240pin DDR2 SDRAM Unbuffered DIMMs based on 1Gb C .
Hynix Semiconductor
HYMP164U64CR6-Y5 - 240pin DDR2 SDRAM Unbuffered DIMMs based on 1Gb C version
240pin DDR2 SDRAM Unbuffered DIMMs based on 1Gb C version This Hynix unbuffered Dual In-Line Memory Module(DIMM) series consists of 1Gb version C DDR2.