Thermaltake Level 20 GT RGB PLUS ATX Case, w/ 4 Tempered Glass Panels

MX74336 Level 20 GT RGB PLUS ATX Case, w/ 4 Tempered Glass Panels
MX74336 Level 20 GT RGB PLUS ATX Case, w/ 4 Tempered Glass Panels MX74336 Level 20 GT RGB PLUS ATX Case, w/ 4 Tempered Glass Panels MX74336 Level 20 GT RGB PLUS ATX Case, w/ 4 Tempered Glass Panels MX74336 Level 20 GT RGB PLUS ATX Case, w/ 4 Tempered Glass Panels

Product Info

Thermaltake Level 20 GT RGB Plus Edition Full Tower Case w/ 4 Tempered Glass Panels

Stand out from the crowd with this Level 20 Full Tower Case


This Case is shown with three included Fans.

The Level 20 GT RGB Plus is the premium full tower in the level 20 range; specially outfitted with RGB Plus products. Level 20 GT RGB Plus features four tempered glass panels with locking hinged doors, E-ATX motherboard support, patented PCI-E slot design and a removable power cover.

The Level 20 GT RGB comes preinstalled with two Riing Plus 20 200mm RGB Fans in the front & a Riing Plus 14 140mm RGB fan in the rear. These RGB Plus fans are custom-designed to work with our AI Voice Control software, as well as with Amazon Alexa.

The lighting effects can also be synchronized with Razer’s RGB products via Razer Chroma software.


The Thermaltake RGB PLUS Ecosystem is the intelligent lighting system for PCs that combines the most advanced addressable LED lighting with Thermaltake’s patented TT RGB PLUS Software.

TT RGB PLUS ecosystem provides nearly unlimited possibilities for playing with colors, synchronizing lights to games, music, CPU temperatures or other TT RGB PLUS products, including case fans, CPU/VGA waterblocks, AIO CPU coolers, PSUs, LED strips, gaming keyboards, headsets, mice and mouse pad.

The patented software allows users to change the light modes, colors, speeds, brightness, fan speeds, and even supports AI voice control in iOS and Android devices.




Tt LCS Certified

ThermalTake's LCS Certified is a Thermaltake exclusive certification applied to only products that pass the design and hardcore enthusiasts standards that a true LCS chassis should be held to. The Tt LCS certification was created so that we at Thermaltake can designate to all power users which chassis have been tested to be best compatible with extreme liquid cooling configurations to ensure you get the best performance from the best features and fitment.

TT Premium Case

Achieving the corporate mission of delivering the perfect user experience, Thermaltake developed "TT Premium" with the essence of combining supreme quality products with a new logo. TT Premium is far more than just a guarantee of quality. Behind the name, it represents the passion in DIY, Modding and Thermaltake’s desire to be the most innovative brand in the PC hardware market. To satisfy the demand of the high-end PC users, TT Premium follows its core values of Excellent Quality, Unique Design, Diverse Combinations and Boundless Creativity to provide a high performance PC product for every enthusiast.


DMD: Dismantlable Modular Design


Strip your case down to the bones and install elements when and as you need them with our modular design. The level 20 GT RGB features modular panels, racks, brackets, and pre-design mounting arrays. No more unreachable screw corners or gaps, installation can be a breeze with our Dismantlable Modular Design.

Patented TT RGB PLUS Software & App

Monitor the fan performance, adjust the fan speeds, and customize the lighting effects for Thermaltake Plus RGB liquid cooling products with the patented TT RGB PLUS Software and an exclusively designed mobile app. Choose a function from below and scroll down to read the details.

SyncALL, Say “Hello TT” - Thermaltake AI Voice Control
Talking to TT RGB PLUS App is an easier, faster way to set lights for your systems. You can ask it to turn the lights on or off, switch lights modes, dim the lights, change light colors, or adjust lights speeds or fan speeds.


2x Riing Plus 20 RGB Fans & 1x Riing Plus 14 RGB Fan Installed

Thermaltake Riing Plus 20/14 Fan TT Premium Edition. 120mm/140mm high-static pressure fans with a patented 16.8 million colors LED ring and 12 addressable LEDs, the Riing Plus 20/14 RGB features compression blades and hydraulic bearing, and can be controlled by the patented TT RGB PLUS Software and AI interactive voice control.

Power Cover Design

The Level 20 GT RGB is designed with a removable power cover, which can be used to organize unused cables to make for a tidy-looking system.


Conveniently control all devices and customize the lights at the same time by setting up to five profiles for each controller. Each controller your system connected is displayed at the top left of the interface for you to quickly access. Within each profile, you can check which device is set to what operating mode and lighting effect. You can even "SAVE" and apply the settings to other controllers your system is running.

