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Phanteks Eclipse P400S Series PH-EC416PSW_BK Satin Black Steel Silent Window ATX Mid Tower Cases with 10 Color RGB Downlight

  • Steel ATX Mid Tower
  • 2 x USB 3.0 / Mic / Headphone / Reset / LED Color Control / 3-speed Fan Control Front Ports
  • 6x (2x included) Internal 3.5" Drive Bays
Eclipse p400s

Phanteks continues its user friendly design chassis with the new Eclipse Series P400S. Without much effort, the P400S allows users to create a clean and beautiful system. Ambient RGB illumination adds character while the solid metal exterior gives the case a simple elegant design. The P400S is suitable for beginners and experienced systems builders with all the extra features. The P400S comes with sound damping panels and a 3-speed fan controller to enhance acoustical performance.

  • Full Metal Body
  • Clean interior - Featuring a PSU cover
Eclipse p400sEclipse p400s


Eclipse p400s
  • Support for multiple fan configurations
  • Optimized for airflow with low resistance
  • Direct airflow for optimal CPU/GPU cooling


Eclipse p400s
  • Equipped with Phanteks’ velcro cable ties
  • 25 mm cable management space + additional cable compartment in bottom
Eclipse p400s

Front I/O (HIDDEN):
2x USB 3.0 / Headphone / Mic / LED Control / Reset / 3-Speed Fan Controller

Eclipse p400s

RGB Power Light + Ambient Down Light
Choose From 10 Different Colors

Eclipse p400s

Upgrade Option:
Phanteks Rgb Led Strip (Interior)

Case Specifications
Dimension 210 mm x 465 mm x 470 mm (W x H x D)
8.3 in x 18.3 in x 18.5 in
Form Factor Midtower
Material(s) Steel chassis, steel exterior, ABS
Motherboard Support ATX, Micro ATX, Mini ITX,
E-ATX *(up to 272mm wide, cannot use rubber grommets)
Front I/O 2x USB 3.0, Mic, Headphone, Reset, LED control, 3-speed Fan controller (only available for P400S)
Side window Yes (also available with closed panel)
Soundproofing panels Yes, Front / Top / Sides
Expansion & Drive Bays  
Expansion slots 7
Internal 3.5" 6x (2x included)
Internal 2.5" (dedicated) 2x (2x included)
Cooling 120mm fan 140mm fan  
Front 3x (1 included) 2x  
Top 2x 2x  
Rear 1x (1 included) -  
Liquid Cooling 120mm radiator 140mm radiator
Front Up to 360 Up to 280
Rear 120 -
Graphic card 395 mm (15.2 in)
280 mm (11.0 in) Optional HDD brackets installed
CPU cooler 170 mm (6.7 in)
Cable management 25 mm (1.0 in)
PSU (including cable) 270 mm (10.6 in)
Packaging Information PH-EC416P  
Package Dimension 300 mm x 555 mm x 520 mm (WxHxD)
11.8 in x 21.9 in x 20.5 in
Net Weight 7 kg (15.4 lbs)  
Gross Weight 8 kg (17.6 lbs)  
Length 5 Years Limited

Warranty & Returns

Warranty, Returns, And Additional Information


  • Limited Warranty period (parts): 5 years
  • Limited Warranty period (labor): 5 years
  • Read full details

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