CDs are considered lossless.

"Lossy" and "lossless" are descriptors applied to data compression systems. So no one referred to CDs as "lossless" until MP3 (which is lossy) became popular, because there was nothing to contrast it with. CDs are not compressed at all.

If you buy music on BandCamp, FLAC (lossless) is often (always?) one of the download format options. FLAC is decompressed into a bitstream that matches the original exactly. You can put those files wherever you like.