Sync with Razer Chroma Lighting

All Thermaltake TT RGB PLUS products are able to connect into the Razer Chroma ecosystem. Users who have installed both the TT RGB PLUS Software and Razer Synapse 3 can experience synchronized gaming and RGB lighting effects on their TT RGB PLUS liquid cooling system and gaming gear! From cooldown timers, health bars, and flashy ultimate indicators, to subtle ambient lighting that sets the perfect mood for each game, Razer Chroma provides an experience that transcends the screen and into your full setup, for a truly immersive experience.

Works with Amazon Alexa


All Thermaltake TT RGB PLUS products support Amazon Alexa Voice Service, allowing you to control the lights or fan speeds by talking to the Alexa-enabled device. With the support of Amazon Alexa, TT RGB PLUS products also offer an additional visual cue for checking current weather condition in your location or anywhere in the world. All you have to do is simply starting the sentence with "Alexa, tell Thermaltake", then the lighting color will correspond to the weather condition in the location.

Superior Hardware and Liquid Cooling Support

The Level 20 GT RGB supports up to E-ATX motherboards, CPU coolers up to 200mm in height, VGA lengths up to 310mm and PSU sizes up to 220mm in length. On top of this, the GT is also fully capable of housing a complete liquid cooling system, including our range of PR-22 pumps and RGB Plus hardware.

Patented Rotational PCI-E 8-Slot Design

Our brand new patented rotational PCI-E system allows you to stack multiple GPUs either vertically or horizontally, depending on how you want to build your system.

Vertical Radiator Placement

Whether you’re building a custom loop or running an AIO CPU cooler, the Level 20 GT RGB lets you mount your radiator against the back panel to show off your RGB fans. The back panel provides adequate exhaust while putting your RGB fans on display, with support for up to a 420mm radiator as well as radiator support on the front and top of the chassis.

Four Tempered Glass Panels

The Level 20 GT RGB features tempered glass panels on the front, top and both sides. The left and right hinged doors are also equipped with smart lock security systems to secure the inner components of your case.

Modern I/O Support (USB Type-C & USB 3.0)

The top-right panel features two USB 3.0 and two USB 2.0 data transfer ports, along with one USB 3.1 Type-C port.

Level 20 GT RGB Plus Radiator Support List


Level 20 GT RGB Plus Fan Support List



Make and Model Thermaltake Level 20 GT RGB Plus E-ATX Tower Case
Part Number CA-1K9-00F1WN-01
Color Black
Material Chassis: SPCC Steel
SPCC Steel is a high grade commercial quality cold-rolled Carbon Steel that follows JIS G3141 Japanese Standards
Motherboard Support E-ATX: 12 x 13"
ATX: 12 x 9.6"
Micro ATX: 9.6 x 9.6"
Mini ITX: 6.7 x 6.7"
Expansion Slots 8
Drive Bays 5.25" Bays: None
Visible Bays: 4x 3.5" / 2.5" Combo Bays
Hidden Bays: 3x 3.5" Bay, 6x 2.5" Bays
Tempered Glass Panels 4x 5mm Tempered Glass Panels (Left, Right, Front & Top)
I/O Ports  
Front Panel 1x USB 3.0 Type-C port
2x USB 3.0 Type-A ports
2x USB 2.0 Type-A ports
1x 3.5mm HD Audio Out port
Thermal Solutions  
Included Fans Front: 2x 200mm RGB LED Fans
Rear: 1x 140mm RGB LED Fan
Fan Support Front: 3x 120mm / 3x 140mm / 2x 200mm Fans

Top: 3x 120mm / 3x 140mm / 2x 200mm Fans

Rear: 1x 120mm / 1x 140mm Fan

Bottom: 2x 120mm Fans

Radiator Support Front: 1x 360mm / 420mm Radiator or 1x 360mm Radiator w/ 200mm Fan

Top: 1x 360mm / 420mm Radiator or 1x 360mm Radiator w/ 200mm Fan

Rear: 1x 120mm / 140mm Radiator

Bottom: 1x 240mm Radiator

Right Side: 1x 360mm / 1x 420mm Radiator or AIO Cooler: 1x 360mm / 1x 280mm Radiator
Component Space CPU Cooler Height: Up to 200mm

Video Card Space:
Without HDD Cage: Up to 410mm
With HDD Cage: Up to 310mm

ATX Power Supply: Up to 220mm (without Bottom Fan)
Power Supply Fits ATX PS II Power Supplies up to 220mm long without Bottom Fan
(Power Supply not included)
Dimensions & Weight  
Dimensions (LxWxH) 592 x 294 x 580mm
Weight 20.1kg