In case you have been looking for an alternative source of Micron MT41K512M16HA-125 IT:A DDR3L SDRAMs, for which the last time buy date was January 13, 2019, please be aware that the same device, manufactured by Micron, is available from Alliance Memory under part number AS4C512M16D3L-12BIN.
As shown in the photo to the right, AS4C512M16D3L-12BIN DDR3L SDRAMs are genuine MT41K512M16HA-125 IT:A devices from Micron Technology. They differ only in the etched top marking on the part.
