ANTEC Constellation C3 Black ARGB PC Case, 270 View Tempered Glass Dual Chamber

C3 BLACK ARGB CONSTELLATION SERIES

270° Full-View Tempered Glass
Seamless paneling design with full-view panoramic tempered glasses, providing a transparent and spacious feel. Inclined power supply shroud decorated with embellishing ARGB lighting strip also makes a mysterious vibe.

Massive Airflow Via Honeycomb Mesh
Top, bottom, and right side feature honeycomb mesh for smooth airflow and effective dust prevention.

Versatile Configuration
Multi Hard Drive Mode
Default (Removable HDD Cage)
High Airflow Mode
Optional (120mm reverse fan)

Pre-Installed 4 x ARGB PWM Fans With Built-In Fan Controller
3 reverse fans on the side provide massive air intake.

ARGB & PWM Fan Controller
Lighting effects could be switched by LED button or synchronized with motherboard.

1 X P12
120mm ARGB PWM regular fan.

3 X P12 Reverse
120mm ARGB PWN fans.

Ample Space For Water Cooling
Simultaneously supports top 360mm and side 240mm radiators.

Cooling Compatibility
Supports simultaneous installation of 8 x 120mm fans.

4 X Dust Filters
Three-sided dust protection with magnetic dust filters on the top, bottom and right side, along with another flat filter at the bottom, effectively preventing dust and easy to clean.

Tool-Free Design
Designed with drop-proof bolt, fixing slot, and fixing stud, the glass panels are convenient for hardware disassembly and cleaning.

Cable Management Space
23mm cable management space at the back side of motherboard.

I/O Panel
Equipped with Type-C 3.2 Gen 2 port for high-speed transmission.

Storage Capacity
HDD cage is removable; after removal, can install 1 x 120mm fan for enhanced cooling.

Specifications

Main Spec

Dimensions
470 x 210 x 485 mm (D x W xH)

Form Factor
Mid Tower

Materials
Steel, Plastic, Glass

Mainboard Support
ATX, Micro-ATX, ITX

Front Access & Controls
Power, LED Control Button, USB 3.0 x 1, Type-C 3.2 Gen 2 x 1, Headphone / Mic Combo Jack

Side Panel
4 mm Tempered Glass

Drive Bays

Expansion Slots
7

3.5 Inch /2.5 Inch
1

2.5 Inch
3

Fan Support

Top
3 x 120 / 2 x 140 mm

Side
3 x 120 mm

Bottom
1 x 120 mm (Remove HDD Cage)

Rear
1 x 120 mm

Included Fan(s)
3 x 120 mm PWM ARGB reverse fans on right side + 1 x 120 mm PWM ARGB fan in rear

Radiator Support

Top
120 / 140 / 240 / 280 / 360 mm

Side
120 / 240 mm

Rear
120 mm

Clearance

Max GPU Length
415 mm

Max CPU Cooler Height
160 mm

Max PSU Length
(Include cable) 195 mm

Miscellaneous

Dust Filter
Top / Right side / Bottom

Net Weight
7.56 kg

Gross Weight
8.87 kg

Warranty
2 Years

Fast UK Shipping

We offer quick order processing within 1–2 working days across the UK. Order before 3:00 PM GMT/BST on weekdays for same-day processing.

Once the order is processed, the following options indicate respective delivery times.

Delivery Options:

• Basic: Free | 2–5 business days
• Standard: Free over £100 / £4.99 under £100 | 2–3 business days
• Express: £4.99 | 1–2 business days
• Premium Next-Day: £7.99 | Next business day.

Note: Delivery times are estimated and may vary due to courier delays or weather.

Hassle-Free Returns

Changed your mind? You can return unused items in original packaging within 14 days of delivery.

To request a return, email contact@lazymart.co.uk. We’ll provide instructions on how to proceed with a return. Refunds are processed within 5 business days after inspection.

Damaged or Incorrect Orders

If your item arrives damaged or incorrect, contact us within 24 hours with photos for a quick resolution.

Shipping & Returns Policies

For more details, view our Shipping Policy and Return Policy.

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