Hynix IBM 128MB SODIMM CL3 Non Parity PC 133 133Mhz DDR SDRAM Memory Module (HYS64V16200GDL-7.5-D 19K4653). This is a seller refurbished part in great working condition. May show signs of cosmetic wear but this should not interfere with the effectiveness of the product. Taken from a working environment.