The PSU
The PSU case is bigger than the ATX standard, this was required to accommodate all the high-powered components and still have enough space for cooling.
When you hold the Toughpower 1200W in your hands it feels extremely sturdy and rock solid. The metal casing has a matte finish to it which doesn't take fingerprints and seems to be reasonably scratch proof.
The back has the modularity feature. As you can see the mainboard power cable and the 4 Pin CPU cables are fixed to the PSU, it would make any sense to remove them anyway. While this may not look as "clean" first it makes sense because there will always be small losses when electricity passes across the connection.
The back of the unit has the plug for main AC power and a big red switch which is illuminated when the unit is turned on.
The ATX 20+4 pin connector uses a construction where the +4 pin part can be clipped and folded away. Maybe it is just a manufacturing issue and it is supposed to seperate completely, because like this it could easily get in the way on a motherboard. Cutting through the plastic to seperate the +4 plug is easy and perfectly safe.
The 12V connector can be completely seperated. It required me a lot of force to do so, which is good, because there is nothing I have more is having to keep the two cables together while trying to plug them into a motherboard with little care around it.
Thermaltake includes a vibration dampener made from rubber. It goes between your case and the PSU and helps reduce vibration transmitted to the case, which would be amplified by it.