Ideal psu for my intel build?

Feb 8, 2019
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CPU: I5 8400
GPU: XFX RAEDON RX 580 8GB XXX EDITION
MOBO: ASUS TUF Z370 GAMING PLUS
RAM: PATRIOT VIPER 2X8 (16)GB 3400MHZ
SSD: SILICON POWER A55 1TB 3D NAND
HDD: USING MY OLD ONE( SEAGATE 500GB)
PSU: ?????

I play only games. Neither rendering nor overclocking. So which is the best and ideal psu for my rig?
 
MERGED QUESTION
Question from geniusgamer0404 : "Budget psu for my gaming rig?"

I5 8400, Rx 580 8gb , 2x8gb 3400mhz ram, 1tb 3d nand ssd, asus tuf z370 plus gaming are the components for my planned gaming rig. My budget is 70000 inr( 983 usd). Excluding a psu, my rig costs 888 usd. Should i need a 600w psu? If not what is ideal psu? And also i have an another question. Does the thermaltake smart 600w 80+ white certified psu suit for my gaming rig? I neither render nor overclock.
 
Please anyone reply for this question. Does the thermaltake smart 600w 80+ suits the rig? And thanks for all the one who answered my questions. I started to ask questions in this website since yesterday. Really loved it. Well done tom's hardware.