Areca RAID-контроллер ARC-1883x 2GB on-board DDR3-1866 SDRAM 2 x SFF-8643 Up to 256 12Gb/s SAS or 6Gb/s and 3Gb/s SAS/SATA HDDs/SSD, using 12Gb/s SAS Expander ARC-1883BA-T100/ARC-6120BA-T121-12G LP (ARC-1883x)