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Phanteks Eclipse G300A D-RGB Single Fan TG Case Black

PH-EC300GA_DBK01 | Phanteks
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The Phanteks Eclipse G300A Tempered Glass Case features a sleek black steel chassis, high airflow mesh on the front, a tempered glass side panel, 1 x D-ARGB 120mm fan to the rear, supports m-ITX, m-ATX and ATX motherboards, radiator support at the front (up to 360mm), and top (up to 240mm), and supports a graphics card of up to 390mm in length. This case in the Phanteks Eclipse series boasts improved cooling capacity and clearances in comparison to its P300A counterpart.


Phanteks Eclipse G300A D-RGB Tempered Glass Mid Tower Case - Satin Black Feature 1

Eclipse G300A

Compact with Exceptional Value

The G300A is equipped with greatly improved cooling capacity and clearances in comparison to the previous P300A.

Small in size and big on features, the Phanteks Eclipse G300A brings high airflow performance in a compact ATX chassis. Large GPUs, like the ASUS RTX 4090 STRIX, fit perfectly with front fans installed and even high-end CPUs can be cooled easily with front 360 or top 240 radiator support.

The Eclipse G300A comes equipped with a D-RGB Motherboard Adapter to connect it directly to a motherboard.

  • High airflow mesh with triple 120 mm front fan support
  • 360 radiator support in the front, 240 radiator support in the top
  • 360 mm GPU support with 30 mm front fans combined
  • Rear D-RGB fan and D-RGB MB adapter included


General Data

Model Number PH-EC300GA_DBK01
Colour Satin Black
Product Dimension (D x W x H) 400 x 200 x 465 mm / 15.7 x 7.9 x 18.3 inch
Form Factor Mid Tower
Motherboard Support ATX, micro-ATX, mini-ITX
Materials Steel Chassis, Tempered Glass
Side Panels Tempered Glass
Front IO 1 x USB 3.0 Type-A
1 x USB 3.0 Type-C
Power button
Reset button
Microphone / headphone
Connectors Power Switch
USB 3.0
Warranty 5 Years Limited


PCI Slots 7
Internal 3.5” Bay 1 (1 x included)
Internal 2.5” Bay 3 (3 x included)
Vertical GPU Support Yes, with optional bracket PH-VGPUKT4.0_03R

Fans & Radiators

Front Fan Support
3 x 120mm
Top Fan Support
2 x 120 mm
Rear Fan 1 x D-ARGB 120mm fan
Front Radiator Up to 360
Top Radiator Up to 240
Rear Radiator 120


GPU Length 390 mm / 15.4 inch
CPU Cooler Height 162 mm / 6.3 inch
Cable Management 36 mm / 1.4 inch
PSU Length 220 mm (with HDD installed)
Front 360 Radiator 122 x 398 mm
Top 240 Radiator 122 x 320 mm with 42 mm RAM height clearance

Scope of Delivery

Eclipse G300A Chassis 1 x triple SSD bracket
1 x 120 mm D-RGB fan (PH-EC300GA_DBK01 only)
Accessory Bag / Box 6 x Zip ties
18 x MB/SSD Screw
4 x PSU Screw
1 x Stand-off
1 x Stand-off removal tool
4 x HDD screw
1 x D-RGB MB adapter
Backed by a 5-year Phanteks warranty. 

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