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Compare NZXT H2 Flow vs Cooler Master N400 NSE-400-KKN2

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  3. NZXT H2 Flow 🆚 Cooler Master N400 NSE-400-KKN2
The main differences between NZXT H2 Flow and Cooler Master N400 NSE-400-KKN2 are in External 5.25" Drive Bays, External 3.5" Drive Bays, Internal 2.5" Drive Bays and Internal 3.5" Drive Bays.
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NZXT H2 Flow SFF Mini-ITX Black Tempered Glass CI-H21FB-01
NZXT H2 Flow
Cooler Master N400 NSE-400-KKN2 Mid-Tower
Cooler Master N400 NSE-400-KKN2
Prices
(Change region)
In Stock
Free shipping
$149.99
Out of Stock
$189.14
Prices
(Change region)
Out of Stock
Free shipping
$79.99
Out of Stock
Free shipping
$83.50
Out of Stock
$89.99
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Brand
NZXT
Brand
Cooler Master
Model
CI-H21FB-01
Model
NSE-400-KKN2
Release Date
📅 February 2026
Release Date
-
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews
User reviews
Price history
View Details ►
Price history
View Details ►
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
ATX 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
2
External 3.5" Drive Bays
0
External 3.5" Drive Bays
1
Internal 2.5" Drive Bays
2
Internal 2.5" Drive Bays
3
Internal 3.5" Drive Bays
0
Internal 3.5" Drive Bays
7
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 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
190 mm x 426 mm x 491 mm
Volume
21 L
Volume
40 L
Max VGA length allowance
331 mm
Max VGA length allowance
320 mm
Expansion Slots
3
Expansion Slots
7
Back Connect Support
No
Back Connect Support
No
-

Comparison and key differences summary

Reasons to buy the NZXT H2 Flow:

  • Additional VGA length allowance (+11.00mm)
  • Supports the following front panel USB ports: USB 3.2 Gen 2x2 Type C

Buy now

Reasons to buy the Cooler Master N400 NSE-400-KKN2:

  • 47% cheaper, you can save $70.00
  • +2 external 5.25" bays
  • +1 external 3.5" bays
  • +1 internal 2.5" bays
  • +7 internal 3.5" bays
  • +4 Expansion slots
  • Supports the following motherboard formats: ATX, Micro ATX
  • Supports the following front panel USB ports: USB 2.0 Type A
  • Much more space available (+48% total case volume)

Buy now

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