" What means 'unbuffered' in term 'unbuffered DDR400 DIMM'? Are there any
'buffered DDR400 DIMMs'? "
In RAM terms, the opposite of 'buffered' is 'registered'. The following
article gives an explaination of this, and also an explanation of ECC /
non-ECC DIMMs. http://www.2cpu.com/articles/44_1.html