QNAP Storage TS-451U-US 4Bay NAS 1U Celeron Dual Core 1GB DDR3 2.5inch-3.5inch SATA 2xGbE

CPU
Intel Celeron 2.0GHz quad-core processor (burst up to 2.41GHz)
DRAM
TS-453S Pro: 4GB DDR3L RAM (2GB x 2)
Flash Memory
512MB DOM
Hard Disk Drive
4 x 2.5SATA 6Gb/s, SATA 3Gb/s hard drive or SSD
Hard Disk Tray
4 x Hot-swappable tray
LAN Port
2 x Gigabit RJ-45 Ethernet port
LED Indicators
Status, LAN, USB, HDD 1-4
USB
3 x USB 3.0 port (Front: 1, Rear: 2)
Support USB printer, pen drive, and USB UPS etc.
HDMI
1
Buttons
Power/Status, USB One-Touch-Backup, reset
Alarm Buzzer
System warning
IR Receiver
MCE-compatible
Form Factor
Tower
Power Consumption (W)
HDD standby: 13.48W
S3 sleep: 0.75W
In operation: 20.83W
(with 4x 1TB HDD installed)
Power Supply
External Power Adapter, 90W, 100-240V
Secure Design
Kensington security slot for theft prevention
Fan
1 x quiet cooling fan ( 7cm, 12V DC)
Item Dimension (L"xW"xH"):
1.73 x 16.97 x 19.02
Weight:
20.94 lb
Warranty Information:
2 years