Qnap TS-559 Pro+ specs

CPU - Intel Atom 1.8GHz Dual-core Processor

DRAM - 1GB RAM

Flash Memory - 512MB DOM

HDD - 2.5/ 3.5" SATA x5

HDD Tray - 5 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, HDD 3, HDD 4, HDD 5

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

LCD panel - Mono-LCD display with backlight Enter button, Select button for configuration

Alarm Buzzer - System warning

Form Factor - Tower

Dimensions - 185 (H) x 210.6 (W) x 235.4 (D) mm; 7.28 (H) x 8.29 (W) x 9.27 (D) inch

Weight - Net weight: 5.1 kg (11.24 lbs)

Gross weight: 6.5 kg (14.33 lbs)

Sound Level (dB) - w/o HDD installed: 34.3 dB

Stand by: 34.3 dB

In operation: 35.0 dB(with 5 x 500GB HDD installed)

Power Consumption (W) - Sleep mode: 22W

In Operation: 44W
Power-off (in WOL mode): 1W(with 500GB HDD installed)

Temperature - 0~40˚C

Humidity - 0~95% R.H.

Power Supply - Input: 100-240V AC, 50/60Hz, Output: 250W

Secure Design - K-lock security slot for theft prevention
VGA - Reserved VGA interface for maintenance
Fan - 1 x quiet cooling fan (12 cm, 12V DC)