A major feature that distinguishes the PlayStation 3 from its predecessors is its unified online gaming service, the PlayStation Network,[5] which contrasts with Sony's former policy of relying on video game developers for online play.[6] Other major features of the console include its robust multimedia capabilities,[7] connectivity with the PlayStation Portable,[8] and its use of a high-definition optical disc format, Blu-ray Disc, as its primary storage medium.[9] The PS3 was also the first Blu-ray 2.0-compliant Blu-ray player on the market.[10]
The PlayStation 3 was first released on November 11, 2006 in Japan,[11] November 17, 2006 in North America and South America,[12] and March 23, 2007 in Europe and Oceania.[13][14] Two SKUs were available at launch: a basic model with a 20 GB hard drive (HDD), and a premium model with a 60 GB hard drive and several additional features[15] (the 20 GB model was not released in Europe or Oceania).[16] Since then, several revisions have been made to the console's available models, most notably with the release of a new slim model in September 2009.
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