Apple today updated its Xserve RAID storage system, a 3U high-availability, rack storage system to deliver 5.6 terabytes (TB) of storage capacity for just over US$2 per GB. The company has also expanded support for heterogeneous environments with certification from Cisco and SUSE Linux and optimized the system to work with its Xsan Storage Area Network file system. The new Xserve RAID is available now with prices starting from $5,999.