NZXT H2 Flow vs Mars Gaming MCV4 Case Comparison

The main differences between NZXT H2 Flow and Mars Gaming MCV4 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	Mars Gaming MCV4
Prices (Change region) In Stock Free shipping $149.99 Out of Stock $189.14	Prices (Change region) There are no offers available in your selected region. Other merchants are available in another region. In Stock Free shipping €70.00 In Stock Free shipping €82.44 In Stock + €14.90 Shipping €74.28 Out of Stock Free shipping €89.49 Out of Stock Free shipping €111.98 Show 2 more offers
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Brand NZXT	Brand Mars Gaming
Model CI-H21FB-01	Model MCV4
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, EATX, 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 400 mm x 289 mm x 440 mm
Volume 21 L	Volume 51 L
Max VGA length allowance 331 mm	Max VGA length allowance 418 mm
Expansion Slots 3	Expansion Slots 7
Back Connect Support No	Back Connect Support No