Qnap TS-412 specs

CPU - Marvell 6281 1.2GHz

DRAM - 256MB DDRII RAM

Flash Memory - 16MB

Hard Disk Drive - 4 x 3.5" or 2.5" SATA I/II hard disk drive (HDD)

HDD Tray - 4 x hot-swappable tray

LAN Port - 2 x Gigabit RJ-45 Ethernet port

LED Indicators - Status, LAN, USB, eSATA, HDD 1, HDD 2, HDD 3, HDD 4

USB - 4 x USB 2.0 port (Front: 1; Back: 3)Supports USB printer, disk, pen drive, USB hub, and USB UPS, etc.

eSATA - 2 x eSATA port (Back)

Buttons - Power button, USB one-touch-backup button, reset button

Alarm Buzzer - System warning

Form Factor - Tower

Dimensions - 177(H) x 180(W) x 235(D) mm; 6.97(H) x 7.09(W) x 9.25(D) inch

Weight - Net weight: 3 Kg (6.61 lbs)

Gross weight: 4.6 Kg (10.14 lbs)

Power Consumption (W) - Sleep mode: 11W

In operation: 26W (with 4 x 500GB HDD installed)

Temperature - 0-40˚C/ 32-104°F

Relative Humidity - 0-95% R.H.

Power Supply - Input: 100-240V AC, 50/60Hz, Output: 12V DC, 10A, 120W

Secure Design - K-Lock security slot for theft prevention

Fan - 1 x quiet cooling fan (9 cm, 12V DC)