Apple announces 27-inch iMac with Retina display, begins shipping units today

The rumors of the 5K Retina iMac were true.

Per 9to5Mac, Apple today announced the first Retina desktop computer with the Retina 5K iMac, complete with a 5,120-by-2,880 pixel resolution that Apple claims is 30 percent more power efficient than the previous model.

The new Retina 5K iMac will start at $US2499 for the all-in-one desktop computer and begin shipping today. The base model Retina 5K iMac will include a 3.5GHz quad-core Intel Core i5, AMX Radeon R9 M290X graphics, 8GB RAM, and a 1TB Fusion Drive.

Apple will continue to sell the non-Retina 27-inch iMac which starts at US$1799 as well as the non-Retina 21.5-inch iMac starting at US$1099.