Samsung M471B5173BH0CK0 4GB Memory Module - DDR4 - 2400 MHz - 260 Pin - PC-19200 - non-ECC Unbuffered - CL17 - SO-DIMM - 1.2 Volts

This means the product was tested and repaired as required to meet the standards of the refurbisher, which may or may not be the original manufacturer. Any exceptions to the condition of the item outside the manufacturer’s information should be provided in the listing, up to and including warranty details.