Xiaomi Mi A1 RAM and Storage
Xiaomi Mi A1, co-developed by Google and Xiaomi was launched in September 2017.
It has 4 GB of RAM with 64 GB of internal storage that can be expandable up to 128 GB via a microSD card.
4 GB is equal to 0.004 TB in decimal and 0.00390625 TB in binary bases.
And also, 64 GB is 64000000 KB in decimal and 67108864 KB in binary bases.
If you want to convert 128 GB to gibibytes, it will be 119.209289551 GiB.