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@Rafaesp "Also, I don't look for the fastest SSD, I believe a standard one will have a huge impact in comparison with the current one." You are correct there my friend. Even the crappy first generation 110 GB corsair SSD I bought back in 2011 or 2012 was a night and day difference in real world performance and quality of life. Enjoy the upgrade!
Your link to the "wiring info and the device info" is broken. It would be ideal to transpose that information directly into your posted question, for accessibility and to avoid "Link Rot": en.wikipedia.org/wiki/Link_rot
@EdwardNunn Furthermore, a small $30-40 amplifier w/ USB (maybe closer to $80-100 for one with a screen) and an external DVD drive with a USB connection could probably cover all of OP's requested uses. Post is, indeed, vague.