Hynix / HP 1GB PC3-10600 DDR3-1333MHz non-ECC Unbuffered CL9 240-Pin DIMM Single Rank Memory Module (HMT112U6TFR8C-H9 497156-B88). 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.