Specifications Rack, stack or mount your NAS device for half the cost of a new server. The POPnetserver 4000 delivers 320GB of storage, extraordinary performance, availability, scalability and reliability; an advanced feature set normally found in high-end NAS appliances. Delivering four front-load, hot swap drive bays, allows network administrators to add or change drives without taking the system offline. The unit can be configured to a maximum capacity of 320GB of storage, and pre-configured with RAID 5 (disk striping with parity), plus hot sparing to provide automatic fail-over protection. Its sleek 1U package mounts in a standard 19" rack, and installs on the network in less than five minutes and two mouse clicks. Small and medium-sized businesses, and departments can use the POPnetserver 4000 for workgroup storage, remote office, backup, and data protection. Physical Specifications Dimensions: Width 17.0 in (43.2 cm) Depth 19.0 in (47.7 cm) Height 1.75 in (4.4 cm) 1 U Agency Certifications UL, cUL, FCC - Class A