@oldcrowe Welcome to HP Forums Community!
Here's the list of upgradeable parts tested and approved by HP for you (see image below)
And yes, you should be able to make use of the recovery media to install the OS on the new SSD once its replaced and it should boot from the new SSD.
You may visit page: 2 Chapter 1 - Product description using this link: Click here
(As an upgrade/custom enthusiast I personally love the idea of upgrading the device as well, However, HP recommends that you go easy on it as the device is equipped with parts that perform at its optimal performance and also, the upgradeable parts listed above are purely for your ease, though the decision to upgrade will be at your own discretion)
I hope that answers your query,
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