HDD NAS Storage QNAP TS-451D2-2G

CPU
 Intel⪚ Celeron⪚ J4025 2-core/2-thread processor, burst up to 2.9 GHz

CPU Architecture
64-bit x86

Graphic Processors
 Intel⪚ HD Graphics 600

Floating Point Unit
Yes

Encryption Engine
Yes (AES-NI)

Hardware-accelerated 
Yes Transcoding

System Memory
2 GB SO-DIMM DDR4 (1 x 2 GB)

Maximum Memory
 8 GB (2 x 4GB)

Memory Slot
 2 x SO-DIMM DDR4

Flash Memory
 4GB (Dual boot OS protection)

Drive Bay 
4 x 3.5-inch SATA 6Gb/s, 3Gb/s

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
  Yes

SSD Cache Acceleration
Yes Support

Gigabit Ethernet Port
2

Wake on LAN (WOL)
 Yes

Jumbo Frame
Yes

USB 3.2 Gen 1 port 
4

HDMI Output
  1, HDMI 2.0 (up to 4096 x 2160 @ 60Hz)

Form Factor
Tower

LED Indicators
Power/Status, LAN, USB, HDD1-4

Buttons
Power, USB copy, Reset

Dimensions (HxWxD)
165.3 × 160 × 219.4 mm

Weight (Net)  
2.09 kg

Weight (Gross)
3.02 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
External Power Adapter, 90W, AC 100-240 V

Fan
1 x 120mm, 12VDC

Sound Level
18.5 db(A)

System Warning
Buzzer

Kensington Security Slot
Yes