Antec Flux Pro Noctua Edition vs Fractal Design Define R4 Case Comparison

Antec Flux Pro Noctua Edition and Fractal Design Define R4 are both cases with the same Internal 2.5" Drive Bays (2). The main differences are in External 5.25" Drive Bays, Internal 3.5" Drive Bays, Motherboard Compatibility and Front Panel I/O.

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Antec Flux Pro Noctua Edition	Fractal Design Define R4
Prices (Change region) In Stock $399.95 Last updated 55 minutes ago.	Prices (Change region) - Buy now
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Pangoly Score (How do we rate?) -	Pangoly Score (How do we rate?) 86
Brand Noctua	Brand Fractal Design
Model Antec Flux Pro Noctua Edition Antec-Flux-Pro-NE 841501190339	Model FD-CA-DEF-R4-BL
Release Date 📅 March 2026	Release Date 📅 November 2013
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews Add a product review	User reviews ★★★★★ (145 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 Great cable management Fan controller Dust filter for all intake-fans Very solid Quiet
Cons -	Cons Heavy Only 2 fans included
Type ATX Full Tower	Type ATX Mid Tower
Color Brown/Black	Color Black
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 0
Internal 2.5" Drive Bays 2	Internal 2.5" Drive Bays 2
Internal 3.5" Drive Bays 4	Internal 3.5" Drive Bays 8
Motherboard Compatibility ATX, EATX, Micro ATX, 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 530 mm x 245 mm x 545 mm	Dimensions 232 mm x 464 mm x 523 mm
Volume 71 L	Volume 56 L
Max VGA length allowance 455 mm	Max VGA length allowance 295 mm
Max VGA length allowance (w/o HDD cage) -	Max VGA length allowance (w/o HDD cage) 430 mm
Expansion Slots 8	Expansion Slots 7
Back Connect Support No	Back Connect Support No