NVIDIA Geforce GT 555M and GTS 455 Listed In Leaked Drivers
 

A developer driver, GeForce 261.00, has leaked revealing unreleased products. The GeForce GTX 580, which has been all but confirmed, a previously rumoured GeForce GTS 455, and a mysterious GT 555M notebook part. In addition, three instances of "NVIDIA D13U" is also mentioned, suggesting further GTX 500 series cards.

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