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DEEPCOOL MATREXX 55 ADD-RGB 3F ATX Mid-Tower Case 3x120mm ADD-RGB Fans Full-size Tempered Glass Motherboard SYNC Control ADD-RGB Lighting System

  • Manual button or motherboard controlled ADD-RGB lighting strip at front
  • 3pcs of 120mm ADD-RGB fans (CF120) pre-installed at front
  • Full-size tempered glass side-panel and 75% tempered glass front panel
  • Friendly designed internal structure for easy installation and cable management
  • 1xUSB 3.0 +2xUSB 2.0 Ports
  • Extra connectors are ready for motherboard SYNC control in any combination with other DEEPCOOL/GAMER STORM brand 5V ADD-RGB devices, like coolers, fans, etc.(sold separately) or other brand 5V ADD-RGB devices
Blue deepcool logo on a dark gray background Banner that shows the MATREXX 55 (12V RGB, without PSU shroud and no fan included), MATREXX 55 ADD-RGB (5V ADD-RGB with PSU shroud, no fan included) and MATREXX 55 ADD-RGB 3F (5V ADD-RGB with PSU shroud and pre-installed 3pcs RGB fans)

Deepcool MATREXX 55 ADD-RGB 3F

Powerful and beautiful, this mid-tower case sets your rig apart from the crowd with elegantly clean design, accentuated by two 4 mm tempered glass panels (front and left side), plus three pre-installed RGB fans and a RGB LED strip on the front. The fans and the LED strip featuring addressable RGB can be manually controlled by an RGB button on the top, or controlled by motherboard RGB solution of big brands like ASUS Aura Sync, Gigabyte RGB Fusion, MSI Mystic Light and ASRock Polychrome Sync.

Inside the chassis you'll find ample room for up to E-ATX motherboard, and your other high-end, oversized components. You can build your powerhouse clean and clutter-free thanks to its cleverly designed cable management mechanism, like shroud for bottom-mounted PSU, wide-clearance behind motherboard tray for hiding cables, and dust filters on top, front and bottom. Top-mounted USB ports and audio jacks allow handy access to peripherals.

MATREXX 55 case facing slightly to the right with rainbow RGB-lit fans. The background image is a couple of spinning rainbow RGB fans

Included Addressable RGB System

The MATREXX 55 ADD-RGB 3F case comes with three 120mm addressable (ADD) RGB fans (CF120) and an ADD RGB strip pre-installed in front to provide a boost to your gaming ambiance. The lighting system includes five pre-programmed lighting effects (dynamic color, static, breathing, comet and fashion collision) and can be easily controlled by the RGB button on the I/O panel or any motherboards that come with an addressable RGB sync function.

MATREXX 55 case facing slightly to the right with rainbow RGB-lit fans. The background image is the case's I/O panel and two hotspots for the DEEPCOOL/GAMERSTORM cable and standard cable for RGB lighting devices

ADD RGB Syncing Open to All Brands

Comes with expandable RGB lighting system and includes a pre-installed Addressable RGB strip in the front, which is easily controlled by manual button or via the motherboard; Additionally the case also enables you to add on more RGB devices by including two RGB connectors -- one for Deepcool/Gamerstorm ecosystem and one for universal 5V 3-pin headers. Now 5V ADD RGB devices of any brand can be brought into this system!

MATREXX 55 case facing to the right with its side a front panels removed, floating next to the chassis

Dual 4mm Tempered Glass

The full-sized, 4mm-thick tempered-glass on the side panel and front panel give the MATREXX 55 case a unique look to perfectly show off your awesome build.

Two MATREXX 55 cases, one faces to the right with blue and red arrows indicating positive airflow. The case on the right is more in the background facing to the left

Massive Cooling Compatibility

Optimized airflow is guaranteed with large air intakes on two sides of the front panel and an air exhaust in the back and on top, keeping your components cool.

MATREXX 55 case facing tot he right with its side panel removed

Cooling Compatibility

Supports the installation of liquid-cooling radiators:

1. 120/140/240mm radiator liquid-cooling system on top
2. 120mm radiator liquid-cooling system in the rear
3. 120/240/360mm radiator liquid-cooling system in front

Supports the installation of cooling fans :

1. 2x 120mm or 2x 140mm fans on top
2. 1x 120mm fan in the rear
3. 3x 120mm or 2x 140mm fan in front

MATREXX 55 case facing away to the right with its side panel removed

PSU Shroud Added

The ADD-RGB version is equipped with a PSU shroud to hide the cables and keep the system neat and tidy.

MATREXX 55 facing to the right with the side panel removed
MATREXX 55 case facing away, showing its rear
MATREXX 55 facing to the left with its side panel removed
A ruler next to a closeup edge of the MATREXX 55 case

Easy Cable Management

Cable managing is now easy with a 210mm wide tower compartment (23mm clearance).

MATREXX 55 case facing to the left with the side panel removed and graphics showing how mini-itx, micro atx, atx and e-atx motherboards fit

Supports motherboards up to E-ATX.

Transparent blue graphic showing where the power supply in the back bottom of the MATREXX 55 case

Support for ATX PS2 (length less than 170mm) power supplies.

Blue graphic showing 370mm graphics-card length inside the case

Supports 370mm (maximum) graphics-card installation.

Front side of the MATREXX 55 case with the side panel removed

The large area of air-intake at both sides of the front panel ensures sufficient airflow for the system.

Blue area showing the dust filter on top of the MATREXX 55 case

The magnet-mounted dust filter provided at the front panel offers users easy removal and cleaning.

MATREXX 55 top I/O panel

The top I/O panel includes one USB 3.0 + two USB 2.0 ports, audio (HD) + mic jacks and reset, RGB + power buttons.

different shots and angles of the deepcool MATREXX 55 case with rainbow RGB-lit fans
deepcool and MATREXX 55 ADD-RGB 3F logos

Warranty & Returns

Warranty, Returns, And Additional Information


  • Limited Warranty period (parts): 1 year
  • Limited Warranty period (labor): 1 year
  • Read full details

Return Policies