The AC-1223x 2 Port SAS RAID Host Bus Adapter from Proavio supports upto 4/8 internal 6 Gbps SAS physical links. The multi-adapter supports large storage requirements and redundant flash image for adapter availability. This has a cache memory of 512 MB ECC DDR2-800 SDRAM. It supports 8x SAS/SATA HDD Drive support. The adapter has multiple RAID selections. It is a professional PCIe hardware RAID controller for Mac OS and Windows workstations.
The AC- 1223x adapter features RAID-on-Chip 800 MHz (ROC) processor
It supports up to 4 SATA II or SAS drives and 4/8 internal 6 Gbps SAS physical links.