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Storage
Storage drives installed
No
Installed storage drive type
No
Supported storage drive types
HDD & SSD
Number of storage drives supported
8
Hot-swap drive bays
Yes
RAID support
Yes
RAID levels
0-1-5-6-10-JBOD
Storage drive sizes supported
2.5-3.5"
Processor
Processor operating modes
64-bit
Processor boost frequency
3.4 GHz
Processor frequency
2.1 GHz
Processor model
RX-421ND
Processor cores
4
Memory
Internal memory type
DDR4
Internal memory
4 GB
Maximum RAM supported
64 GB
Memory slots
4 x SO-DIMM DDR4
Flash memory
512 MB
Network
Dynamic DNS (DDNS)
Yes
Ethernet LAN
Yes
Ethernet LAN data rates
10-100-1000 Mbit/s
Wi-Fi
No
Wake-on-LAN ready
Yes
Jumbo frames support
Yes
iSCSI support
Yes
DHCP server
Yes
DHCP client
Yes
Ports & interfaces
USB port
Yes
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity
4
PCI Express x4 (Gen 3.x) slots
2
Microphone in
Yes
Audio in/out
Yes
Ethernet LAN (RJ-45) ports
4
Hard drive
RAID support
Yes
RAID levels
0-1-5-6-10-JBOD
Design
Fan diameter 2
6 cm
Cooling type
Active
Fan diameter
12 cm
Built-in display
Yes
Cable lock slot type
Kensington
Product colour
Black
Number of fans
3 fan(s)
LED indicators
Yes
Chassis type
Tower
Cable lock slot
Yes
Technical details
Type
NAS
Device class
Home & Home Office
Backup function
Yes
Built-in display
Yes
Product colour
Black
Noise level
23.4 dB
Multilingual support
Yes
LED indicators
Yes
Chassis type
Tower
Number of fans
3 fan(s)
Performance
Built-in iTunes server
Yes
Built-in FTP server
Yes
System log
Yes
Share folder access right management
Yes
Share folder
CIFS/SMB
S.M.A.R.T. support
Yes
Password authentication
Yes
Hot spare
Yes
Universal Plug and Play (UPnP)
Yes
Type
NAS
Device class
Home & Home Office
Backup function
Yes
Backup features
Cloud- USB drive- iSCSI LUN
On/off switch
Yes
Mac operating systems supported
Yes
Linux operating systems supported
Yes
Web-based management
Yes
Reset button
Yes
Operating system version
4.3.4
Operating system installed
QNAP Turbo System
Noise level
23.4 dB
Multilingual support
Yes
Access Control List (ACL)
Yes
Cooling
Cooling type
Active
Fan diameter
12 cm
Number of fans
3 fan(s)
Security
Cable lock slot type
Kensington
Cable lock slot
Yes
Access Control List (ACL)
Yes
Software
Mac operating systems supported
Yes
Linux operating systems supported
Yes
Operating system version
4.3.4
Operating system installed
QNAP Turbo System
Management features
On/off switch
Yes
Web-based management
Yes
Reset button
Yes
Power
Power consumption (HDD standby)
36.43 W
Power supply location
Built-in
Power supply unit (PSU) capacity
250 W
AC input voltage
100 - 240 V
AC input frequency
50 - 60 Hz
Power consumption (typical)
70.26 W
Number of power supply units
1
Power management
Yes
Weight & dimensions
Width
329.3 mm
Depth
279.6 mm
Height
188.2 mm
Weight
6.59 kg
QNAP TS-873 Ethernet LAN Tower Black NAS
| Length | 27.96 in |
| Width | 32.93 in |
| Height | 18.82 in |
| Weight | 6.590000 lbs |
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