1TB OPAL SSD (second drive) FZ-V2S401T1U Features: User-replaceable -- can easily be removed using pull tab or can be securely locked down using locking screw (included) Features protective cage to reduce chance of damaging the drive itself Shock-mounted 2.5” form factor Hardware encryption can be activated (by default it is turned off) Fits into Left Expansion Area Specifications: Weight 3.7 oz . Warranty 1 Year Dimension 5.2" x 5.7" x 0.6"