The FireStore FSHDD2GB 2GB (9 minutes recording time) Solid-State Hard Drive for the FS3 Recorder slots directly into the FS-3 enclosure. Solid-State hard drives provide faster access times than a disk, because the data can be randomly accessed and does not rely on a read/write interface head synchronising with a rotating disk. Solid-State also provides greater physical resilience to physical vibration, shock and extreme temperature fluctuations.