Synology 4 bay NAS DiskStation DS416slim (Diskless) Small footprint, feature-rich personal cloud storage designed for 2.5 drives Dual-core CPU with hardware encryption engine Dual LAN with link aggregation support Over 170.23 MB/s reading, 77.62 MB/s writing Easy to use web operating system on any browsers. Compatible Drive Type: 2.5" SATA HDD (Up to 12.5mm drive height),2.5" SATA SSD Everywhere access with iOS/Android/Windows ready mobile apps