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Comparison of TerraMaster U1-NAS and ZyXEL NAS520

The side-by-side comparison of the devices’ specifications. The comparison table below makes it easier to choose the most fitting NAS.

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Adding/changing a NAS
TerraMaster U1-NAS (U1-NAS)
TerraMaster U1-NAS (U1-NAS)
ZyXEL NAS520 (NAS520)
ZyXEL NAS520 (NAS520)
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Launch 2012 2015
Class Low end Small office / Home office
Body
Dimensions 206 x 160 x 46 mm 140 x 220 x 160 mm
Weight 538 g 1.53 kg
Disks
Disk bays 1 x 3.5" SATA II 2 x 3.5" SATA II
RAID no JBOD
RAID0
RAID1
SSD support no no
Network
LAN ports 1 x Gigabit Ethernet 2 x Gigabit Ethernet
Wireless no no
Protocols AFP
CIFS/SMB
FTP
WEBDAV
CIFS/SMB
FTP
HTTP
ISCSI
NFS
WEBDAV
P2P support BitTorrent BitTorrent
Media server DLNA
UPnP
iTunes
DLNA
Squeezebox
UPnP
iTunes
Cloud backup no Dropbox
Google Drive
Connectivity
USB ports 1 x USB 2.0 device 3 x USB 3.0
eSATA ports no no
System
CPU N5 single-core @ 800 GHz Freescale FS1024 dual-core @ 1.2 GHz
RAM 256 MB 1 GB DDR3
Flash 8 MB 256 MB
Operating system TerraMaster TOS ZyXEL
Alternative OS
Power
Power supply 12 V / 2 A 12 V / 5 A
Consuption 15 W / 3 W 28.5 W / 8.8 W
Fans fanless 1 x 80 mm
Noise level
Features
Specials Failover and link aggregation
SD card reader
Administration
Default IP DHCP DHCP
Default username admin admin
Default password admin 1234

A maximum of 3 devices can be compared at the same time. To add or change a NAS, type the name of the NAS you’re looking for in the search field of the table’s column, then click on the device’s name in the drop-down list of search results.

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