Is my gaming pc build ok and what psu should i use?

Skahry

Commendable
Jun 1, 2016
1
0
1,510
Case: NZXT SOURCE 340
CPU: INTEL® CORE? I5-6500 3.2GHZ 6MB LGA1151
GPU: GIGABYTE RADEON R9 380 4GB GDDR5
MOBO: GIGABYTE GA-Z170-HD3P
Storage: WESTERN DIGITAL CAVIAR BLUE 1TB SATA 7200RPM 64MB
RAM: KINGSTON 8GB PC17000 DDR4 HYPERX FURY KIT OF 2
PSU: ?

It is my first build so i really don't know how powerful PSU i need.