Micron/HP 256MB PC100 100MHz non-ECC Unbuffered CL2 144-Pin SDRAM SoDimm Memory Module (MT16LSDF3264HG-10EB2 33L3070). 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.