Адаптер miniDisplay port -> Dual DVI Позволяет подключить Apple Cinema Display 30` к компьютеру или ноутбуку Apple

Конвертер Apple MB571Z/A Mini DisplayPort + USB to Dual-Link DVI Adapter converter

• The Mini DisplayPort + USB to Dual-Link DVI signal format converter seamlessly connect next generation DisplayPort based MacBook, MacBook Pro, or MacBook Air with a Mini DisplayPort to conventional DVI displays, such as CRT, LCD monitors and projectors, especially for 30-inch Apple Cinema Display, you can enjoy the ultimate widescreen canvas with a resolution of 2560 x 1600 pixels
   
• Features:
• Support Mini display port 1.1a input and Dual-LInk DVI or Single-Link DVI output
• Support Resolution 2560x1600 on the 30-inch Apple Cinema Display!
• Support Dual-Link DVI video resoution to WQXGA 2560x1600
• Support Single-LInk DVI video resolution 1920x1080
• Support deep color 24bit
• Support 268.5MHz bandwith
• Powered from Mini display port source and USB port.
• 1 Year Warranty

Это упаковка китайского

это оригинального Apple (хотя тоже сделано в Китае)