Which CUDA version Tesla K80 supports

Accelerated Computing GPU-Accelerated Libraries
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  1. Which CUDA version Tesla K80 Supports ? Will it support 10.1, 10, 2 and 11.0 as well?
  2. What CUDA driver version should be installed for CUDA versions 10.1, 10, 2 and 11.0 ?
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K80s have a compute capability of 3.7, which is supported in 10.X and 11.0. Note that it is deprecated in 11.0.

You can use the latest driver provided for your platform, but start with the one that comes with a particular toolkit you need to use.

All that being said, try CUDA 11.0 and R450