Ultra-reliable, business-class NAS built and backed by WD.

Network Attached Storage
Business Series

WD My Cloud EX2, high performance personal cloud storage. Stream media up to 12 TB, 2-bay RAID, automatic backup, expert series WD My Cloud EX4, high performance personal cloud storage. Stream media up to 16 TB, 4-bay RAID, automatic backup, expert series
My Cloud DL2100 My Cloud DL4100
Number of bays Two-bay Four-bay
Ideal for Small Office
Home Office
Small Office
Home Office
Capacity 0 TB/Diskless, 4 TB, 8 TB, 12 TB 0 TB/Diskless, 8 TB, 16 TB, 24 TB
Processor Intel® Atom™ C2350 1.7 GHz Dual-core Intel® Atom™ C2338 1.7 GHz Dual-Core
RAM 1 GB (expandable to 5 GB max.) 2 GB (expandable to 6 GB max.)
Gigabit Ethernet Interface / NICs 2X 2X
Power port 2X 2X
USB expansion port 1X USB 3.0 2X USB 3.0
1X USB 2.0
One-touch USB 3.0 copy port 1X 1X
Mac and PC compatible
DLNA 1.5 & UPnP certified for media streaming
My Cloud apps for anywhere access
Automatic backup PC: WD SmartWare Pro
Mac: Apple Time Machine
PC: WD SmartWare Pro
Mac: Apple Time Machine
Secure file sharing with unlimited users
Easy drive install & hot swap
LCD display
Disk management RAID 0,1; JBOD & spanning RAID 0, 1, 5, 10; JBOD & spanning
iSCSI, volume virtualization
iPv4/iPv6
Active Directory
Integrated serving options File server
FTP server
Backup server
P2P download server
File server
FTP server
Backup server
P2P download server
Integrated third-party apps