The PHANTEKS Eclipse G400A is a sleek and versatile Midi Tower PC case designed to accommodate a wide range of builds. Available in a bold black finish and constructed from durable steel with a tempered glass side panel, this case combines solid build quality with an attractive aesthetic. Supporting motherboard form factors including Mini-ITX, Micro-ATX, ATX, and E-ATX, it offers excellent compatibility for both compact and full-sized system builds. With dimensions of 522mm x 230mm x 495mm and a weight of 8.63kg, it strikes a solid balance between spaciousness and a manageable footprint.
Cooling and Liquid Cooling Support
The Eclipse G400A is built with serious thermal management in mind. The front panel supports up to three 120mm or 140mm fans and radiators sized 240mm, 280mm, or 360mm. The top accommodates up to five fans and radiators up to 360mm, while the rear supports one fan and radiators up to 140mm. A 140mm fan comes pre-installed at both the bottom and rear, giving you a head start on airflow right out of the box. The case fully supports liquid cooling setups, making it a strong choice for high-performance configurations.
Storage, Expansion, and Cable Management
Inside, the Eclipse G400A provides four 2.5-inch bays and one 3.5-inch bay, offering flexible storage options for SSDs and traditional hard drives. Seven expansion slots provide ample room for multi-card or large GPU setups, supporting graphics cards up to 415mm in length. Built-in cable management keeps your build tidy, while RGB lighting on the case fans adds a customizable visual element to your system.
Product number manufacturer:
PH-EC400GA_DBK01
Cooling
Front fans diameters supported:
3x 120mm, 3x 140mm
Front radiator sizes supported:
240, 280, 360 mm
Liquid cooling capability:
Top radiator sizes supported:
240, 280, 360 mm
Display
Energy management
Number of power supplies:
1
Supported power supply form factors:
ATX
Ergonomics
Physical characteristics
ATX, E-ATX, Micro-ATX, Mini-ITX
Maximum CPU cooler height:
18.4 cm
Maximum graphics card length:
41.5 cm
Number of expansion slots:
7
Storage media
Supported hard disk drive sizes:
3.5"
Weight & dimensions
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