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Comparison of Shuttle OMNINAS KD21 and QNAP TS-231

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
Shuttle OMNINAS KD21 (KD21)
Shuttle OMNINAS KD21 (KD21)
QNAP TS-231 (TS-231)
QNAP TS-231 (TS-231)
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Launch 2013 2015
Class Small office / Home office Small office / Home office
Body
Dimensions 169.8 x 90 x 225 mm 169 x 102 x 219 mm
Weight 1.93 kg 1.28 kg
Disks
Disk bays 2 x 3.5" SATA II 2 x 3.5" SATA III
RAID JBOD
RAID0
RAID1
JBOD
RAID0
RAID1
SSD support yes yes
Network
LAN ports 1 x Gigabit Ethernet 2 x Gigabit Ethernet
Wireless no yes, with USB dongle
Protocols AFP
CIFS/SMB
FTP
AFP
CIFS/SMB
FTP
ISCSI
NFS
WEBDAV
P2P support BitTorrent BitTorrent
Media server DLNA
UPnP
iTunes
DLNA
iTunes
Cloud backup no Amazon S3
Dropbox
Google Drive
Microsoft OneDrive
Connectivity
USB ports 1 x USB 2.0
2 x USB 3.0
3 x USB 3.0
eSATA ports no 1 x eSATA
System
CPU Marvell Armada 370 88F6707 @ 1 GHz Freescale ARMv7 Cortex-A9 dual-core @ 1.2GHz
RAM 512 MB 512 MB
Flash 1 GB 512 MB
Operating system Shuttle QNAP QTS
Alternative OS
Power
Power supply 12 V / 5.4 A 12 V / 5 A
Consuption 19 W / 9.6 W 20.56 W / 9.78 W
Fans 1 x 70 mm 1 x 70 mm
Noise level 23 dB(A) 15.4 dB(A)
Features
Specials SD card reader
Administration
Default IP 169.254.100.200 DHCP
Default username admin admin
Default password [blank] admin

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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