Your PSU should have a square 4 way connector with yellow and black leads. Most motherboards with 8 way connector will also take the 4 way. If your PSU doea not even have a 4 way it is too old to run a modern system. What are your system specs? What is rating of your PSU? Is this an old case?
The PSU again has only one rail but DOES have one 4-pin connector, but my motherboard needs a 8-pin connection for more power. I tried connecting the 4-pin to the 8-pin connection and it wouldn't even spin the HSF's fan one time.
I am curious if I have a PSU that does not provide enough power to my system?
I also have a EVGA 9800 GTX video card which claims to require 450 watts to use and the total output power of the PSU we have is 500 watts.
If you or anyone else can help I'd sure appreciate it a lot.
Does your PU have 24 way main power connector, or is it a 20 + 4 that slot together? What CPU? Raidmax is NOT a good brand. To power up sytem you need at least a 4 way 12V plug connected near CPU. Best advice is to get a decent 550W PSU that comes with 8 way connector. You only paid $60 for case and PSU, you should expect to pay at least $90 for a decent PSU.