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Black mid-tower case with brushed aluminium front panel and dark tinted tempered glass side window

Fractal Design

Fractal Design Define 7 FD-C-DEF7A-03 PC case

SKU CH-XSZ0-SDJYB MPN FD-C-DEF7A-03

Mid-tower case with dual-layout interior supporting E-ATX boards up to 285 mm, radiators up to 420 mm, and up to 14 3.5″ drives plus four 2.5″ SSDs.

  • Max graphics card length491 mm
  • Housing materialSteel
  • Power supplyATX
  • Power supply mountingBottom
  • Supported motherboard sizesATX / E-ATX / Micro ATX / Mini ITX
  • Side panel typeDark Tinted Tempered Glass

Configuration Black / Dark Tint Tempered Glass

  • Dual-layout interior fits E-ATX boards up to 285 mm
  • Modular top panel swaps between sound-dampened steel and filtered ventilation
  • Industrial high-density sound damping keeps operation whisper-quiet
  • Supports up to 14 x 3.5" HDDs and 4 x 2.5" SSDs
  • Three Dynamic X2 GP-14 fans pre-installed for immediate airflow

Define 7 mid-tower case

The Define 7 is an ATX mid-tower chassis built from steel with a dark tinted tempered glass side panel. It accepts motherboards up to 285 mm E-ATX as well as standard ATX, Micro-ATX and Mini-ITX boards. The interior uses a dual-layout design that can be configured for either open water-cooling space or maximum drive density. Three Dynamic X2 GP-14 fans are included at the front and rear.

Radiator and fan limits

The default open layout supports radiators up to 420 mm for custom water-cooling loops. Nine fan positions are available across the front, top, rear and bottom, each accepting 120 mm or 140 mm fans. The top panel swaps between a sound-dampened solid steel cover and a filtered ventilation panel that adds three more fan positions. Front I/O provides one USB 3.2 Gen 2x2 Type-C, two USB 3.0, two USB 2.0 and two audio ports.

Storage capacity and headroom

In the storage layout the case holds up to 14 x 3.5" drives and 4 x 2.5" drives using the included trays and brackets. Six 3.5" trays, two 2.5" brackets and one multi-bracket come pre-installed. A single external 5.25" bay remains available for optical drives or accessories. Seven standard expansion slots plus two vertical slots give room for long graphics cards and additional add-in cards.

How it compares

Measured against everything we stock in Tower & Desktop PC Cases, at today’s prices. Recalculated every night.

Price $164.99
Pricier than about 73% of the 1,468 comparable items (median $100.99).
Max graphics card length 491 mm
Higher than about 94% of the 894 comparable items (median 400 mm).

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Specifications

Product
Brand nameFractal Design
Product lineDefine 7
Model nameFD-C-DEF7A-03
Product typeATX Mid Tower
Product colorBlack
Storage
5.25-inch external bays1
3.5-inch internal bays6 included , 14 positions total
2.5-inch internal bays2 included, 4 positions total
Ports & slots
Expansion card slots7 + 2 vertical
Front panel ports1 x USB 3.2 Gen 2 × 2 Type-C, 2 x USB 3.0, 2 x USB 2.0, 2 x Audio
Power
Power supply includedNo
Power supplyATX
Size & build
Max graphics card length491 mm
Housing materialSteel
Power supply mountingBottom
Side panel typeDark Tinted Tempered Glass
Dust filteringTop panel
2 x Front
Bottom, full length
Fan mounting optionsFront: 3 × 120 mm / 140 mm fan (2 x Dynamic X2 GP-14 included)
Top: 3 × 120 mm / 140 mm fan
Rear: 1 × 120 mm / 140 mm fan (1 x Dynamic X2 GP-14 included)
Bottom: 2 × 120 mm / 140 mm fan
Product dimensions21.54 in × 9.45 in × 18.7 in
Product weight29.65 lb (13.4 kg)
Shipping weight16.24 kg
Package size643 × 561 × 363 mm
Compatibility
Supported motherboard sizesATX / E-ATX / Micro ATX / Mini ITX
Radiator supportFront: Up to 360 mm / 280 mm
Top: Up to 360 mm / 420 mm
Rear: 120 mm
Bottom: Up to 240 mm / 280 mm
CPU cooler height limit185 mm
PSU length limit250 mm (with HDD cage installed)
In the box
Included itemsDefine 7
Accessory box
User manual
Ventilated top
4 x HDD/SSD trays (for a total of 6)
More details
LED lightingNo
Included fansFront - 2 × 140 mm / Rear - 1 × 140 mm

Other versions of this model

1 more in the same range

Questions about this item

Will an E-ATX motherboard wider than 285 mm fit?

The interior supports motherboards up to 285 mm wide; anything wider will not fit.

How many 3.5″ drives can I install without buying extra trays?

Six drive trays are included, so you can mount six 3.5″ drives immediately; the case has positions for up to 14.

Can I run a 420 mm radiator in the front and still keep the top panel solid for silence?

Yes, the front supports radiators up to 420 mm while the top panel can stay as the sound-dampened steel version.

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