According to TMZ,

Kanye West is a sex tape master -- TMZ has learned, the rapper filmed  himself doing the deed MORE than once in recent years ... and TWO tapes  are currently being shopped to the highest bidder. The reports are true  ... a Kanye sex tape featuring a young woman in a hotel room is making  the rounds -- but what you haven't heard ... there's a second tape and  the 2 are nearly identical. Both tapes are impressively long -- the  first is roughly twenty minutes ... and the second is more than FORTY.  And we're talking constant action. Seriously, the guy takes no breaks.  It's incredible. Almost Sting-like.We're told the tapes were both shot  several years ago with exes. The tapes are currently being shopped to  media outlets by a third party.Sources close to Kanye tell us the rapper  has no idea how the videos were lifted from his computer -- but if  anyone releases the footage ... we're told Kanye plans to go after the  culprits with a legal vengeance.Kanye's current GF Kim Kardashian rose  to fame after her sex tape was released. And now, her boyfriend has  steamy sex tapes of his own. Na wa for these people ooo!!