Host Bus Interface 8-Lane PCI Express 3.0

	Ports 12 x internal and 4 x external

	Drive Connectors 2 x SFF-8643 and 1 x SFF-8644 3 x SFF-8643 and 1 x SFF-8644

	Data Transfer Rate Up to 12Gb/s per port

	Drive Support Up to 512 12Gb/s SAS or 6Gb/s and 3Gb/s SAS/SATA HDDs/SSD, using 12Gb/s SAS Expander

	Cache Memory 2GB on-board DDR3-1866 SDRAM with ECC protection

	BBM Support ARC-6120BA-T121-12G

	Power Dissipation Typical: 18W

	Operating Temperature 0 oC to 60 oC

	Operating Humidity 10% to 85%, non-condensing

	RAID Levels RAID level 0, 1, 10(1E), 3, 5, 6, 30, 50, 60, Single Disk or JBOD

	RAID-on-Chip Controller Dual Core RAID-on-Chip 1.2GHz

RAID Features Multiple RAID selection Configurable stripe size up to 1MB Support HDD firmware update Online array roaming Online RAID level/stripe size migration Online capacity expansion and RAID level migration simultaneously Online volume set growth SED (self-encrypting drives) function support Multiple pairs SSD/HDD disk clone function SSD automatic monitor clone (AMC) support Instant availability and background initialization Support global and dedicated hot spare Automatic drive insertion/removal detection and rebuilding Support for native 4K and 512 byte sector SAS and SATA devices Support intelligent power management to save energy and extend service life Support NTP protocol synchronize RAID controller clock over the on board Ethernet port

	Item Dimension (L"xW"xH") 10 x 7 x 4 Weight 3 lbs Warranty Information 3 Years