NZXT H2 Flow vs Corsair Obsidian Series 650D Case Comparison

The main differences between NZXT H2 Flow and Corsair Obsidian Series 650D 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	Corsair Obsidian Series 650D
Prices (Change region) In Stock Free shipping $149.99 Out of Stock $189.14	Prices (Change region) Out of Stock $219.99
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Brand NZXT	Brand CORSAIR
Model CI-H21FB-01	Model CC650DW CC650DW-1
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 4
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 5
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 546 mm x 228 mm x 520 mm
Volume 21 L	Volume 65 L
Max VGA length allowance 331 mm	Max VGA length allowance 340 mm
Max VGA length allowance (w/o HDD cage) -	Max VGA length allowance (w/o HDD cage) 450 mm
Expansion Slots 3	Expansion Slots 8
Back Connect Support No	Back Connect Support No