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Platform - Handheld » PlayStation Portable (PSP)
The PlayStation Portable (PSP) was released March 24, 2005 and marked Sony's first entry into the handheld gaming market.
In late 2007, the PSP was upgraded with a new hardware variation known by the model number PSP-2000.
On August 20, 2008, at the Leipzig Games Convention, Sony announced a new revision of the PSP, the PSP-3000.
On June 2, 2009, at E3 in Los Angeles, Sony announced the PSPgo, which removed the UMD drive and instead was the first dedicated gaming handheld to be completely dependent on downloaded software.
In August, 2011, at Gamescom in Cologne, Sony announced the budget priced PSP-E1000 for PAL regions, which removed network support. This would be the last revision of the PSP.