Really quiet file server

[ZXSpectrum]

Looking at a file server but i really need it to be pretty much silent and cheap... Doesnt have to be mega.. Its only going to be running XP Pro and with a couple of decnet hdds in it. So wondering if i should go for one of the Celeron 4xx series or one of the AMD Sempron LE1xxx series as both are silly cheap but the sempron only runs at 45w so would be close to running passive...

Anyone got any ideas?

 

[ZXSpectrum]

I have seen mobos what have the SIS chipset for £27 but the difference between the celeron/sempron is about £20 and not worth the extra for a machine that is going to be used remotely anyway...