dl380

I have a Proliant DL380 G7 which at boot makes this weird sound a bit similar to a fax machine ( seems to be something like two long beeps but to be honest, they don't sound like beeps, and there are no errors on post at all. Post runs perfectly and the server starts up normally. I can surely...

I am going to upgrade my ram from 6gb to 8gb by buying another 4gb stick to replace the 2gb one I currently have. Do I need to buy the same make of ram or can it be from two different companies as long as it is the same type?