I have this list of low profile GPUs:
HD 6670 - max power 66 Watts PSU 400 watts & 27amps
HD 6570 - max power 60 Watts PSU 400 Watt & 27 Amps
HD 6450 - max power 18 watts PSU 300 Watt & 22 Amps
HD 5670 - max power 64 Watts PSU 400 Watt & 26 Amps
GT 630 - max power 65 Watts PSU 300 Watt & 22 Amps
R7 240 - max power 30 watts PSU 400 Watt & 18 Amps
Will they run on my pc (ThinkCentre m58e 7306) with no issue regarding with the power supply?
Specs:http://support.lenovo.com/en/documents/pd003645#pow
Intel core 2 duo E7400. 2.80 ghz
Q45/Q43 express chipset
4.0 GB Ram DDR2
Power supply:
Tower 280 Watt Robust/80plus
Type 110/220 volt (50/60Hz), 280 Watts
Type(ES4) - only 280w 80+/110/220 volt (50/60Hz), 280 watts
HD 6670 - max power 66 Watts PSU 400 watts & 27amps
HD 6570 - max power 60 Watts PSU 400 Watt & 27 Amps
HD 6450 - max power 18 watts PSU 300 Watt & 22 Amps
HD 5670 - max power 64 Watts PSU 400 Watt & 26 Amps
GT 630 - max power 65 Watts PSU 300 Watt & 22 Amps
R7 240 - max power 30 watts PSU 400 Watt & 18 Amps
Will they run on my pc (ThinkCentre m58e 7306) with no issue regarding with the power supply?

Specs:http://support.lenovo.com/en/documents/pd003645#pow
Intel core 2 duo E7400. 2.80 ghz
Q45/Q43 express chipset
4.0 GB Ram DDR2
Power supply:
Tower 280 Watt Robust/80plus
Type 110/220 volt (50/60Hz), 280 Watts
Type(ES4) - only 280w 80+/110/220 volt (50/60Hz), 280 watts