The IcyDock ToughArmor 8 Bay 2.5" Drive Enclosure allows you to easily add 8 bays of hot swappable hard drives to a standard optical drive bay in a PC or Server. This is a great product if you want to build an SSD based caching server or any other SSD RAID configuration.
Product Page: http://www.icydock.com/goods.php?id=192