Samsung HP 1GB PC2100 DDR-266MHz ECC Registered CL2.5 184-Pin DIMM 2.5V Memory Module ( M312L2828ET0-CB0Q0 261585-041 ) REF.
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.