AT-DP400 is HDCP Compliant, which means that you can play copy protected material through our converter * Supports Dual Link resolutions up to 2560x1600 or more common 2560x1440 used by iMac 27-inch or 27-inch LED * True pixel to pixel signal * Our converter is only hardware based, therefore will never have any issues with new operating systems or updates. * The DP400 does not change frame rate or refresh rate, and does not scale video, preventing any delays or video artifacts The Atlona AT-DP400 is a DVI to Mini DisplayPort converter designed to convert every Mac or PC computer's with a dual link DVI output to a digital signal over a Mini DisplayPort connector. The AT-DP400 is specifically designed to work with iMac 27" which can support resolutions up to 2560x1440. Users can use the connected monitor as their main display or extend their desktop using it in addition to their laptop's screen.
I'm using one of these to display the DVI output from my PC on my 27" iMac at full 2560x1440 resolution. Here's what I've observed after using it for about 3 hours.Positives:1. No noticable display lag.2. Perfect picture.3. Plug and Play. No drivers required. The USB is just used for power.Negatives:1. The construction feels very cheap and lightweight.
I recently purchased a 27" apple cinema display to use with my new PC. This thing works perfectly. I spent way too much time trying to get a straight answer from the apple people, who ultimately told me I could try to buy a different product that has been discontinued and it wouldn't allow the display to utilize its maximum resolution or the speakers, web cam or built in microphone. I'm happy to tell you that this magic little box did the trick and I can use everything that this display is capable of doi..
Does what it advertises. Plug in to MacBook Pro 3,1, plug into Apple 24" LED Cinema Display, everything worked. USB plug is used for power, so no extra power cords/bricks needed (you can even get that power from Cinema Display USB outputs if the cables are long enough). Display looks good. With monitor's USB plugged in, Cinema Display iSight works fine (some apps require you to choose which camera to use, so look for that before deciding it doesn't work), as does the speakers (though I'll still use my H..
