no

https://www.dell.com/support/home/en-us/product-support/product/vostro-3668-desktop/docs

This is a tiny sub compact unit

75W and up video is not supported

can you give name PSU compatible with my pc please and thanks so much

someone says the EVGA 500w ?? whats you think

with Power 24 Pin to 8 Pin Adapter Cable cab359 perhaps  but it doesnt fit inside the case

https://www.moddiy.com/products/Dell-Inspiron-3650-PSU-Main-Power-24-Pin-to-8-Pin-Adapter-Cable-30cm.html

https://www.youtube.com/watch?v=SCQTj1ei3Ew

https://www.dell.com/support/manuals/us/en/04/inspiron-3668-desktop/inspiron_3668_sm/before-working-inside-your-computer?guid=guid-5d3b1051-9384-409a-8d5b-9b53bd496de8&lang=en-us

https://www.dell.com/support/manuals/us/en/04/inspiron-3668-desktop/inspiron_3668_sm/procedure?guid=guid-87f00b14-6cfa-4c18-9862-886e406a830f&lang=en-us

so the PSU stay Outside the caise