IBM 44P3587 server / storage / networking hardware Server Hardware / Parts

The IBM 44P3587 is a 512MB memory kit made up of two 256MB SDRAM DIMMs, IBM feature code 4120, built to the PC100 standard on a 200-pin, 10ns, ECC-capable module for IBM’s pSeries/RS6000 servers of that generation. It is documented consistently across multiple specialist IBM hardware resellers as this exact feature code and kit configuration, sold as a matched pair since PC100 SDRAM of this era typically populates memory in matched-pair banks rather than single modules. Genuine feature-4120 kits remain a routine requirement for expanding memory or replacing a faulty pair on legacy pSeries systems still running this generation of SDRAM, since later DDR-based memory is not backward compatible with these memory slots. Tech-Star (UK-based, shipped worldwide) supplies IBM legacy server memory to support ongoing pSeries maintenance.