User Manual

My Cloud Expert Series
Technical Specications
Western Digital, WD, the WD logo and My Cloud are registered trademarks of Western Digital Technologies, Inc., in the U. S. and other countries. WD Red and WD SmartWare are trademarks of Western
Digital Technologies, Inc. in the U.S. and other countries. Product specications subject tot change without notice. ©2015 Western Digital Technologies, Inc. All rights reserved.
4078-705150-A00 Feb 2015
My Cloud EX2100 My Cloud EX4100
Interface
Gigabit Ethernet x 2
Power inlet (DC in) x 1
USB 3.0 expansion port x 1 rear
USB 3.0 port with direct copy x 1 front
Gigabit Ethernet x 2
Power inlet (DC in) x 2
USB 3.0 expansion port x 2 rear
USB 3.0 port with direct copy x 1 front
Drive bays
2 x 3.5 inch hard drive bays, hot swap capable, tray-less design 4 x 3.5 inch hard drive bays, hot swap capable,
tray-less design
Processor
Marvell ARMADA 385 1.3 GHz dual-core Marvell ARMADA 388 1.6 GHz dual-core
Memory
1 GB DDR3 2 GB DDR3
Network protocols
DHCP Client or Static IP, IPv4 and IPv6 • NTP Client • Dynamic DNS (DDNS) • Apple Bonjour and Windows Rally Jumbo frame support up
to 9K • VLAN (802.1Q) • Link Aggregation and failover for 2 Gigabit Ethernet ports
UPnP port forwarding • LLTD Link Layer Topology Discovery Protocol • iSCSI • SSH
Network le services
CIFS/SMBv3 for Windows, Mac OS X and Linux • AFP for Mac OS X • NFSv3 for Linux and UNIX
Linux Distributed File System (DFS) • FTP/SFTP Server • WebDAV Server
Security
Active Directory support for Windows Server 2003/ 2008/ 2012
Volume Encryption (256 bit AES)
File system
EXT4 for internal HDD
Support following formats for externally attached USB drives
• FAT/FAT32 • NTFS (read and write capability) • HFS+J (case sensitive) • Linux EXT2, EXT3, EXT4
Support for mounting ISO-Image
Disk management
RAID: JBOD, spanning, 0/1 support
RAID migration; Hot swapping; Disk roaming; Array roaming
RAID: JBOD, spanning, 0/1/5/10 + hot spare support
RAID migration: Hot swapping; Hot spare (in four disk mode); Disk
roaming; Array roaming
Power management
Drive Spin Up/Down (including Attached WD USB drives) • Automatic power recovery (with UPS)
Schedule power on/off • Graceful shutdown on UPS low battery • UPS connection via USB or network • Wake On LAN
Remote access
My Cloud and WD Photos
mobile apps
My Cloud Desktop app
User/Group management
Max No. of Users: 512 for Samba, 800 for ADS
Max No. of User Groups: 64 for Samba, 200 for ADS
Max No. of Network Shares: Max No. of Network Shares: 128
Quotas for groups or users
Backup management
Remote backups: My Cloud Expert Series to My Cloud Expert Series locally or remotely
Backup internal les or folders on the device to other les/folders on the NAS or attached USB
Cloud-based backup services: Amazon S3 and ElephantDrive
Automatic backup software: WD SmartWare
Pro (for up to 10 PC users); Apple Time Machine 10.5.8+ support (for Mac
®
users)
Media streaming
Twonky media server • DLNA 1.5 certication • iTunes
®
Server
Third-party app support
For the latest information on available third-party apps, visit:
wd.com/EX2100 wd.com/EX4100
iSCSI
iSCSI Target • Up to 64 iSCSI Targets
CHAP authentication • iSNS (Internet Storage Name Service )
Volume Virtualization: NAS can be congured as an iSCSI initiator and capable of mapping any iSCSI target of the other device to be one
virtual volume.
• Virtual Disk Drive (via iSCSI Initiator) • Max number of virtual disk drives supported is eight (8)
Dimensions
Length 8.51 in (216.10 mm)
Width 4.28 in (108.60 mm)
Height 5.82 in (147.80 mm)
Length 9.13 in (232.00 mm)
Width 6.69 in (170.00 mm)
Height 7.56 in (192.00 mm)
Limited warranty
Populated 3 years
Unpopulated 2 years
Available capacities
Available capacities 0 TB, 4 TB, 8 TB, 12 TB
(0 TB - diskless; 4 TB - 2 x 2 TB; 8 TB - 2 x 4 TB; 12 TB - 2 x 6 TB)
Available capacities 0 TB, 8 TB, 16 TB, 24 TB
(0 TB - diskless; 8 TB - 2 x 4 TB; 16 TB - 4 x 4 TB; 24 TB - 4 x 6 TB)