Qnap SS-439 Pro Overview


The Qnap SS439 Pro is a NAS primarily designed for SMB (Small Medium Business) Users, it has the ability to house up to four 2.5″ hard drives, so as to be able to offer a better more secure option for storage as it supports several different RAID options for piece of mind should  a hard drive fail.

One of the main plus points that Qnap and Synology Nas units have is that they are able to run some extremely useful applications natively such as download managers, web server back ends, media server back ends etc and whilst the majority of these applications would not prove helpful to business users, they expand the functionality of these devices greatly for home users, inversely these devices have the ability to support a multitude of business related features such as load balancing, dual gigabit lan fail over support and the ability to support IP cameras directly recording to this device via the Surveillance Station package built into the unit.

SS439 Feature Set



CPU Intel Atom 1.6 GHz
DRAM 1GB DDRII RAM Upgradeable to 2GB
Flash Memory 128MB DOM
HDD 4 x 2.5″ SATA I/II HDD

  1. For the HDD compatibility list, please visit http://www.qnap.com/pro_compatibility.asp
HDD Tray 4 x hot-swappable and lockable tray
LAN Port 2 x Gigabit RJ-45 Ethernet port
LED Indicators HDD1, HDD2, HDD3, HDD4, LAN
USB 3 x USB 2.0 port (Front: 1; Back: 2)
Supports USB printer, disk, pen drive, USB hub, and USB UPS, etc.
eSATA 2 x eSATA port (Back)
Buttons System: Power button, one touch copy button (press 3 sec), reset button
Alarm Buzzer System warning
Form Factor Tower
Dimensions 150(H) x 102(W) x 216(D) mm
Weight Net weight: 2kg
Gross weight: 3.2kg
Sound Level (dB) W/o HDD installed: 33.6 dB
Stand by: 33.6 dB
In operation: 34.5 dB
(Background: 25.5 dB)
Power Consumption (W) Sleep mode: 15W
In operation: 18W
(with 4 x 500GB HDD installed)
Temperature 0~40˚C
Humidity 0~95% R.H.
Power Supply External power adaptor,60W, Input: 100-240V
Secure Design K-lock security slot for theft prevention
VGA Reserved for maintenance
Fan 1 x quiet cooling fan (7 cm, 12V DC)



All in all this is a very capable unit for home users or businesses  who want a small device with a large amount of performance and ability, to do many things such as run a web server as well as a media server, without having to worry about the noise and power draw associated with some of the larger units available


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