what is Beveled Edge - the long edges on both sides of a DIMM near the gold fingers at the bottom of the PCB  are  tapered to remove the sharp 90° edge of the PCB. This helps in the insertion of a DIMM into the memory socket (slot). (Often used on small DIMMs: SO-DIMM, mini-DIMMs etc..) 

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.
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