To accommodate PC user's need for more storage flexibility and convenience, SilverStone created a line of front bay storage products called the FS series. These are 5.25â€ bay chassis designed to fit 3.5â€ SAS/SATA drives. Equipped with release handle made out of finely brushed aluminum, hot-swapping drives is extremely quick and comfortable. Built-in cooling fan behind the chassis ensures drive and run cool for extended life while individual LED indicators let user easily monitor drive status in one glance. For security, each drive tray also has metal key lock. For those that need to upgrade their current PC with more drives, SilverStone's FS series is a great choice.