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Compare NZXT H2 Flow vs Mars Gaming MCZ

The main differences between NZXT H2 Flow and Mars Gaming MCZ are in Internal 2.5" Drive Bays, Internal 3.5" Drive Bays, Motherboard Compatibility and Front Panel I/O.
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Brand
NZXT
Brand
Mars Gaming
Model
CI-H21FB-01
Model
MCZ
Release Date
📅 February 2026
Release Date
📅 October 2020
* 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 Tower
Type
MicroATX Mid 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
3
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 2.0 Type A, USB 3.2 Gen 1 Type A
Dimensions
263 mm x 181 mm x 435 mm
Dimensions
373 mm x 202 mm x 395 mm
Volume
21 L
Volume
-
Max VGA length allowance
331 mm
Max VGA length allowance
315 mm
Expansion Slots
3
Expansion Slots
4
Back Connect Support
No
Back Connect Support
No
-

Comparison and key differences summary

Reasons to buy the NZXT H2 Flow:

  • Newer Product, it was released around 5 years later
  • Additional VGA length allowance (+16.00mm)
  • Supports the following front panel USB ports: USB 3.2 Gen 2x2 Type C

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Reasons to buy the Mars Gaming MCZ:

  • +1 internal 2.5" bays
  • +1 internal 3.5" bays
  • +1 Expansion slots
  • Supports the following motherboard formats: Micro ATX
  • Supports the following front panel USB ports: USB 2.0 Type A
  • Much more space available (+30% total case volume)

Buy now

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