Hi, need help to suggest for custom rig

[Budget] MYR2500

[Purpose] Media consumptions, documents, normal gaming (ie gaming with normal settings, no high demand on graphic quality)

[Hardwares that will be re-use] Monitor, keyboard, mouse, 2.1 speakers,

[Monitor resolution] Fine with Full HD, 4k UHD desirable (might upgrade monitor later to fulfill this)

[Games & softwares that use frequently] Media players, Office suites, Dota 2, RPG, FPS with standard graphic quality

[Personal preferences] SFF / low noise but not liquid cooling