Paying For a Faster CPU Speed – Intel's Secret Processor That Cost $50 To "Unlock"

10 Years ago Intel extended their upgrade service to Sandy Bridge Processors. This allowed users of certain PCs to buy an upgrade card for $50 and unlock hidden features of their CPU. Today we’re talking about the i3 2102, which had the potential to be unlocked to a 2153 clocked at 3.6Ghz.

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