Qnap TS-239 Pro Turbo NAS specs

CPU - Intel Atom Processor 1.6 GHz

DRAM - 1GB DDRII RAM

Flash Memory - 128MB DOM

HDD - 2 x 3.5" SATA I/II HDD

HDD Tray - 2 x hot-swappable and lockable tray

LAN Port - 2 x Gigabit RJ-45 Ethernet port

LED Indicators - HDD 1, HDD 2, LAN, eSATA, Status, USB

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, USB one-touch-backup button, reset button

Alarm Buzzer - System warning

Form Factor - Tower

Dimensions - 150(H) x 102(W) x 216(D) mm; 5.91(H) x 4.02(W) x 8.5(D) inch

Weight - Net weight: 1.74kg/ 3.84 lb

Gross weight: 2.92kg/ 6.44 lb

Sound Level (dB) - W/o HDD installed: 33.7 dB

Stand by: 33.6 dB

In operation: 35.6 dB

(Background: 25.2 dB)

Power Consumption (W) - Sleep mode: 21W

In operation: 24W

Power-off (in WOL mode): 1W (with 2 x 500GB HDD installed)

Temperature - 0~40˚C/ 32~104°F

Humidity - 0~95% R.H.

Power Supply - External power adaptor,60W, Input: 110-240

Secure Design - K-lock security slot for theft prevention

VGA - Reserved for maintenance

Fan - 1 x quiet cooling fan (7 cm, 12V DC)