The Tower 900 Super Tower / Showcase

  • The Tower 900 by Thermaltake represents Thermaltake’s passion for innovation
  • the spirit of Watemod France
  • and our vision to expand chassis design for enthusiasts to build into a new era of ESPORTS.

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£249.95 *
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Stock Code: CA-18F-TT

EAN: 4717964406019

MPN: CA-1H1-00F1WN-00

Manufacturer: ThermalTake

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The Tower 900 Super Tower / Showcase

Designed in collaboration with Watermod France, The Tower 900 by Thermaltake represents Thermaltake’s passion for innovation, the spirit of Watermod France, and our vision to expand chassis design for enthusiasts to build into a new era of ESPORTS modding culture. The Tower 900 is the premium choice from TT Thermaltake supporting a vertical mounting design, high quality 5mm thick tempered glass panels, and unrivaled expansion capabilities for massive custom liquid cooling systems.

TT Premium

To continue 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 design. 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.

Tt LCS Certified

Tt 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.

Design Collaboration by Thermaltake and Watermod France

In collaboration with Watermod France, The Tower 900 reflects the passion for creating a new angle of chassis design. Inspiring the concept of vertical mounting, surrounded in durable tempered glass, The Tower 900 expands our vision to create a new era in ESPORTS modding culture, globally.

5mm Thick Tempered Glass Window with Stunning Viewing

The Tower 900 delivers the ultimate experience in PC hardware viewing by taking presentation to the next level. It is the first close frame chassis but designed with an open view among Thermaltake’s case category. The large tempered glass panels feature 5mm thickness, and serve to simultaneously protect and showcase all components in the build. The Tower 900 is the perfect balance between functionality and aesthetics!

Welcome to the Showcase

The entire design of the Tower 900 showcases it's system presentation to enthusiast looking for a streamlined presentation. Unlike most cases on the market, The Tower 900 eliminates the issue with “GPU SAG” allowing vertical mounting of multi-GPU configurations on an E-ATX platform. Constructed with a chamber concept design, isolation of high capacity radiators allows additional interior space without compromising on maximum cooling performance. Capable of supporting dual-loop liquid cooling systems with modular capabilities allowing endless configurations, take on The Tower for your next showcase.

DMD – Dismantlable Modular Design

The Tower 900 enables user to freely build the system from the ground up with given modular panels, racks, brackets, and pre-design mounting arrays. No more unreachable screw corners or gaps and enjoys installation in a breeze with Dismantlable Modular Design.

Superior Expansion

Designed for high-end gaming system compatibility, the Tower 900 supports motherboards up to standard E-ATX, tower CPU coolers with a maximum height of 260mm, and multi-GPU configurations, vertically mounted, up to 400mm in length. Further, a “1+6+2” modular drive bay design allow users to easily install up to one 5.25”, six 2.5”/3.5” (with HDD cage) and two 2.5” (with HDD tray) storage devices. The removable drive device racks give users plenty of flexibility to gain maximum interior space needed for maximum cooling performance and proper cable management improving overall case ventilation.

Unparalleled Cooling Ability

The Tower 900 has the capability to deliver excellent cooling efficiency, and enables users to build extreme air/liquid cooling systems with high-end, large graphics cards, treated by DIY/AIO liquid-cooling systems and air-cooling units. Supporting up to dual 560mm liquid cooling radiators, cooling possibilities just got real. Most uniquely, the right side and left side of the case are designed with various mounting points for radiators to provide proper space and placement when building DIY/AIO configurations.


- Case Type: Full Tower
- Side Panel: Tempered Glass x 3 (5mm thickness)
- Exterior & Interior Color: Black
- Material: SGCC
- Cooling System: Top (exhaust) 140 x 140 x 25 mm Turbo fan (1000rpm, 16dBA) x 2
- Drive Bays: Accessible : 1 x 5.25’’ / Hidden: 6 x 3.5’’ or 2.5’’ (With HDD Cage), 2 x 2.5’’ (With HDD tray)
- Expansion Slots: 8
- Motherboards: 6.7” x 6.7” (Mini ITX) / 9.6” x 9.6” (Micro ATX) / 12” x 9.6” (ATX) / 12” x 13” (E-ATX)
- I/O Port: USB 3.0 x 4, HD Audio x 1
- PSU: Standard PS2 PSU (optional)
- Fan Support: Left Side: 4 x 120mm , 4 x 140mm / Right Side: 4 x 120mm , 4 x 140mm / Top: 2 x 120mm , 2 x
- 140mm / Rear: 2 x 120mm , 2 x 140mm / HDD Cage: 1 x 120mm , 1 x 140mm
- Radiator Support: Left / Right Side: 1 x 480mm , 1 x 560mm
- Clearance: CPU cooler height limitation: 260mm / VGA length limitation: 400mm / PSU length limitation: 220mm
- Dimension (H x W x D): 752 x 423 x 483 mm (29.6 x 16.7 x 19 inch)
- Net Weight: 24.5 kg / 54 lb

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suprisingly poor quality of build

The first impression is of a wow factor, it's well packaged, heavy (27KG) due to the glass and fully constructed in the box. There are no instructions apart from the picture in the box showing an exploded view of the case, which you can use to work out which bits are missing (in my case, the bracket for mounting the Power Supply Unit).

The first thing i did was to take it all apart before deciding on how i wanted it set up.
The glass is heavy and it is difficult to get a hold of it to remove, a side panel fell 2 inches onto the desk and shattered, so it is recommended that you place a rolled up towel under the glass before you attempt to remove it.

the tray that the motherboard mounts to is easy to remove and made putting the motherboard in place, a really easy task. likewise, the rear panels are easy to remove and the case opens up to gain great access to the inside.

All the non-glass panels have a magnetic sheet that should collect dust before it can get inside the case, which is a welcome feature.

The front lower panel that has an opening for a CD drive or a fan control unit (as depicted in the image on this web page) was (in my case) about 2mm lower than the space behind the front panel, which meant that I needed to cut and re-shape the entire front lower panel to allow the CD drive that i wanted to fit. luckily for me I have access to a workshop with the appropriate tools for this task.

it may be helpful to know if you are reading this after having a similar experience with this case, you can get a toughened glass replacement made, but postage will be about £60 which means that you'll be paying £100+ for a replacement, I went for a 5mm clear polycarbonate replacement (i will have to drill the holes in it myself, but i have that option) for just under £18 (including delivery) from

chris ward 2017-12-12

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