Which tier is this power supply, and can it support my current computer

I have the PSU bolded below. This is b/c my computer restarts while I play games, and only when I play games. So I'm wondering if I should've chosen a better psu.

CPU: Intel - Core i7-4790K 4.0GHz Quad-Core Processor
CPU Cooler: NZXT - Kraken X62 Liquid CPU Cooler
Motherboard: ASRock - Z97 PRO4 ATX LGA1150 Motherboard
Memory: Corsair - Vengeance Pro 16GB (2 x 8GB) DDR3-2400 Memory
Storage: Samsung - 850 Pro Series 512GB 2.5" Solid State Drive
Storage: Western Digital - Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive
Video Card: MSI - Radeon R9 390 8GB Video Card
Case: Phanteks - Enthoo Pro ATX Full Tower Case
Power Supply: EVGA - SuperNOVA NEX 650W 80+ Gold Certified Fully-Modular ATX Power Supply
Optical Drive: Samsung - SH-224DB/BEBE DVD/CD Writer
Operating System: Microsoft - Windows 10 Home OEM 64-bit
Monitor: Asus - VN248H-P 23.8" 1920x1080 Monitor
Keyboard: Corsair - K70 RGB Wired Gaming Keyboard
Reply to TrueBit
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More about tier power supply support current computer
  1. Best answer
    If you are pertaining to this specific PSU Tier List (, then your EVGA SuperNOVA NEX 650W 80+ Gold falls under Tier 3.

    The NEX650G (product code: 120-PG-0650-GR) is made by FSP for EVGA and is already a discontinued model.
    Reply to raisonjohn
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