NAS QNAP TS-451+-2G CPU Intel Celeron J1900 4-core up to 2.42 GHz, RAM 2GB, LAN 2x 1Gbps, 4 khay ổ cứng

Thông số kỹ thuật

CPU	Intel® Celeron® J1900 4-core/4-thread processor, burst up to 2.42 GHz
CPU Architecture	64-bit x86
Graphic Processors	Intel® HD Graphics
Floating Point Unit	√
Hardware-accelerated Transcoding	, up to 1080P
System Memory	2 GB SO-DIMM DDR3L
Maximum Memory	8 GB (2 x 4GB)
Memory Slot	2 x SO-DIMM DDR3L For dual-DIMM configurations, you must use a pair of identical DDR3L modules.
Flash Memory	512MB (Dual boot OS protection)
Drive Bay	4 x 3.5-inch SATA 6Gb/s, 3Gb/s The system is shipped without HDD. For the HDD compatibility list, please visit https://www.qnap.com/compatibility/
Drive Compatibility	3.5-inch SATA hard disk drives 2.5-inch SATA hard disk drives 2.5-inch SATA solid state drives
Hot-swappable	√
SSD Cache Acceleration Support	√
Gigabit Ethernet Port (RJ45)	2
Wake on LAN (WOL)	√
Jumbo Frame	√
USB 2.0 port	2
USB 3.2 Gen 1 port	2
IR Sensor	(RM-IR002 & MCE)
HDMI Output	1, (up to 1080p)
Form Factor	Tower
LED Indicators	Power/Status, LAN, USB, HDD1-4
Buttons	Power, Reset, USB Auto Copy
Dimensions (HxWxD)	177 × 180 × 235 mm
Weight (Net)	3 kg
Weight (Gross)	4.3 kg
Operating temperature	0 – 40 °C (32°F – 104°F)
Storage Temperature	-20 – 70°C (-4°F – 158°F)
Relative Humidity	5-95% RH non-condensing, wet bulb: 27˚C (80.6˚F)
Power Supply Unit	90W adapter, 100-240V
Power Consumption: HDD Sleep Mode	15.78 W
Power Consumption: Operating Mode, Typical	33.88 W
Fan	1 x 120mm, 12VDC
System Warning	Buzzer
Kensington Security Slot	√
Max. Number of Concurrent Connections (CIFS) – with Max. Memory	1500