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Qnap TS-420 (NAS Server, 4-Bay, Marvell 1.6GHz, 512MB DDR3 RAM, 2x Gigabit RJ-45)

DVD / CD / HD eSATA, NAS, Qnap, Raid, USB

Qnap TS-420 (NAS Server, 4-Bay, Marvell 1.6GHz, 512MB DDR3 RAM, 2x Gigabit RJ-45)
Linux compatibility: Only the Linux compatibility is rated on this page, not the general quality of the product. If you use this product with Linux, please rate it and share your experience in the comment area of this page (bottom) to support other Linux users.
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  ( 5 with 2 ratings)

Price: $ 275.00 (on stock)
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Qnap TS-420 
Minimum: $ 239.99 
Maximum: $ 697.29  
Updated: 10/12/2015 09:43

Review of Linux Compatibility

The Qnap TS-420 is a 4 bay NAS server, which can be equipped with up to 4 TB SATA I/II HDD per bay. The Server has a

  • 1.6 GHz CPU
  • 512 MB RAM
  • 2xUSB3 ports
  • 2xUSB2 ports
  • 2x eSATA ports
  • 2x Gigabit Ethernet

The TS-420 is not equipped with a LCD in contrast to the TS-421.

The front of the TS-420 has four slots for the four harddisks drawers. These slots can be opened and closed without the need of screws. Furthermore, a USB 2.0 port is available at the front of the housing. All other connections are located at the back of the TS-420. The TS-420 is delivered with all necessary screws for mounting the harddisks inside the harddisk drawers and with an external power supply:

Qnap provides a Linux based firmware for the TS-420, which supports HDDs with EXT3, EXT4 journaling filesystems. Furthermore, Qnap provides a bunch of software packages that can enhance the abilites of the system (Web server, mail server, SQL server, installation of Content Management Systems (Joomla, WordPress), and much more). See details on the Qnap homepage.

Linux compatibility is provided due to the support of several (open) protocols for data exchange: CIFS/SMB, AFP (v3.3), NFS (v3), FTP, FTPS, SFTP, TFTP, HTTP(S), Telnet, SSH, iSCSI, SNMP, SMTP, SMSC, TFTP.

Using the QNAP TS-420 as a NFS server in a Linux network is very simple. The included NFS server can be configured easily via the TS-420 web frontend to make this directory available in the network environment:

These directories can be mounted by Linux Clients in the standard way.

It is even possible to install a standard Debian distribution on the TS-420. The installation steps are described at

The TS-420 is delivered without a manual, and searches for a DHCP server during its booting in order to request a valid IP address. In order to access the TS-420 per network connection the DHCP server of the network has to be configured in a way to provide correct IP addresses to the interfaces with the MAC adresses, which are given on the stickers, which are on the backside of the TS-420 housing near the Ethernet ports. By doing so, the TS-420 web desktop can be reached under this IP address in a web browser.

The latest QNAP firmware 4.0.7 bases on a Linux 2.6.33 kernel:

Linux version (root at NasX86-14) (gcc version 4.2.1) #1 Sat Apr 12 05:19:52 CST 2014

and supports the following file systems:

nodev	sysfs
nodev	rootfs
nodev	bdev
nodev	proc
nodev	tmpfs
nodev	sockfs
nodev	usbfs
nodev	pipefs
nodev	anon_inodefs
nodev	rpc_pipefs
nodev	inotifyfs
nodev	configfs
nodev	devpts
nodev	ramfs
nodev	nfsd
nodev	mqueue
nodev	fuse
nodev	fusectl
nodev	autofs
nodev	nfs
nodev	nfs4
nodev	cifs
nodev	smbfs

The prozessor of the TS-420 is a Feroceon 88F6282:

Processor name	: Feroceon 88F6282 rev 1 (v5l) @ 1.6 GHz
BogoMIPS	: 1589.24
Features	: swp half thumb fastmult edsp
CPU implementer	: 0x56
CPU architecture: 5TE
CPU variant	: 0x2
CPU part	: 0x131
CPU revision	: 1

Hardware	: Feroceon-KW ARM
Revision	: 0000
Serial		: 0000000000000000

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Please use the comment section to submit corrections to the article as well as relevant excerpts of lspci, lsusb, lshw, dmesg e.t.c. Furthermore, use the section for the exchange of experiences with this hardware component or search for configuration help from other owners of this hardware.

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