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Compare Cooler Master MasterBox Lite 3.1 vs NZXT H2 Flow

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  3. Cooler Master MasterBox Lite 3.1 🆚 NZXT H2 Flow
The main differences between Cooler Master MasterBox Lite 3.1 and NZXT H2 Flow are in Internal 2.5" Drive Bays, Internal 3.5" Drive Bays, Motherboard Compatibility and Front Panel I/O.
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Cooler Master MasterBox Lite 3.1 TG mATX Temper Glass Side Panel (MCW-L3S3-KGNN-00)
Cooler Master MasterBox Lite 3.1
NZXT H2 Flow SFF Mini-ITX Black Tempered Glass CI-H21FB-01
NZXT H2 Flow
Prices
(Change region)
Out of Stock
Free shipping
$64.99
Out of Stock
+ $2.99 Shipping
$64.99
Out of Stock
Free shipping
$214.84
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Prices
(Change region)
In Stock
Free shipping
$149.99
Out of Stock
$189.14
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Brand
Cooler Master
Brand
NZXT
Model
MCW-L3S3-KGNN-00
Model
CI-H21FB-01
Release Date
📅 November 2017
Release Date
📅 February 2026
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews
★★★★☆
(40 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
MicroATX Mid Tower
Type
Mini ITX Tower
Color
Black/Red
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
2
Internal 3.5" Drive Bays
0
Motherboard Compatibility
Micro ATX, Mini ITX
Motherboard Compatibility
Mini ITX
Front Panel I/O
USB 2.0 Type A, USB 3.2 Gen 1 Type A
Front Panel I/O
USB 3.2 Gen 1 Type A, USB 3.2 Gen 2x2 Type C
Dimensions
456 mm x 208 mm x 381 mm
Dimensions
263 mm x 181 mm x 435 mm
Volume
36 L
Volume
21 L
Max VGA length allowance
380 mm
Max VGA length allowance
331 mm
Expansion Slots
4
Expansion Slots
3
Back Connect Support
No
Back Connect Support
No
-

Comparison and key differences summary

Reasons to buy the Cooler Master MasterBox Lite 3.1:

  • 57% cheaper, you can save $85.00
  • +2 internal 3.5" bays
  • Additional VGA length allowance (+49.00mm)
  • +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 (+43% total case volume)

Buy now

Reasons to buy the NZXT H2 Flow:

  • Newer Product, it was released around 8 years later
  • +1 internal 2.5" bays
  • Supports the following front panel USB ports: USB 3.2 Gen 2x2 Type C

Buy now

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