I looked into your unit and you should be fine , it's made by FSP and is decent.It will do the job.No worries.
500W 20+4 pin ATX, 1x 4+4 pin CPU, 1 x PCIe 6-pin, 1 x 6+2-pin PCIe, 2 x 4-pin Peripheral, 4 x SATA, 1 x Floppy
TECHNICAL SPECS
Fan Type 120mm double ball-bearing
Continuous Power 500W
Rail Design Dual +12VDC @ 37A (Combined)
Cables Non-Modular
Dimensions (W x L x H) 150 x 140 x 86mm
Weight 3.41lb
Temperature Rating 30°C ambient
Compatibility ATX12V v2.2
Protection Overvoltage/Overcurrent/Short-Circuit
Features ErP compliant for low power usage in standby, 0.98 Active PFC
MTBF 100,000 hours
Efficiency 80% at typical load
Support SLI™-Ready
Warranty 3 years
Enjoy your new card when you get it.