QNAP Network Attached Storage TS-431U-US 4Bay 1U Affordable rack-optimized Cortex-A9 1GB RAM SATA USB3.0 250W PSU

CPU
Freescale ARM Cortex-A9 dual-core 1.2GHz processor with hardware encryption engine
Floating Point Unit
Y
Hardware Encryption Engine
Y
DRAM
1GB DDR3 RAM
Flash Memory
512MB
Hard Disk Drive
4 x 3.5" or 2.5" SATA 6Gb/s, SATA 3Gb/s hard drive or SSD
NOTE:
1. The system is shipped without HDD/SSD.
Hard Disk Tray
4 Hot-swappable and lockable trays
LAN Port
2 Gigabit RJ-45 Ethernet ports with porting trunking support
LED Indicators
Status, LAN, USB, HDD 1-4
USB
4 x USB 3.0 ports (rear)
1 x USB 2.0 port (front)
Support USB printer, pen drive, and USB UPS etc.
Buttons
Power, USB One-Touch-Copy, Reset
Alarm Buzzer
System warning
Form Factor
1U, rack mountable
Power Consumption (W)
HDD standby: 19.3W
Typical operation: 34.9W
(with 4 x 2 TB HDDs installed)
Power Supply
Input: 100-240V AC, 50/60Hz Output: 250W
Fan
2 x 4cm cooling fan (12V DC)
Item Dimension (L"xW"xH"):
19.65 x 17.28 x 1.73
Weight:
16.82 lb
Warranty Information:
2 Years