Best Networked Backup Drive

WD 16TB My Book Desktop External Hard Drive, USB 3.0, External HDD with Password Protection and Auto Backup Software - WDBBGB0160HBK-NESN

Synology 2 bay NAS DiskStation DS220+ (Diskless), 2GB DDR4

WD 6TB My Passport Portable External Hard Drive, Black, Includes Backup Software with Defense Against ransomware, and Password Protection - WDBR9S0060BBK-WESN

Western Digital 16TB Elements Desktop External Hard Drive, USB 3.0 External Hard Drive for Plug-and-Play Storage - WDBWLG0160HBK-NESN

BUFFALO LinkStation 720 16TB 2-Bay Home Office Private Cloud Data Storage with Hard Drives Included/Computer Network Attached Storage/NAS Storage/Network Storage/Media Server/File Server

QNAP QM2-2P-244A Dual M.2 22110/2280 Pcie SSD Expansion Card (PCIe Gen2 X4), Low-Profile Bracket Pre-Loaded, Low-Profile Flat and Full-Height are Bundled 2 x SSD

QNAP QM2-2P-344A Dual M.2 PCIe SSD Expansion Card, Supports up to Two M.2 2280/22110 Form Factor M.2 PCIe (Gen3 x4) SSDs, PCIe Gen3 x4 Host Interface, Low-Profile Bracket pre-Loaded, 2 x SSD

QNAP TS-451+ 4-Bay Next Gen Personal Cloud NAS, Intel 2.0GHz Quad-Core CPU with Media Transcoding

QNAP QM2-2P-384A Dual M.2 PCIe SSD Expansion Card, Supports up to Two M.2 2280/22110 Form Factor M.2 PCIe (Gen3 x4) SSDs, PCIe Gen3 x8 Host Interface, Low-Profile Bracket pre-Loaded, 2 x SSD

External Blu Ray DVD Drive 3D, USB 3.0 and Type-C Bluray CD DVD Reader Slim Optical Portable Blu-ray Drive for MacBook OS Windows xp/7/8/10, Laptop PC (Silver-Grey)