ANTEC CX300 ARGB WHITE — 4 Fans

The Antec CX300 ARGB White is a mid-tower ATX gaming case built around a panoramic 270° viewing design, vertical airflow layout and four pre-installed 120 mm ARGB fans. It supports ATX, Micro-ATX and Mini-ITX motherboards, graphics cards up to 420 mm, CPU coolers up to 170 mm and radiators up to 360 mm on the top. The official Antec documentation confirms the specifications below.

Main Specifications

Cooling & Fans

The CX300 ARGB comes with 4 pre-installed 120 mm ARGB fans. Three are reverse-blade fans positioned on the side for intake, while one standard ARGB fan is installed at the rear for exhaust. The fans can be daisy-chained for ARGB synchronization.

Included fans:

• Side: 3 × 120 mm ARGB reverse fans
• Rear: 1 × 120 mm ARGB fan
• Total included: 4 × 120 mm ARGB fans

Maximum fan installation: up to 10 × 120 mm

The vertical cooling design uses the mesh sections on the bottom and side to improve airflow through the chassis. Antec also provides EVA cushioning at the PSU mounting area to help reduce vibration.

Liquid Cooling / Radiator Support

A 360 mm radiator can be installed on the top, while the side supports radiators up to 240 mm. When installing a radiator at the top, Antec notes that motherboard/RAM clearance can become a consideration, with memory height limited to 45 mm in an interference scenario.

Component Compatibility

The 420 mm GPU clearance provides substantial room for large modern graphics cards, while the 170 mm CPU-cooler clearance accommodates many high-performance tower air coolers.

Storage

Front I/O

The front/top I/O section provides:

• 1 × USB 3.0
• 2 × USB 2.0
• MIC / HD-AUDIO
• Power button
• LED Control button

The LED Control button is provided for controlling the case’s integrated ARGB lighting setup.

Dimensions

• Case: 450 × 219 × 456 mm (D × W × H)
• Box: 495 × 280 × 515 mm (D × W × H)
• Net weight: 6.55 kg
• Gross weight: 8.06 kg

Additional Features

• Panoramic 270° tempered-glass viewing design
• Seamless front and left-side glass appearance
• Vertical airflow-oriented internal layout
• 4 × 120 mm ARGB fans included
• Daisy-chain ARGB fan connection
• Up to 10 × 120 mm fans supported
• Top support for 360 mm radiators
• Side support for 240 mm radiators
• Top and bottom dust filters
• EVA anti-vibration cushioning around the PSU mounting area
• 27 mm cable-routing space
• 7 standard expansion slots