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  • ATLONA AT-DP400 Dual Link DVI to Mini DisplayPort Converter (Discontinued by Manufacturer)
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ATLONA AT-DP400 Dual Link DVI to Mini DisplayPort Converter (Discontinued by Manufacturer)


List Price: $199.00
Price: $96.49 & FREE Shipping. Details
You Save: $102.51 (52%)
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  • 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
11 new from $96.49 7 used from $74.98

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Frequently Bought Together

ATLONA AT-DP400 Dual Link DVI to Mini DisplayPort Converter (Discontinued by Manufacturer) + Kanex Extension Cable for Apple LED Cinema Display 24-Inch 27-Inch (6 feet) + StarTech.com DP2MDPMF6IN 6in DisplayPort to Mini DisplayPort Video Cable Adapter - M/F
Price for all three: $129.18

These items are shipped from and sold by different sellers.

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Special Offers and Product Promotions

  • Buy Used and Save: Buy a Used "ATLONA AT-DP400 Dual Link DVI to Mini DisplayPort ..." and save 62% off the $199.00 list price. Buy with confidence as the condition of this item and its timely delivery are guaranteed under the "Amazon A-to-z Guarantee". See all Used offers.

Technical Details

  • Brand Name: Atlona Technologies
  • Model: AT-DP400

Product Details

  • Product Dimensions: 2.5 x 4.4 x 1 inches
  • Shipping Weight: 6.4 ounces (View shipping rates and policies)
  • Shipping: This item is also available for shipping to select countries outside the U.S.
  • ASIN: B003CWEXWO
  • Item model number: AT-DP400
  • Average Customer Review: 4.0 out of 5 stars  See all reviews (81 customer reviews)
  • Date first available at Amazon.com: March 18, 2010

Product Description

The Atlona AT-DP400 is a DVI to Mini DisplayPort converter designed to convert signal from any Mac or PC computer 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-inch and 27-inch LED which can support resolutions up to 2560x1600. Users can use the connected monitor as their main display or extend their desktop using it as an additional screen. The Atlona DVI to Mini-Display Port Converter is compatible with all Apple and PC Computers which have a DVI or Mini-DVI connections. The DP400 features an attached DVI cable and uses USB as power source, leaving no need for an external power supply.

Customer Reviews

Very disappointed with false information in the description of this converter.
Jack Daniels
I also found that the display did not seem to work immediately, I had to plug and unplug the cable a couple of times to get it to work with the iMac display.
Jeff Saunders
This devices works perfectly for hooking up my 27" Apple Cinema Display to my early 2008 model MBP.
Brian Stickney

Most Helpful Customer Reviews

19 of 19 people found the following review helpful By Paul Pearce on June 16, 2010
Verified Purchase
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.
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12 of 13 people found the following review helpful By Mark Stebbins on November 12, 2010
Verified Purchase
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 doing. It's a little expensive but in my opinion totally worth it.
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7 of 7 people found the following review helpful By Jeff Saunders on February 21, 2011
Verified Purchase
Before you buy the AT-DP400, make sure your source is capable of outputting the higher resolutions (specifically, 1920 x 1080 and 2560 x 1440). If your source is not capable of outputting at either of these two higher resolutions, you're wasting your money - buy the AT-DP200 instead (which has a maximum resolution of 1280 x 720 aka 720p). I received the AT-DP400 in Dec 2010. The actual converter box (and packaging) was professional looking. I didn't like that the circuitry inside the converter box seemed to be loose. When inserting the display cable (Mac mini-DisplayPort) cable into the box, the innards moved which was a bit unsettling - made the thing feel cheap. I also found that the display did not seem to work immediately, I had to plug and unplug the cable a couple of times to get it to work with the iMac display. However, once the display was working, there were no issues. Unfortunately, about a month and half after getting the AT-DP400, it mysteriously stopped working (just outside of the Amazon return period!). I managed to contact Atlona and got a return authorization number. They wouldn't pay the return shipping cost but have promised to send me a new one. I'll write an update to this review when (if?) I get the replacement. This conversion box was really promising to me (I used it to connect a work laptop to my home iMac 27") but so far the experience is disappointing. Oh well...
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5 of 5 people found the following review helpful By John Townsend on August 15, 2012
Verified Purchase
I've been frustrated beyond belief with the trouble I've had trying to set up three different computers to share dual 30" monitors through a Mini DisplayPort KVM switch. This seems to push almost every single piece of equipment to its breaking point (though everything claims to support this), resulting in flickering displays, with the exception of this DVI-to-MDP adapter from Atlona. It just works, connecting my 2007 MacBook Pro's dual-link DVI output to the KVM without ever a hint of trouble on the 2560x1600 displays on an Apple Cinema 30" or Dell U3011 . The output signal is stronger and cleaner than the built-in DP output of either of the other two computers, which are current models from Apple and Dell. The construction of the AT-DP400 feels a bit clunky with its metal housing, but I love the fact that it hasn't given me a bit of trouble.
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4 of 4 people found the following review helpful By Mustangjim1 on January 25, 2012
Purchased the DP400 to use 27" Apple Cinema Display on my PC running Windows 7. Giving it a 4 because the wires are too short and has a few quirks. Would be nice if they listed these quirks on the website.

Plugged it in and worked excellent right out of the box at FULL Resolution. The sound and Isight Camera take some tweaking. (Isight camera tweaking is Windows fault). When I plugged the DP400 in my speakers were not balanced and the app to control audio BALANCE had no effect. Quick call to Tech support at Atlona, told me to pull USB and try different USB port. That worked great. The Isight camera works even though windows has the ! saying no driver installed. Go to Yahoo Messenger or Skype, try it out, you will see it works fine. IF you want to eliminate the annoying ! (No driver found): Go to Devices, Right Click on Display Audio (what Windows 7 named the camera), Properties, Hardware, Display Audio (yes Display Audio again), Change Settings, Driver, Update Driver, Browse My Computer, Let Me Pick from List. NOW choose Image, Generic, 1394 Desktop Camera. You are done ! is gone. Driver is useless but it does eliminate the annoying !.

Read a lot of reviews that stated they can't get full resolution. Verify: Graphics card supports DUAL DVI, and is capable of 2560-by-1440 resolution. Single link max resolution is 1920 x 1200. So if you are getting that resolution, that is the problem.

IMPORTANT:
PC OWNERS do not throw away that old monitor! With the Apple Cinema displays you will NOT be able to view your Bootup screen or be able to see the BIOS information. Apple Cinema only displays 3 resolutions, lowest being 720p (may be wrong on the exact number but know its not low enough for a PC).
Read more ›
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4 of 4 people found the following review helpful By Chip in San Diego on January 24, 2011
Verified Purchase
The adapter has worked perfectly from plug-in over a month ago, with nothing else to do. Without it, the Mac Pro (2008) could not connect to current Apple displays.
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