NZXT H2 Flow vs Rosewill I3-397-BK Case Comparison

The main differences between NZXT H2 Flow and Rosewill I3-397-BK 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	Rosewill I3-397-BK
Prices (Change region) In Stock Free shipping $149.99 Out of Stock $189.14	Prices (Change region) - Buy now
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Brand NZXT	Brand Rosewill
Model CI-H21FB-01	Model I3-397-BK
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 MicroATX Mini 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 0
Internal 3.5" Drive Bays 0	Internal 3.5" Drive Bays 4
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 3.2 Gen 1 Type A
Dimensions 263 mm x 181 mm x 435 mm	Dimensions 361 mm x 177 mm x 436 mm
Volume 21 L	Volume 28 L
Max VGA length allowance 331 mm	Max VGA length allowance 250 mm
Expansion Slots 3	Expansion Slots 4
Back Connect Support No	Back Connect Support No