MT18VDDT12872AG-335D1 vs MT18VDDT12872AG-335F1 vs MT18VDDT12872AG-40BD1

PartNumber	MT18VDDT12872AG-335D1	MT18VDDT12872AG-335F1	MT18VDDT12872AG-40BD1
Description	MODULE DDR SDRAM 1GB 184UDIMM	MODULE DDR SDRAM 1GB 184UDIMM	MODULE DDR SDRAM 1GB 184UDIMM