Upgrading an HP Slim's Storage Hello, so I'm wondering if I can upgrade my PC's storage. I'm 90% sure my PC uses an SSD, but I'm unsure if it's storage is actually upgradable or not. I was planning to get an HDD for it if it's storage CAN be upgraded. For reference, my PC's model is the HP Slim Desktop S01-pF2xxx. Any help is appreciated.