:doc:`Instance <index>` / Attribute / capacity_block_id

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capacity_block_id
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.. py:attribute:: EC2.Instance.capacity_block_id

  

  - *(string) --* 

    The ID of the Capacity Block.

     

    .. note::

      

      For P5 instances, a Capacity Block ID refers to a group of instances. For Trn2u instances, a capacity block ID refers to an EC2 UltraServer.

      

    