
Produc t Sheet
Define C
Performance without restrictions
The Define C is an ATX case that features a highly optimized open air interior
design offering room for the most popular component setups.
Dense sound dampening material throughout the case in conjunction with Fractal
Design’s signature ModuVent™ technology gives users the option for near silent
operation or added cooling capacity.
The case includes two Dynamic X2 Series fans with bottom, top and front intakes
protected by easy-to-clean, high airflow removable dust filters.
With extra attention to cable management features such as hidden drive cages and
a PSU shroud, the Define C makes it easy to create a stunningly clean build that’s
sure to impress.

Produc t Sheet
Key features
● Define Series sound dampening with ModuVent™ technology for silent operation in a compact full ATX form factor.
● Optimized for high airflow and silent computing.
● Side and front panels are lined with industrial-grade sound dampening material.
● Flexible storage options with room for up to 5 drives.
● Comes with two preinstalled Fractal Design Dynamic X2 GP-12 120 mm fans optimized to deliver maximum airflow while still
maintaining a low noise level.
● Open air designed interior creates an unobstructed airflow path from the front intake to the rear exhaust.
● Easy-to-clean high airflow nylon filters on the front and base with full PSU coverage and front access for convenience.
● Includes optional top filter to prevent dust buildup when ModuVent is removed for additional fan slots.
● Power supply shroud conceals drive cage and excess cabling for an even quieter and cleaner looking interior free of airflow obstructions.
Package contents
● Define C computer case (Define C Window computer case)
● User manual
● Accessory box
● Optional top filter

Produc t Sheet
General specifications
Specification
3.5" or 2.5" Drive capacity
Dedicated 2.5" drive capacity
Expansion slots
Motherboard compatibility
Power supply type
Total fan mounts
Front fan
Top fan
Rear fan
Bottom fan
Side fan
Dust filters
Front radiator
Top radiator
Rear radiator
• Define C - Black
• 2
• 3
• 7
• ATX, mATX, ITX
• ATX
• 7
• 3 x 120 or 2 x 140
• 1 x Dynamic X2 GP-12 included
• 2 x 120/140
• 1 x 120
• 1 x Dynamic X2 GP-12 included
• 1 x 120
• No
• Bottom fan + PSU
• Front fans
• Top panel
• 120/240/360mm
• 140/280mm
• 120/240mm (max component height
on motherboard 40 mm)
• 120mm (max width 125mm)
• Define C- Black -Window
• 2
• 3
• 7
• ATX, mATX, ITX
• ATX
• 7
• 3 x 120 or 2 x 140
• 1 x Dynamic X2 GP-12 included
• 2 x 120/140
• 1 x 120
• 1 x Dynamic X2 GP-12 included
• 1 x 120
• No
• Bottom fan + PSU
• Front fans
• Top panel
• 120/240/360mm
• 140/280mm
• 120/240mm (max component height
on motherboard 40 mm)
• 120mm (max width 125mm)

Produc t Sheet
General specifications
Specification
Power supply depth limit
Graphics card length limit
CPU cooler height limit
Cable routing
Cable routing grommets
Fixed Velcro straps
Captive thumbscrews
Left side panel
Right side panel
• Define C - Black
• Maximum 175mm recommended
• Max 315mm with front fan mounted
• 170mm
• 15-35mm space
• Yes
• Yes
• Both side panels
• SSD brackets
• Dense sound-dampening material
• Dense sound-dampening material
Additional information
Product Code EAN UPC JAN
Define C - Black │ FD-CA-DEF-C-BK │ 7350041084303 │ 817301014304 │ 4537694235877
Define C - Black - Window │ FD-CA-DEF-C-BK-W │ 7350041084310 │ 817301014311 │ 4537694235884
• Define C- Black -Window
• Maximum 175mm recommended
• Max 315mm with front fan mounted
• 168mm
• 15-35mm space
• Yes
• Yes
• Both side panels
• SSD brackets
• Clear transparent window
• Dense sound-dampening material