NEW OLD STOCK!! Was gifted by an old timer pc builder a big box of brand new ram! The Infineon HYB39S128800CT-7 256MB PC133 CL3 168-pin DIMM SDRAM is a new old stock memory module that offers a capacity of 256 MB. It features ECC memory, a bus speed of PC-133, and a form factor of DIMM. With 168 pins, this SDR SDRAM module is designed for optimal performance in various computing systems requiring reliable and efficient memory storage. Infineon, a trusted brand in the industry, ensures the quality and compatibility of this memory module for your computing needs. New Old Stock.