TS-433-4G - QNAP TS-433 4-Bay NAS

CPU    ARM 4-core Cortex-A55 2.0GHz processor
CPU Architecture    64-bit ARM
Graphic Processors    Mali-G52
Floating Point Unit    
Encryption Engine    
Hardware-accelerated Transcoding    
Neural Processing Unit (NPU)    
System Memory    4 GB on board (non-expandable)
Note: Reserves some RAM for use as shared graphics memory.
Maximum Memory    4 GB on board (non-expandable)
Flash Memory    4 GB (Dual boot OS protection)
Drive Bay    4x 3.5-inch SATA 6Gb/s, 3Gb/s
Drive Compatibility    3.5-inch bays:
3.5-inch SATA hard disk drives
2.5-inch SATA solid state drives
Hot-swappable    
Gigabit Ethernet Port (RJ45)    1
2.5 Gigabit Ethernet Port (2.5G/1G/100M)    1 (2.5G/1G/100M)
Wake on LAN (WOL)    
Jumbo Frame    
USB 2.0 port    2
USB 3.2 Gen 1 port    1
Form Factor    Tower
LED Indicators    System Status, LAN, USB, HDD1~4
Buttons    Power, Reset, USB Copy
Dimensions (HxWxD)    165 × 160.2 × 220.5 mm
Dimensions do not include foot pad (foot pad may be up to 30mm / 1.18 inches high depending on model)
Weight (Net)    2.07 kg
Weight (Gross)    3.39 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    Minimum 65W adapter (12VDC), 100-240VAC
Power Consumption: Disk Standby Mode    8.45 W
Power Consumption: Operating Mode, Typical    22.54 W
Tested with drives fully populated.
Fan    1 x 120mm, 12VDC
System Warning    Buzzer
Kensington Security Slot    
Standard Warranty    2
Max. Number of Concurrent Connections (CIFS) - with Max. Memory    200