This product is not recommended. The DVI switch should be as described, used for switching two PC to a monitor. Already at the first switch I had streaks on the monitor. I assumed that in the end is not 100% separation of the two PCs would be made through the switch. So I switched from a PC. In vain, it came out a color totally false picture. At the end of the monitor remained black, regardless of the PC has been running. Meanwhile, I have brought upon me a Amazon "CS9-2L DVI switch from Transmedia. Costs a double, but it works immediately right away without loss of quality.
