I can't guess what else is in the system but it looks like any 1 kilowatt PSU will do for this round.
HOWEVER I'd look to find reviews on said power supplies and see if they mention anything about the noise level.
I'll be getting 2 of these: Quadro K6000 graphics cards,
and wondering which of these PSUs might be best at handling them (and why):
Rosewill 1600W Intel Haswell Ready 80 Plus Silver Modular Gaming Power Supply HERCULES-1600
LEPA G Series 1600-Watts ATX12V/EPS12V SLI Ready Crossfire 80 Plus Gold Certified Full Modular 240-Pin 1700 Power Supply (G1600-MA)
Coolmax 1600-Watts 80 PLUS Power Supply with Active PFC, Silver ZPS-1600B
Rosewill 1300W 80 PLUS GOLD Certified Power Supply LIGHTNING-1300
EVGA SuperNOVA 1300G2 ATX12V/EPS12V 1300W 80Plus Gold Power Supply 120-G2-1300-XR
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