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Phanteks Eclipse P400A Airflow D-RGB Tempered Glass Black

PH-EC400ATG_DBK01 | Phanteks
In stock
Order within 7h 16m 6s for same day dispatch!
Buy now, pay later!
On sale! (normally $169) The P400A breathes performance and is packed with features including a spacious open interior, extensive storage options, and integrated Digital-RGB solution. Offering more performance out of the box, the P400A supports upgrades like vertical GPU placement and up to 8x HDD positions.


Strength and Performance

Full-Metal Mesh Front Panel

The single-piece front panel is made from an Ultra-Fine Steel Mesh. This mesh catches dust, adds structure, strength, and is part of the P400A's seamless design.

Improved Airflow

The P400 A chassis has improved airflow to keep your system cool. The optimized High Air-flow Mesh Front Design offers maximum cooling performance.

P400 A Models

Phanteks Eclipse P400A Airflow D-RGB Tempered Glass Case White Feature 1

Integrated Digital-RGB Lighting and Expansion

The integrated Digital-RGB lighting can be easily controlled with the Mode noise and performance with the push of a button. The Digital-RGB Controller can also be expanded and synced to a compatible motherboard.

Cooling Capacity

The Eclipse P400A has a range of possible fan and radiator locations up to 360mm for both 120mm and 140mm fans.

Phanteks Eclipse P400A Airflow D-RGB Tempered Glass Case White Feature 4

Storage Capacity

The P400A supports 2x 3.5" HDDs and 2x 2.5" SDDs out of the box with easy to use trays and vibration dampening. There is space for an additional 4x drives with the optional PH-HDDKT_02 brackets.


Front I/O 2 x USB 3.0, Mic, Headphone, Power Button, Reset Button, DRGB mode, DRGB colour
Fan Controller 3 speeds: Low/Medium/Full, 3-pin fan connectors
Included accessories 3 x 120mm Digital-RGB Phanteks Case fans
Dimensions (W x H x D) 210 x 465 x 470mm
Form Factor Mid-Tower
Materials Powdered coated steel chassis
Tempered Glass Side Panel
MB Support ATX, m-ATX, m-ITX, e-ATX (up to 272mm wide if optional HDD trays are used)
Side Window Yes, Tempered Glass
PCI slots 7 x
Internal 3.5" 2x (2 included)
Internal 2.5" 2x (2 included)
Fans Front - 120mm - 3x, 140mm - 2x
Top - 120mm - 2x, 140mm - 2x
Rear - 120mm - 1x - 140mm - -
Radiator Front - 120mm - Up to 360mm - 140mm - Up to 280mm
Top - N/A
Rear - 120mm -  140mm - N/A
CPU Cooler clearance 160mm
Graphics card length clearance 420mm
280mm when optional HDD brackets installed
PSU (including cable) 270mm
Package dimension (W x H x D) 300 x 555 x 520mm
Net Weight 7kg
Gross Weight 8kg
Warranty 5 years
Backed by a 5-year Phanteks warranty.

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