261583-031 HP 256MB PC2100 DDR-266MHZ REGISTERED ECC CL2.5 DIMM
This 256 GB (1 x 256 GB module) DDR RAM memory module is manufactured by Compaq. Clock speed is 266 MHz. Compaq is a Hewlett-Packard (HP ) brand. HP is a technology solutions provider to consumers businesses and institutions globally. The companys offerings span IT infrastructure personal computing and access devices global services and imaging and printing.