Qnap ts-879u-rp nas 8bay-hs, 2u-rack, sata-6g,gbe(2), i3-2120, 4gb, rps, 3yr-advance

CPU	Dual Core Intel Core i3-2120 Processor 3.3 GHz
DRAM	4GB DDR3 RAM NOTE: The system memory can be increased to 8GB by installing an additional 4GB Long-DIMM RAM module. For the information of RAM module installation and compatible NAS models, please refer to the QNAP RAM Module Installation Guide
Flash Memory	512MB DOM
Hard Drive	8 x 3.5 or 2.5 SATA 6Gb/s, SATA 3Gb/s hard drive or SSD NOTE: The standard system is shipped without hard drives.
Hard Drive Tray	8 x hot-swappable and lockable tray
LAN Port	2 x Gigabit RJ-45 Ethernet port (Optional dual-port 10 Gb and 1 Gb network card are supported) NOTE: For the information of network card installation, please refer to chapter 6 in the Turbo NAS Hardware Manual.
LED Indicators	Status, 10 GbE, LAN, eSATA, hard drives
USB	2x USB 3.0 port (rear) 4x USB 2.0 port (rear) Support USB printer, pen drive, USB hub, and USB UPS etc.
eSATA	2(rear)
Buttons	System: Power button and reset button
LCD Panel	Mono-LCD display with backlight, Enter button, Select button for configuration
Alarm Buzzer	System warning
Form Factor	2U, Rackmount
Dimensions	88(H) x 439(W) x 520(D) mm 3.46(H) x 17.28(W) x 20.47(D) inch
Weight	Net weight: 12.52 kg/27.61 lb Gross weight: 20.76 kg/45.78 lb
Sound Level (dB)	Standby: 54.57 dB In operation: 54.6 dB (with 8 x 1TBharddrivesinstalled)
Power Consumption (W)	Sleep mode: 68W In Operation: 130W (with 8 x 1TB hard drives installed)
Temperature	0~40˚C
Relative Humidity	0~90%
Power Supply	Input: 100-240V AC, 47-63Hz Output: 300W
Expansion Slot	2 (for network and storage expansion)
VGA	Reserved for system maintenance
Fan	3 x 6 cm smart cooling fan