Qnap TS-239 Pro II+ specs

CPU - Intel Atom 1.8GHz Single-core Processor

DRAM - 1GB RAM

Flash Memory - 512MB DOM

HDD - 2.5/ 3.5" SATA x2

HDD Tray - 2 x Hot-swappable and lockable tray

LAN Port - 2 x Gigabit RJ-45 Ethernet port

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

USB - 5 x USB 2.0 port (Front: 1; Back: 4)

Support USB printer, 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: 1.74 kg (3.84 lbs)

Gross weight: 2.92 kg (6.44 lbs)

Sound Level (dB) - w/o HDD installed: 28.9 dB

Stand by: 37.3 dB

In operation: 37.4 dB
(with 2 x 1TB HDD installed)

Power Consumption (W) - Sleep mode: 16W

In Operation: 23W

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

Temperature - 0~40˚C

Humidity - 0~95% R.H.

Power Supply - Input: 100-240V AC, 50/60Hz, Output: 84W

Secure Design - K-lock security slot for theft prevention

VGA - Reserved VGA interface for maintenance

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