- Non-Interference Cooling design
- 120mm fan enhance air pressure with low noise level

- Non-interference cooling design supports up to 160W
- Low profile 120mm PWM fan
...

- Non-interference cooling design supports up to 180W
- Low profile 140mm PWM fan
-...

Ultimate overclocking Thermaltake structure design, support up to 220W

Ultimate overclocking Thermaltake structure design, support up to 230W