BitFenix Merc Alpha vs Colossus Case Comparison

BitFenix Merc Alpha and BitFenix Colossus are both cases with the same Max VGA length allowance (w/o HDD cage) (320 mm). The main differences 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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BitFenix Merc Alpha	BitFenix Colossus
Prices (Change region) - Buy now	Prices (Change region) - Buy now
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Pangoly Score (How do we rate?) 79	Pangoly Score (How do we rate?) -
Brand BitFenix	Brand BitFenix
Model Merc Alpha BFC-MRC-100-KKX1-RP	Model BFC-CLI-300-KKLS1-RP
Release Date 📅 October 2009	Release Date -
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews ★★★★★ (4 reviews) Add a product review	User reviews ★★★★☆ (7 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 ATX Mid Tower	Type Mini ITX Tower
Color Black	Color Black/White
Includes Power Supply No	Includes Power Supply No
External 5.25" Drive Bays 3	External 5.25" Drive Bays 1
External 3.5" Drive Bays 1	External 3.5" Drive Bays 0
Internal 2.5" Drive Bays 0	Internal 2.5" Drive Bays 8
Internal 3.5" Drive Bays 6	Internal 3.5" Drive Bays 5
Motherboard Compatibility ATX, Micro ATX, Mini ITX, Thin Mini ITX	Motherboard Compatibility Mini ITX
Front Panel I/O USB 2.0 Type A, USB 3.2 Gen 1 Type A	Front Panel I/O USB 3.2 Gen 1 Type A
Dimensions 489 mm x 189 mm x 438 mm	Dimensions 312 mm x 400 mm x 464 mm
Volume 40 L	Volume 58 L
Max VGA length allowance 270 mm	Max VGA length allowance 180 mm
Max VGA length allowance (w/o HDD cage) 320 mm	Max VGA length allowance (w/o HDD cage) 320 mm
Expansion Slots 7	Expansion Slots 2
Back Connect Support No	Back Connect Support No