Accusys A08S4-PS 8-Bay PCIe 3.0 Tower RAID System The Most Flexible Tower Ever, Expand as You Need  Powerful A08S4-PS, the 8-bay tower of ExaSAN Family, dedicates itself to those who don’t want to spend extra money and time on a second storage. With ExaSAN, you can expand as you need.  Higher Bandwidth, Higher Performance A08S4-PS uses PCIe 3.0 technology, and can reach up to 1500 MB/s transfer speeds. This works just perfectly for solo editing.  Expand as You Need When your work space needs more than what a tower can offer, you can easily expend it with up to 3 JBODs – meaning the capacity can go up to 448 Terabytes if necessary (by using 14TB HDD).  A08S4-PS on Mac A08S4-PS is compatible with Windows, Linux and MAC. Use C2M adapter to convert PCIe channel to Thuderbolt 3.0, then you are ready to connect it to a MAC device easily.   Technical Specifications  System Type: 8-bay Tower RAID system Host Interface: PCIe 3.0 Data Transfer Rate: 32 Gb/s Disk Interface: SAS / SATA * 8 Disk Type: 3.5″ / 2.5″ / SSD RAID Level: 0, 1, 5, 6, 0+1, JBOD Cache Memory: 2G DDRlll 1866 with ECC-protected JBOD Expansion: JBOD * 3 Operating Temperature:        0°C ~ 40°C Storage Temperature: -20°C~ 70°C Operating Humidity    : 5%~85%, Non-condensing RAID Controller Functions      Online RAID Set Expansion and RAID LEVEL Migration Online bad block data recovery and reallocation Online disk scrubbing with data refresh and parity Disk health monitorning by S.M.A.R.T Array Roaming and Drive Traveling Mirror Snapshot for fast backup and restore Disk Lag Proof Technology to guarantee disk timely response Equalization Mode to smooth the performance of sequential I/Os and reduce large fluctuation Management  Java-based RADIGuard X GUI Event log saving in text file for quick trobleshooting Event notification by email (SMTP) LED indicator for RAID & disk drives status in front 400W (Single or Redundant). 110V~240V power supply Two 12cm x 12 cm Fan with Smart Fan Control feature Dimensions: L:369mm, W:175mm, H:394.6mmWeight: 13.64kg / 30 lbs