High-Performance Storage To Save, Stream And Share Anywhere Keep your media safe in a single place on this high-performance Network Attached Storage (NAS) device, and access and stream it from anywhere with an internet connection. Centralized Network Backup Access from Anywhere Simple to Setup, Easy to Use Robust Data Protection My Cloud OS 5 Designed For Smooth Streaming Simplified File And Folder Sharing Featuring Ultra-reliable WD Red NAS Drives Volume Encryption Multiple RAID Options Third-party App Support Specifications Capacity 4TB Connector USB-A Ethernet RJ45 Power Supply Interface Gigabit Ethernet USB 3.0 Warranty 3-Year Limited Warranty Dimensions (L x W x H) 6.1" x 3.9" x 6.75" Weight 3.53lbs Model Number WDBVBZ0040JCH-NESN Operating Temperature 5°C to 35°C Non-Operating Temperature -20°C to 65°C Product Features Ideal for small business and home office Available preconfigured or diskless Third-party app support Compatibility Windows®, macOS, DLNA®/UPnP devices for streaming, router with an Internet connection In The Box My Cloud Expert Series EX2 Ultra Hero My Cloud EX2 Ultra Device Ethernet cable Power supply Quick install guide Model Numbers 0TB: WDBVBZ0000NCH-NESN 4TB: WDBVBZ0040JCH-NESN 8TB: WDBVBZ0080JCH-NESN 16TB: WDBVBZ0160JCH-NESN 24TB: WDBVBZ0240JCH-NESN 28TB: WDBVBZ0280JCH-NESN 32TB: WDBVBZ0320JCH-NESN