Several online sources are predicting the arrival of a Thunderbolt-equipped Apple Cinema Display in the next refresh of the company's hardware line.

Thunderbolt is a high-speed I/O technology that supports high-resolution displays and high-performance data devices through a single, compact port. Apple's current generation of 15-inch and 17-inch MacBook Pro laptops and new 21.5 inch and 27-inch iMacs support Thunderbolt.

MacRumors has posted images of the LED display, which it says was found on the Apple site. Identifying it in the URL as the "MC914" part that had been previously thought to be a new MacBook, the site said:" The display appears essentially identical to the existing LED Cinema Display from the front, although Apple's new promotional image displays a Lion desktop background rather than the Snow Leopard one found on the images for the current model. The rear of the display will obviously include a Thunderbolt port in place of the current mini DisplayPort connection."

Additional images obtained from Apple, before the manufacturer removed them, show the new display paired with a number of Apple's Mac products, all of which show the same form factor as the current models. An image depicting a MacBook Pro connected to two LED Cinema Displays daisy-chained via Thunderbolt was also found.

Daisy Chained ACD in Thunderbolt

The site later noted that other products on the Apple Store had been revamped to show a Lion desktop background instead of Snow Leopard. These have also been removed.

[Images via MacRumors]