what is ECC DIMM - A DIMM with a 64 bit data bus using 8 ECC bits for a total bus width of 72 bits (x72 DIMM). A DIMM with a 32bit data bus has  4 ECC data bits for a total bus width of 36 bits. (x36 DIMM)

RAMpedia is a DRAM memory encyclopedia and reference tool
to help computer hardware board designers with DRAM memory subsystems.
This information is provided as a courtesy by Virtium Technology.
www.virtium.com