Internal Connectors: 4 x SATA/SAS Transfer Rate: Up to 3Gb/s RAID: RAID 0/1/5/10 JBOD Operating Systems Supported: Windows (2000, XP, x64, 2003, 2008, Vista (32 and 64 bit) Linux (Fedora Core, Red Hat Enterprise / CentOS,SuSE) Mac OS X 10.4.x and above FreeBSD Linux Open Source Dimensions: 3.45" x 2.53" Features: RAID Management Tool: BIOS Web based RAID Management Software and CLI. NCQ (Native Command Queuing). Hard Drive LED Indicators (Activity and Failed). Electrical Characteristics: PCI-e: 3.3V, Power: 5W Multiple RAID support. Multiple logical drive support. BIOS booting support. Online Array roaming. Automatic drive (insert / remove) detection. Automatic RAID rebuild. 64bit LBA support greater than 2TB per volume. S.M.A.R.T (Early Warning System). TerabyteGuard for dat...