Buffalo TeraStation TS-RIX4.0TL/R5 is a rack-mounted network attached storage unit with a storage capacity of 2TB. It has two bays and supports HDD drive type(s). The unit is compatible with Mac and has an Ethernet interface. It features hot swap and has a maximum fan speed of 3700 RPM. The unit has a transfer rate of 40 Mbps and a read speed of 500MB/s. It also has a writable format of Blu-ray BD-R and a cache of 1 MB.