configuraration

Help required to assemble a desktop. It will be used to run few PHP & python codes for 12 hours continuously and also live streaming of webinars and you tube. Lot of mathematical models involved in the codes.

So, I happened to have a cheap 4 gb ddr4 memory stick of adata which would be not more than 2400mhz and which even gave me some BSoD (but rarely) and even refusing to be detected (again rarely) Now I recently purchased -: https://www.amazon.in/dp/B07B4FRMGV/ref=cm_sw_r_cp_apa_i_h3KjFb2800PQJ...

Hi, Since yesterday i have been hearing some strange screeching noise.Could anyone tell me what the problem is.I disconnected the rear fan,but that didn't seem to solve the problem.I think its a problem with my power supply.I have uploaded a low quality video of the problem on youtube...