New features include a faster processor and an optional SSD cache.
As you could probably surmise from the title above, the only notable difference in Data Robotics’ newest storage robot is the addition of USB 3.0, but the triple interface ensures that eSATA and FireWire 800 users are also taken care of.
The Drobo FS is one of the first entry-level NAS systems to include 5-bays, most products in this class only support 4-bays. This means that the maximum capacity of the Drobo FS is 10TB, compared to 8TB in four-bay NAS units.
StorageNerve has benchmarks for the 4-slot Drobo connected using USB 2.0 and Firewire 800.
Toms Hardware reviews the Drobo USB DAS device.