Fractal Design Define Nano S (Black Window) Quiet PC Case w/ Clear Window, Mini ITX, 2 Fans, ATX PSU & 315mm GPU Support, 280mm Watercooling, Up to 4 HDD/SSD

£67.31 (£56.09 + VAT)

An ITX case that features compatibility with high-end, full-size components, superior sound dampening, and an ATX-like layout

89 in stock


Product Information

An ITX case that features compatibility with high-end, full-size components, superior sound dampening, and an ATX-like layout

  • Define Series hallmarks in the ITX form factor: sound dampening plus ModuVent™ technology
  • User-friendly design with an ATX style layout and full-size component compatibility
  • Good storage options for its size: up to 4 drives can be installed
  • Multiple cooling setups: room for tower air coolers; includes brackets for pump and reservoir mounting
  • Open interior allows air to pass through unobstructed from the front intake to the back exhaust

Designed for silent computing
This 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

  • User-friendly construction compatible with full-size components and with superior cable management
  • Flexible storage options with room for up to four 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






Form Factor


Power Supply Wattage


Motherboard Support

Mini ITX

Connectors / Controls

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

Drive Bays

2 x 3.5" HDD/2.5" SSD positions
2 x 2.5" dedicated SSD unit positions (up to 13 mm thick)

Expansion Slots

2 Expansion slots

Cooling System

Front: 1 x Dynamic GP14 140 mm fan
Rear: 1 x Dynamic GP12 120 mm fan

<strong>Fan Mounts</strong>
Front: 2 x 120 / 140 mm
Top: 2 x 120 / 140 mm
Rear: 1 x 120 mm
Bottom: 1 x 120 mm




Left side panel: Clear transparent window
Right side panel: Industrial sound-dampened steel


<strong> GFX Card:</strong>
315 mm with front fans mounted (cards wider than the dual slot bracket are not recommended)
Max recommended GPU thickness: 39 mm

<strong> Max CPU Cooler:</strong>
162 mm

<strong> PSU:</strong>
Max length: 160 mm

Additional Features

See More Information / Video


5 kg
(WxHxD) 203 x 330 x 400 mm
With feet/protrusions/screws: 203 x 344 x 412 mm
Volume: 26.8 liters


User manual
Accessory box


2 Years