Synology DS418 vs WD EX4100 CPU Model Realtek RTD1296 CPU Architecture 64-bit CPU Frequency Quad Core 1.4 GHz Hardware Encryption Engine yes Hardware Transcoding Engine 10-bit H.265 (HEVC), MPEG-4 Part 2, MPEG-2, VC-1; maximum resolution: 4K (4096 x 216