A:AnswerNo, not solid state, it's a 5400 RPM hard drive as noted in the specifications.
Key Specs
Hard Drive Capacity
4000 gigabytes
Storage Drive TypeInfo
HDD
Maximum Data Transfer Rate
120 megabytes per second
Rotational Speed
5400 revolutions per minute
A:AnswerThe included software (from Seagate) provides an option for encryption. Too, as with most removable media, myriad software abounds on the Internet to password protect and / or encrypt not only the entire volume but also selected files stored on the volume.