WD My Cloud Personal is a 3TB single-drive NAS appliance designed for small office and home networks requiring centralized backup and file sharing. The unit connects via Gigabit Ethernet (RJ-45) and includes USB 3.0 for direct external drive connections, supporting data transfer rates up to 110 MB/s over the network. Built on a dual-core processor architecture, the My Cloud runs WD's proprietary NAS OS with support for RAID-1 mirroring (when paired with external storage), automatic cloud backup to major providers, and mobile/web access. Typical applications include personal photo/video archival, multi-device backup across Windows and macOS systems, and departmental document sharing. The form factor is compact desktop-sized, drawing power via single AC adapter. All units tested and guaranteed; available via quote.