Comparison of Overland Storage SnapServer XSD 40 and ZyXEL NAS540

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
	Overland Storage SnapServer XSD 40 (OV-XSD40-ND) Remove	ZyXEL NAS540 (NAS540) Remove	Add a NAS to compare
Launch	2014	2015
Class	Small / Medium business	Small office / Home office
Body
Dimensions	213 x 201 x 320 mm	190 x 225 x 160 mm
Weight	8.2 kg	2 kg
Disks
Disk bays	4 x 3.5" SATA III	4 x 3.5" SATA II
RAID	JBOD RAID0 RAID1 RAID10 RAID5 RAID6	JBOD RAID0 RAID1 RAID10 RAID5 RAID6
SSD support	no	no
Network
LAN ports	2 x Gigabit Ethernet	2 x Gigabit Ethernet
Wireless	no	no
Protocols	AFP CIFS/SMB FTP HTTP ISCSI	CIFS/SMB FTP HTTP ISCSI NFS WEBDAV
P2P support	BitTorrent	BitTorrent
Media server	no	DLNA Squeezebox UPnP iTunes
Cloud backup	no	Dropbox Google Drive
Connectivity
USB ports	2 x USB 2.0 2 x USB 3.0	3 x USB 3.0
eSATA ports	no	no
System
CPU	Intel Atom D525 dual-core @ 1.8 GHz	Freescale FS1024 dual-core @ 1.2 GHz
RAM	2 GB	1 GB DDR3
Flash		256 MB
Operating system	GuardianOS 7.6	ZyXEL
Alternative OS
Power
Power supply	200 W, internal	12 V / 5 A
Consuption	41 W	36.5 W / 14.8 W
Fans		1 x 120 mm
Noise level
Features
Specials	VMWare Ready	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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