NZXT H2 Flow vs COUGAR Gemini T Pro Case Comparison

The main differences between NZXT H2 Flow and COUGAR Gemini T Pro are in Internal 2.5" Drive Bays, Internal 3.5" Drive Bays, Motherboard Compatibility and Front Panel I/O.

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NZXT H2 Flow	COUGAR Gemini T Pro
Prices (Change region) In Stock Free shipping $149.99 Out of Stock $189.14	Prices (Change region) Out of Stock + $0.99 Shipping $164.99 Out of Stock Free shipping $252.99
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Brand NZXT	Brand COUGAR
Model CI-H21FB-01	Model CGR-GEMINI-T-PRO 106KMT0008-00
Release Date 📅 February 2026	Release Date -
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews Add a product review	User reviews Add a product review
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 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 2
Motherboard Compatibility Mini ITX	Motherboard Compatibility ATX, Micro ATX, Mini ITX, SSI CEB
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 2 Type C
Dimensions 263 mm x 181 mm x 435 mm	Dimensions 527 mm x 227 mm x 535 mm
Volume 21 L	Volume 64 L
Max VGA length allowance 331 mm	Max VGA length allowance 400 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:

9% cheaper, you can save $15.00
Supports the following front panel USB ports: USB 3.2 Gen 1 Type A, USB 3.2 Gen 2x2 Type C

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Reasons to buy the COUGAR Gemini T Pro:

+1 internal 2.5" bays
+2 internal 3.5" bays
Additional VGA length allowance (+69.00mm)
+4 Expansion slots
Supports the following motherboard formats: ATX, Micro ATX, SSI CEB
Supports the following front panel USB ports: USB 2.0 Type A, USB 3.2 Gen 2 Type C
Hugely more space available (+68% total case volume)