How many number of dynamic personalization content can use in one EDM campaign

Hi There,

For one of our EDM campaign we are planning to use more than 7 dynamic personalization content for target audience of approximately 100K.
If we use more personalization content for more than 100K target audience for EDM campaign, what is the impact on EDM campaign sent
How many number of dynamic personalization content can use in one EDM campaign?

Thanks
Naveen