Comparison of Shuttle OMNINAS KD21 and Synology DiskStation DS1815+
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) |
 Synology DiskStation DS1815+ (DS1815P) |
 Add a NAS to compare
|
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| Launch | 2013 | 2014 | |
| Class | Small office / Home office | Small / Medium business | |
| Body | |||
| Dimensions | 169.8 x 90 x 225 mm | 157 x 340 x 233 mm | |
| Weight | 1.93 kg | 5.29 kg | |
| Disks | |||
| Disk bays | 2 x 3.5" SATA II | 8 x 3.5" SATA III | |
| RAID | JBOD RAID0 RAID1 |
JBOD RAID0 RAID1 RAID10 RAID5 RAID6 Synology Hybrid RAID |
|
| SSD support | yes | yes | |
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| Network | |||
| LAN ports | 1 x Gigabit Ethernet | 4 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 UPnP iTunes |
|
| Cloud backup | no | Box Dropbox Google Drive Microsoft OneDrive |
|
| Connectivity | |||
| USB ports | 1 x USB 2.0 2 x USB 3.0 |
4 x USB 3.0 | |
| eSATA ports | no | 2 x eSATA | |
| System | |||
| CPU | Marvell Armada 370 88F6707 @ 1 GHz | Intel Atom C2538 quad-core @ 2.4 GHz | |
| RAM | 512 MB | 2 GB (upgradable) | |
| Flash | 1 GB | ||
| Operating system | Shuttle | Synology DSM | |
| Alternative OS | |||
| Power | |||
| Power supply | 12 V / 5.4 A | 250 W, internal | |
| Consuption | 19 W / 9.6 W | 45.88 W / 23.23 W | |
| Fans | 1 x 70 mm | 2 x 120 mm | |
| Noise level | 23 dB(A) | 24.3 dB(A) | |
| Features | |||
| Specials | SD card reader | VMWare Ready Failover and link aggregation DX213/DX513 Expansion Unit |
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| Administration | |||
| Default IP | 169.254.100.200 | DHCP | |
| Default username | admin | admin | |
| Default password | [blank] | [blank] | |
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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