For writing and reading files to the server, RAM or Prots is more important?

Question

Server equipment

I looked at used servers.

HP ProLiant DL380p Gen8 (25 SFF)

storage.

HP ProLiant DL360e Gen8 (8 SFF)

base where db.


An example of a crunchyroll site .
Download / upload and view video, photo, manga, etc. files.

What do you think?
Can you recommend configs?
Why?

UPD.
SO 1
SO 2
Google search request

video streaming server requirements

Quora

Answer 1

Download / upload and view video, photo, manga, etc. files.

build on current loads, plan future growth relative to them. If there is no such data, then you do not need a server, take a VPS, if there is not enough disk on it, then add various Object Storage, such as S3