With 1.4 GHz quad-core processor and 2 GB RAM, scalable DiskStation DS715 provides data transmission rates >216 MBps (reading) and 142 MBps (writing) with Link Aggregation. Encrypted data can be read at up to 205 MBps. Powered by 1.4 GHz dual-core CPU and 1 GM RAM, dual-bay DS215+ delivers performance exceeding 209 MBps (reading) and 139 MBps with Link Aggregation. Encrypted data transmission speeds reach 145 MBps (reading), and both servers run DiskStation Manager (DSM) OS.