hugely more space available (+75% total case volume)

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