There is a seller on ebay who makes 80 wire IDE cables that meet Xbox specs.
Single: https://www.ebay.com/itm/264927666468?hash=item3daeeb6124:g:fDoAAOSwYVZfNwU1
2 pack: https://www.ebay.com/itm/264826912888?hash=item3da8ea0078:g:fYgAAOSwXO5fNwSS
6 pack: https://www.ebay.com/itm/264826924851?hash=item3da8ea2f33:g:OB4AAOSwTNhfNtXj
16 pack: https://www.ebay.com/itm/264830094861?hash=item3da91a8e0d:g:Zy0AAOSwrJpfNwUB