This box which is successful aesthetics and super easy mounting is absolutely to be avoided. Firewire works only randomly [1 out of 10] and in any event disrupts the functioning of the PC. Like, I did not buy the box for the Firewire is not too serious ... But he has two strange features: - While it is supposed to be double insulation [it's still a box all-metal aluminum] and while the decision on the PSU is 3 pin, plug to connect to power is a simple 2-pin plug without grounding. - Because of the fixing which is not strictly to 90 ° of the printed circuit on the back plate which supports connections, the pins of the IDE connectors and Molex the power supply can come into contact with the aluminum plate which ensures the closure of the case. Like, the back plate that supports connections is not fixed, it is simply slipped into a groove, the simple connection of traction son in the back of the case can cause contact. It is the observation of irregular operation of USB that made me think there could be a problem. By isolating the PCB housing cover with rigid plastic glued to the "thermal pad," I got a stable operation of the USB and I could use the DVD player. But frankly, it does not!