Cooler Master HAF II 500 vs Antec One Case Comparison

Cooler Master HAF II 500 and Antec One are both cases with the same Expansion Slots (8). The main differences are in External 5.25" Drive Bays, Internal 2.5" Drive Bays, Internal 3.5" Drive Bays and Motherboard Compatibility.

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Cooler Master HAF II 500	Antec One
Prices (Change region) In Stock $199.99 Last updated 12 minutes ago. In Stock $215.99	Prices (Change region) - Buy now
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Pangoly Score (How do we rate?) -	Pangoly Score (How do we rate?) 82
Brand Cooler Master	Brand Antec
Model H500G2-KGNN-S00	Model One
Release Date 📅 July 2026	Release Date 📅 February 2012
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews Add a product review	User reviews ★★★★☆ (122 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 ►
Pros -	Pros Build quality Access to CPU backplate Two 2.5'' bays 2x USB 3.0 ports Dust filter for PSU
Cons -	Cons No dust filters for the fans
Type ATX Mid 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 3
External 3.5" Drive Bays 0	External 3.5" Drive Bays 0
Internal 2.5" Drive Bays 0	Internal 2.5" Drive Bays 1
Internal 3.5" Drive Bays 3	Internal 3.5" Drive Bays 6
Motherboard Compatibility ATX, EATX, Micro ATX, Mini DTX, Mini ITX, SSI CEB	Motherboard Compatibility ATX, Micro ATX, Mini ITX, Thin 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 557 mm x 262 mm x 548 mm	Dimensions 436 mm x 208 mm x 487 mm
Volume 80 L	Volume 44 L
Max VGA length allowance 430 mm	Max VGA length allowance 266 mm
Expansion Slots 8	Expansion Slots 8
Back Connect Support No	Back Connect Support No