The Infineon HYS64V8301GU-7.5-C2 PC133-333-520 64MB Sync 133MHz CL3 SD-RAM Module is a DDR1 SDRAM DIMM memory module with a total capacity of 64 MB. It has 1 module with 64 MB capacity per module and a bus speed of PC-133. This module is designed for computers that require reliable and high-performance memory, with features like sync memory technology for improved stability and efficiency. Made in Italy by Infineon, a trusted brand in computer components, this RAM module is a quality choice for enhancing the performance of your system. No box.