The Antec CX300 ATX ARGB Gaming Chassis is engineered for gamers and PC builders who demand both aesthetics and functionality. Featuring a panoramic tempered glass design, it provides a clear view of your components, showcasing your high-performance build with style. The vertical airflow system, supporting up to 10 fans, ensures superior cooling by optimising airflow from bottom to top, keeping your system running efficiently even under intense gaming conditions.
This mid-tower case is designed with user convenience in mind, featuring a flip-out side panel secured by a single screw, allowing effortless access to internal components. Equipped with four pre-installed ARGB fans—three 120mm reverse blade fans on the side and a single 120mm fan at the rear—it delivers enhanced airflow and vibrant illumination to elevate your setup.
Supporting a 360mm radiator on top and a 240mm radiator on the right side, the CX300 provides robust cooling solutions for high-performance gaming rigs. The magnetic dust filters on the top and bottom prevent dust build-up, ensuring long-lasting performance. Its 7-slot PCIe design offers extensive GPU compatibility, making it an ideal choice for powerful gaming configurations. Elevate your gaming experience with the Antec CX300 ARGB Gaming Chassis—where performance meets cutting-edge design.
FEATURES:
- Tempered glass panels for a premium aesthetic
- Vertical airflow system, up to 10 fans for optimal cooling
- 4 x 120mm reverse blade RGB fans included
- 360mm top radiator and 240mm side radiator
- Top and bottom magnetic dust filters
- 7 PCIe slots for maximum GPU compatibility
SPECIFICATIONS:
- Motherboard Support: ATX, Micro-ATX, ITX
- Form Factor: Mid Tower
- Case Material: Steel + Tempered Glass
- Side & Front Panel: 4mm Tempered Glass
- I/O Ports: Power, LED Control, USB 2.0 x 2, USB 3.0 x 1, MIC/HD-AUDIO
- Clearance:
- CPU Cooler Max Height: ≤ 170mm
- CPU Max Length: ≤ 420mm
- Power Supply Max Length: (Includes cable) ≤ 245mm
- Cable Routing Space: ≤ 27mm
- Dust Filter: Top/Bottom
- Fan Support:
- Top: 3 x 120mm/ 2 x 140mm
- Side: 3 x 120mm
- Power Supply Shroud: 1 x 120mm
- Bottom: 1 x 120mm
- Rear: 1 x 120mm
- Radiator Support:
- Top: 120/240/360mm (When installing water cooler on the top, if there is interference, the memory height is limited to 45mm)
- Side: 120mm/240mm
- Expansion Slots:
- Standard: 7
- Drive Bays:
- 3.5″/2.5″: 2/1
- 2.5″: 2
- Dimensions:
- Case Dimensions: 45 x 21.9 x 45.6 cm
- Box Dimensions: 49.5 x 28 x 51.5 cm
- Net Weight: 6550g
- Gross Weight: 8060g
- Accessories:
- Included Fans: 3 x 120mm ARGB reverse fans on right side + 1 x 120mm ARGB fan in rear
WHAT’S IN THE BOX:
- Antec CX300 ATX ARGB Gaming Chassis – White x1
GeIL Pristine 16GB DDR5 5600MHz Notebook Memory
UGREEN RJ45 CAT6 2m LAN Network Cable - (1Gbps, 250MHz) – Green
AMD RYZEN 5 7500X3D 6-Core 4.0GHz AM5 CPU
Cudy AC1200 Gigabit Dual Band Ceiling Access Point
- Outdoor
Intel® Core™ Ultra 5 225 LGA1851 3.30GHz 10-Core CPU
Hiksemi Elite Magnet 2TB USB Type-C Portable SSD
UGREEN RJ45 Splitter Adapter 2 Pack (Black)
Intel® Core Ultra 5 225F LGA1851 3.30GHz 10-Core CPU
Intel® Core™ Ultra 9 285 LGA1851 2.50GHz 24-Core CPU
Niimbot D11 Portable Thermal Label Printer BK
Xiaomi Magnetic Charging Cable for Wearables 2 Series and Band 8
Hiksemi Capture V30 128GB MicroSDXC (Without Adapter)
Keychron BM24 Wireless Silent Mouse - Metal Grey
UGREEN HDMI to VGA Converter, 1080p Video Adapter - Black
Keychron V3 Max QMK/VIA 80% Wireless Custom Mechanical Keyboard (Red Switch) – Carbon Black
UGREEN M511 Ergonomic 2.4GHz Wireless Mouse - Black
Asus Prime AP202 ARGB Curved Tempered Glass Micro-ATX Chassis – Black
DeepCool CG530U 4F ATX Gaming Chassis - Black 







