Lian Li A4-H2OX5 vs Zalman R1 BLACK Case Comparison

Lian Li A4-H2OX5 and Zalman R1 BLACK are both cases with the same Internal 2.5" Drive Bays (1). The main differences are in External 5.25" Drive Bays, External 3.5" Drive Bays, Internal 3.5" Drive Bays and Motherboard Compatibility.

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Lian Li A4-H2OX5	Zalman R1 BLACK
Prices (Change region) In Stock $154.99 Last updated 2 minutes ago. In Stock Free shipping $154.99 In Stock Free shipping $154.99 In Stock $154.99 Show 1 more offers	Prices (Change region) - Buy now
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Pangoly Score (How do we rate?) -	Pangoly Score (How do we rate?) 84
Brand Lian Li	Brand Zalman
Model A4H2OX5	Model R1 R1 BLACK
Release Date 📅 March 2026	Release Date 📅 August 2014
* 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 Desktop	Type ATX Mid Tower
Color Black	Color White/Gold
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 1	Internal 2.5" Drive Bays 1
Internal 3.5" Drive Bays 0	Internal 3.5" Drive Bays 4
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 2 Type C	Front Panel I/O USB 2.0 Type A, USB 3.2 Gen 1 Type A
Dimensions 326 mm x 140 mm x 244 mm	Dimensions 465 mm x 192 mm x 450 mm
Volume 11 L	Volume 40 L
Max VGA length allowance 322 mm	Max VGA length allowance 360 mm
Expansion Slots 3	Expansion Slots 7
Back Connect Support No	Back Connect Support No