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Fractal Design Define Nano S Pc Case

  • ITX motherboard compatibility
  • 2 expansion slots
  • 2 - 3.5" HDD/2.5" SSD positions

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QuickFind: 756491

Mfr part code: FD-CA-DEF-NANO-S-BK

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    Fractal Design Define Nano S Pc Case Product Description

    Define Nano S

    The Define Nano S is an ITX case that features compatibility with high end, full-size components, superior sound dampening, and an ATX-like layout.

    The case includes two Dynamic Series fans with both bottom and front intakes protected by easy-to-clean, removable dust filters. With its mounting capabilities for simultaneous radiators and unobstructed airflow path, the Define Nano S can cool enthusiast-level components.

    Equipped with Fractal Design's signature ModuVent™ technology on the top vents and sound dampening throughout, the Define Nano S can run a powerful system quietly, a hallmark of the Define series.

    Key Features

    • A Define Series ITX case designed for silent computing with sound dampening and ModuVent™ technology
    • User-friendly construction with superior cable management and compatibility for full-size components
    • Flexible storage options with room for up to 4 drives
    • Accommodates a variety of radiator sizes and includes brackets for reservoir and pump mounting
    • Features two Dynamic Series fans - 1 GP-12 and 1 GP-14 - with an adapter included for motherboards with limited fan headers
    • Featuring an open interior allowing an unobstructed airflow path from the front of the case to the rear exhaust
    • Easy-to-clean filters on the bottom and front, spanning the PSU position, with the bottom filter ejecting from the front for easy-access.


    • ITX motherboard compatibility
    • 2 expansion slots
    • 2 - 3.5" HDD/2.5" SSD positions; 2 - 2.5" dedicated SSD unit positions (fits SSDs up to 13mm thick)
    • 6 - Fan positions (1 Fractal Design Dynamic GP14 140mm fan + 1 Fractal Design Dynamic GP-12 120mm fan included)
    • Filtered fan slots in the front and bottom (ejects from the front of the case)
    • CPU coolers up to 162mm in height
    • ATX PSUs up to 160mm deep (shorter PSUs recommended for easier cable management)
    • Graphics cards up to 315mm in length with front fans mounted (Cards wider than the dual slot bracket are not recommended)
    • 17 - 35mm of space for cable routing behind the motherboard plate
    • Velcro straps included for easy cable management
    • Both side panels and rear HDD/SSD brackets feature smart captive thumbscrews
    • Dense sound dampening material on front, left and right side panels
    • ModuVent™ on top of case for further silent computing or additional ventilation
    • Colours available: Black
    • Case dimensions (WxHxD): 203 x 330 x 400mm
    • Case dimensions - with feet/protrusions/screws: 203 x 344 x 412mm
    • Net weight: 5 kg
    • Case volume: 26.80 litres
    • Package dimensions (WxHxD): 275 x 485 x 420mm
    • Package weight: 6.2 kg

    Cooling System

    • Front: 2 - 120/140 mm fans (included is 1 Fractal Design Dynamic GP14 fan, 1000 RPM speed)
    • Rear: 1 - 120 mm fan (included is 1 Fractal Design Dynamic GP12 fan, 1200 RPM speed)
    • Top: 2 - 120/140 mm fan (not included)
    • Bottom: 1 - 120 mm fan (not included)
    • Dust filters: Bottom and front intakes

    Water cooling compatibility - Radiators

    • Front - 120/240mm, 140/280mm (max width 147, length 312; some radiators extend beyond the screw holes)
    • Top - 120/240mm (max component height on motherboard 35mm. Big heatsinks on RAM or power regulators around CPU could conflict with this restriction)
    • Bottom - 120mm (max thickness & length: 85mm x 160mm)
    • Rear - 120mm (max width 125mm; some radiators extend beyond the screwholes)

    Water cooling compatibility - Pumps

    • Pre-drilled holes on multi-bracket, supports many DDC and D5 variants (see manual for detailed measurements)

    Water cooling compatibility - Reservoirs

    • Adjustable mounting brackets allow for almost any rectangular mounting screw pattern. Maximum distance between the mounting bracket screw positions: 270mm height / 80mm width.

    Front interface

    • 2 USB 3.0
    • Audio in/out
    • Power button with LED (blue)
    • HDD activity LED (blue)
    • Reset button

    Package contents

    • Define Nano S computer case
    • User manual
    • Accessory box

    Technical Specifications


    Cooling System Front: 140 mm fan x 1 / 1000 rpm / 1 x 120 mm fan supported ¦ Front: 120/140 mm fan mount x 1 ¦ Rear: 120 mm fan x 1 / 1200 rpm ¦ Top: 120/140 mm fan mount x 2 ¦ Bottom: 120 mm fan mount x 1
    Form Factor Tower
    Max Mainboard Size ITX
    Supported Motherboards ITX
    Specification Compliance ATX
    Internal Bays Qty 4
    Colour Black
    CPU Cooler Max Height 162 mm
    Video Card Max Length 315 mm
    System Cabinet Features Front dust filter, cable management holes, ModuVent, bottom mounted PSU holder, supports 120 mm radiator in bottom, bottom dust filter, supports 120/140/240/280 mm radiator in front panel, supports 120/240 mm radiator in top

    Expansion / Connectivity

    Expansion Bays 2 (total) / 2 (free) x internal - 2.5" / 3.5" shared ¦ 2 (total) / 2 (free) x internal - 2.5"
    Expansion Slots 2
    Interfaces 2 x USB 3.0 ¦ 1 x microphone - mini-jack ¦ 1 x headphones - mini-jack


    Power Device No power supply

    Dimensions & Weight

    Width 20.3 cm
    Depth 41.2 cm
    Height 34.4 cm
    Weight 5 kg

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