Corsair Obsidian 750D vs Obsidian Series 550D Case Comparison

Corsair Obsidian 750D and Corsair Obsidian Series 550D are both cases with the same Internal 3.5" Drive Bays (6). The main differences are in External 5.25" Drive Bays, Internal 2.5" Drive Bays, Motherboard Compatibility and Front Panel I/O.

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Corsair Obsidian 750D	Corsair Obsidian Series 550D
Prices (Change region) Out of Stock Free shipping $159.99	Prices (Change region) Out of Stock Free shipping $179.99 Out of Stock Free shipping $398.40
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Pangoly Score (How do we rate?) 93	Pangoly Score (How do we rate?) -
Brand Corsair	Brand CORSAIR
Model 750D CC-9011035-WW	Model 550D CC-9011015-WW CC550D
Release Date 📅 November 2013	Release Date -
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews ★★★★★ (166 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 ATX Full Tower	Type ATX Mid Tower
Color Black	Color Black
Includes Power Supply No	Includes Power Supply No
External 5.25" Drive Bays 3	External 5.25" Drive Bays 4
External 3.5" Drive Bays 0	External 3.5" Drive Bays 0
Internal 2.5" Drive Bays 4	Internal 2.5" Drive Bays 0
Internal 3.5" Drive Bays 6	Internal 3.5" Drive Bays 6
Motherboard Compatibility ATX, EATX, Micro ATX, Mini ITX, XL ATX	Motherboard Compatibility ATX, Micro ATX, 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 546 mm x 235 mm x 560 mm	Dimensions 530 mm x 220 mm x 495 mm
Volume 72 L	Volume 58 L
Max VGA length allowance 340 mm	Max VGA length allowance 316 mm
Max VGA length allowance (w/o HDD cage) 450 mm	Max VGA length allowance (w/o HDD cage) 452 mm
Expansion Slots 9	Expansion Slots 8
Back Connect Support No	Back Connect Support No