yte) One billion bytes (technically 1,073,741,824 bytes). See giga
it) One billion bits (technically 1,073,741,824 bits). Lower case "b" for bit and "B" for byte are not always followed and often misprinted. Thus, Gb may refer to gigabyte. See Gbps
Bytes, Not Bits
The upper case "B" means bytes in this product package.