areca ARC-1883ix16-2SA PCI-Express 3.0 x8 SAS RAID Adapter Internal Connectors: 4 x SFF-8643 1 x SFF-8644 RAID: 0, 1,1E, 3, 5, 6, 10, 30, 50, 60 or JBOD Cache Memory: 2GB on-board DDR3-1866 SDRAM Dimensions: 254 x 98.4 mm Operating Systems Supported: Windows 8 / Server2012 / 7 / 2008 / Vista / Server 2003 / XP Linux FreeBSD VMware (only driver package available w/o management utility) Solaris 10 / 11 x86 / x86_64 Mac OS X 10.4.x / 10.5.x / 10.6.x / 10.7.x / 10.8.x / 10.9.x