http://3cbzkrvakrpetjjppdwzbzqrlkmzatjs7jbyazap5gwutj32gcltjpqd.onion
The authors and contributors to OPAL are leading and well trusted storage manufacturers such as Samsung, Western Digital, Seagate Technologies, Dell, Google, Lenovo, IBM, Kioxia, among others. One of the features that Opal Specification enables is self-encrypting drives which becomes very powerful when combined with pre-boot authentication.