According to the official ASUS website, the Asus Vivobook 15 X510UF-EJ592T supports M.2 SATA SSD and M.2 NVMe PCIe 3.0 SSD. You can choose either of these options to replace your Intel Optane Memory.
According to the official specifications of your laptop model, the maximum total system memory is 16 GB. This means that you can only add up to 8 GB of RAM in the available slot, since the laptop already has 8 GB of RAM soldered on board . Adding mor...
Your model supports both m.2 SATA and m.2 NVMe SSDs. You can install either type of SSD in the m.2 slot present inside the laptop. [Check Here]However, you may also want to check this website for compatible memory and storage upgrades for your laptop...