3.3V 4M × 64-Bit EDO-DRAM Module 3.3V 4M x 72-Bit.
HYM72V4045GU-50 - 3.3V 4M x 64-Bit EDO-DRAM Module 3.3V 4M x 72-Bit EDO-DRAM Module
3.3V 4M × 64-Bit EDO-DRAM Module 3.3V 4M x 72-Bit EDO-DRAM Module 168pin unbuffered DIMM Module with serial presence detect HYM64V4005GU-50/-60 HYM64.