The Fractal Design Define One Dark Solid is a versatile Midi Tower case designed for builders who value clean aesthetics and practical functionality. Constructed from sturdy steel and finished in a sleek black, this spacious enclosure measures 500 x 235 x 482 mm and weighs 11.20 kg. It supports a wide range of motherboard form factors including Mini-ITX, Micro-ATX, ATX, and E-ATX, making it suitable for a broad variety of system configurations. The case comes without a side window or illumination, appealing to those who prefer a minimalist, distraction-free look.
Cooling and Radiator Support
The Define One Dark Solid offers extensive cooling options for both air and liquid setups. The front panel accommodates up to three 120mm or three 140mm fans, while the top supports up to two fans. A single fan position is available at the rear. Radiator compatibility is equally impressive, with front support for 120mm, 240mm, 280mm, and 360mm radiators, the top accepting 120mm, 240mm, and 280mm units, and the rear fitting a 120mm radiator. This flexibility makes it well-suited for demanding thermal management requirements.
Storage and Build Flexibility
Inside the case, builders have access to two internal 3.5-inch drive bays and four 2.5-inch bays, supported by a combined HDD/SSD cage for added versatility. A maximum graphics card length of 370mm and a CPU cooler height limit of 171mm ensure compatibility with high-performance components. Seven expansion slots, integrated cable management, and support for ATX power supplies up to 180mm round out a thoughtfully designed interior.
Product number manufacturer:
FD-C-DEFOA-01
Cooling
Front fans diameters supported:
3x 120mm, 3x 140mm
Front radiator sizes supported:
120, 240, 280, 360 mm
Liquid cooling capability:
Top radiator sizes supported:
120, 240, 280 mm
Display
Energy management
Supported power supply form factors:
ATX
Ergonomics
Packaging content
Physical characteristics
ATX, E-ATX, Micro-ATX, Mini-ITX
Maximum CPU cooler height:
17.1 cm
Maximum graphics card length:
37 cm
Number of expansion slots:
7
Storage media
Number of hard drives supported:
2
Supported hard disk drive sizes:
2.5,3.5"
Weight & dimensions
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