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Comparison of Shuttle OMNINAS KD21 and Buffalo LinkStation 421e

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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Shuttle OMNINAS KD21 (KD21)
Shuttle OMNINAS KD21 (KD21)
Buffalo LinkStation 421e (LS421DE)
Buffalo LinkStation 421e (LS421DE)
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Launch 2013 2013
Class Small office / Home office Small office / Home office
Body
Dimensions 169.8 x 90 x 225 mm 205 x 87 x 128 mm
Weight 1.93 kg 798 g
Disks
Disk bays 2 x 3.5" SATA II 2 x 3.5" SATA II
RAID JBOD
RAID0
RAID1
JBOD
RAID0
RAID1
SSD support yes no
Network
LAN ports 1 x Gigabit Ethernet 1 x Gigabit Ethernet
Wireless no no
Protocols AFP
CIFS/SMB
FTP
AFP
CIFS/SMB
FTP
HTTP
P2P support BitTorrent BitTorrent
Media server DLNA
UPnP
iTunes
DLNA
UPnP
iTunes
Cloud backup no no
Connectivity
USB ports 1 x USB 2.0
2 x USB 3.0
1 x USB 2.0
1 x USB 3.0
eSATA ports no no
System
CPU Marvell Armada 370 88F6707 @ 1 GHz Marvell Armada 370 88F6707 @ 1.2 GHz
RAM 512 MB 512 MB DDR3
Flash 1 GB 1 MB
Operating system Shuttle Buffalo
Alternative OS    
Power
Power supply 12 V / 5.4 A 12 V / 4 A
Consuption 19 W / 9.6 W  
Fans 1 x 70 mm 1 x 60 mm
Noise level 23 dB(A)  
Features
Specials SD card reader  
Administration
Default IP 169.254.100.200 DHCP
Default username admin admin
Default password [blank] password

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