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Brand: Phanteks

Eclipse G400A

Phanteks Eclipse G400A PH-EC400GA_DMW01

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Bottom fans diameters supported 120 mm
Depth 495 mm
Form factor Midi Tower
Front fans diameters supported 140 mm
Front fans installed 3x 140 mm
Height 522 mm

About this item

Spacious D-RGB Gaming ChassisThe G400A is the upgraded successor to the popular P400A, featuring a completely redesigned and more spacious chassis. It’s perfect for clean, modern hardware setups, easily accommodating even the largest graphics cards while leaving ample room for cable management. With up to 10 fan...

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Product information

About this product

  • Midi Tower PC
  • EATX, ATX, Mini-ITX, micro ATX
  • Supported HDD sizes: 3.5,2.5"
  • Number of 2.5" bays: 2 Number of 3.5" bays: 2
  • Side window Illumination Multi Anti-dust filter
  • Steel, Tempered glass
  • White

Spacious D-RGB Gaming Chassis
The G400A is the upgraded successor to the popular P400A, featuring a completely redesigned and more spacious chassis. It’s perfect for clean, modern hardware setups, easily accommodating even the largest graphics cards while leaving ample room for cable management. With up to 10 fan mounting points, support for 140 mm fans, and dedicated radiator space at the top, cooling performance has been significantly enhanced.

The G400A also supports the latest mainboards, with rear-side connectors hidden to enable a cable-free appearance. Additionally, the graphics card benefits from direct cooling via three 120 mm fan mounts on the mid-plate.

Clean front inlet design
Clean design allows for focused airflow.
4x M25-140 Gen2 D-RGB fans included.
Dedicated 360 radiator support in the top without restrictions.

Improved Air Intake
45% open surface for more air intake compared to standard mesh which only provides 35%.

Ultra-fine Performance Mesh
Large mesh intake areas on both side panels for high cooling performance.
Triple mid-plate 120 fan locations for direct GPU cooling.
Support for the largest graphics cards without compromise.

Clean Cable Management
Dedicated cable management tool.
Support for the latest rear-side connector mainboards.

New Generation D-RGB
4x M25-140 Gen2 D-RGB fans pre-installed.
Build-in horizontal D-RGB strip.

NexLinq
Expand with more D-RGB by using our Nexlinq ecosystem, which makes both lighting and fan control a breeze with its lightweight software.

Matrix 600 Case Upgrade
Drop in the Matrix Upgrade Kit designed specifically for the Eclipse G400A.
Seamlessly integrates into the chassis without permanent modifications.
Adds Matrix display functionality while preserving the original case design.

Product details

35
Bottom fans diameters supported 120 mm
Depth 495 mm
Form factor Midi Tower
Front fans diameters supported 140 mm
Front fans installed 3x 140 mm
Height 522 mm
Illumination colour Multi
Illumination location Case fans
Material Steel, Tempered glass
Maximum CPU cooler height 18.4 cm
Maximum graphics card length 41.5 cm
Maximum PSU length 27 cm
Number of 2.5" bays 2
Number of 3.5" bays 2
Number of bottom fans supported (max) 3
Number of expansion slots 7
Number of front fans supported (max) 3
Number of rear fans supported (max) 1
Number of top fans supported (max) 3
Package weight 10.5 kg
Power supply location Bottom
Product colour White
Rear fans diameters supported 140, 120 mm
Rear fans installed 1x 140 mm
Rear radiator sizes supported 120 mm
Supported HDD sizes 3.5, 2.5"
Supported motherboard form factors EATX, ATX, Mini-ITX, micro ATX
Top fans diameters supported 120, 140 mm
Top radiator sizes supported 360, 280 mm
Type PC
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity 2
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity 1
Warranty period 5 year(s)
Weight 8.63 kg
Width 230 mm

Logistics

EAN886523303565
Unit of measure—
Weight—
Dimensions —
Dangerous goodsNo

Warranty

  • 12-month warranty on everything we sell.
  • Runs from the day your order is delivered.
  • Faults under normal use are repaired, replaced or refunded.
Read the warranty terms

Payment

  • Clearpay
  • Klarna
  • Visa and Mastercard, processed securely by Tyl by NatWest with 3D Secure.
  • PayPal — your PayPal balance or a saved card or bank account.
  • Clearpay, Klarna and Billie — pay later or in instalments, processed by Stripe.
  • No surcharge on any payment method; refunds go back to the way you paid.
Read the payment policy
Spread the cost
  • Clearpay
  • Klarna
    • Clearpay
    4 interest-free payments of £26.32 with Clearpay. Learn more
    • Klarna
    3 payments of £35.09 at 0% interest with Klarna. Learn more
    Businesses: pay in 30 days on invoice with Billie. Learn more

Choose at checkout. 18+, T&Cs apply, credit subject to status.

Return policy: Item can be returned in its original condition for a full refund within 14 days of receipt, with a free tracked Royal Mail return label. Read full return policy