New Retina MacBook Pros can drive 4K displays at 60Hz – when running Windows, Mac OS needs new drivers

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Tests by French site Mac4Ever.com found that current model Retina MacBook Pro machines can use their Thunderbolt 2 connections to drive the Sharp PN-K321 4K display at 60Hz when running Windows 8.1 with the latest NVidia drivers, rather than the 30Hz possible with OS X. This suggests that OS X will be able to do the same when Apple updates the rMBP video/Thunderbolt 2 drivers.

While 30Hz is good enough for movies, our own Seth Weintraub found on his bargain Seiki that it gives a poor experience when scrolling webpages, and is of course completely unusable for games. 60Hz, in contrast, gives a smooth experience when using a computer. The mystery had been why the latest Retina MacBook Pros, with Thunderbolt 2 support, were limited to 30Hz when the specs should have made them capable of double this – and the video drivers appear to be the answer …

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The Apple Store begins offering Retina 15″ MacBook Pro refurbs starting at $1869

From 9to5Toys.com:

Screen Shot 2013-01-04 at 9.47.36 PM.

This evening, Apple began offering refurbished Retina MacBook Pros at the online Apple Store at significant 15% discounts, yielding savings of over $500 on high end models (below). 15-inch Retina MacBooks normally retail at $2200 but we’ve seen them as low as $2,000 (which is also the EDU discount price).

Apple refurbished products are packaged and look like new and come with the same one year of AppleCare. See all of the best prices on Apple Products on our Apple product pages.

Thanks Jason! Read more