Maiwo USB3.0&eSATA 4Bay Docking Station With RAID 0/1/3/5/10 for Hard Drive Docking Station PC Clone K305A Four-Bay dock easy consolidation of storage Supports USB 3.0/2.0, up to 5Gbps/480Mbps Open space design good for HDD/SSD heat dissipation LED lights indicate clone process 20%, 40%,60%, 80%, 100% . Individual 4 bay slot support 2.5/3.5inch HDD/SSDx4 running concurrently