Is the 8-pin necessary for i5-750? Can 4-pin handle it?

[k0rben]

Its on 2-38, and this is it :

Well it says, use ATX 2.0 or higher (& minumum power of 600w what i think is crap)
The mentioned PSU is 2.2...
http://www.arctic-cooling.com/catalo...th=38_&mID=238

it also says dont forget to plug your 8-pin. But if my psu dont have 8-pin, i will use 4-pin huh? As elpibe said, that the plastic lid is there for some reason. (but not because of dopey users imo)

then i dont understand what is this for ...
http://www.plinkusa.net/web4-to-8.htm
for a better feeling? lol.