Hynix 1GB PC3-8500 DDR3-1066MHz non-ECC Unbuffered CL7 204-Pin SoDimm Dual Rank Memory Module (HMT112S6BFR6C-G7 N0 AA). 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