Item model number: TS-873-4G-US
VL SKU: 103197

  • AMD RX-421ND 2.1~3.4 GHz, 4GB DDR4 RAM, 8x 2.5"/3.5" + 2x M.2 2280/2260 SATA 6Gb/s drives, 4x GbE LAN, optional 10GbE PCIe expansion
  • Two PCIe Gen3 x4 slots support QM2 cards, 10GbE adapters, or wireless network cards
  • Supports the NVIDIA GeForce GT1030 graphics card, allowing for 4K video transcoding and output
  • Dual M.2 SATA 6 Gb/s SSD slots allow for setting up caching or storage pools, improving file access efficiency
  • Snapshots fully record system status and data. If files are accidentally deleted or modified, you can quickly restore the data from a snapshot

Storage drives installed No Supported file systems FAT32,HFS+,NTFS,exFAT,ext3,ext4
RAID support Yes Hot-swap drive bays Yes
Number of storage drives supported 8 Supported storage drive types HDD, SSD
Storage drive interface Serial ATA III RAID levels 0, 1, 5, 6, 10, JBOD
Storage drive size 2.5/3.5" Installed storage drive type No
Processor boost frequency 3.4 GHz Processor operating modes 64-bit
Processor model RX-421ND Processor family AMD R
Processor frequency 2.1 GHz Processor cores 4
RAM type DDR4 Memory slots 4 x SODIMM DDR4
Flash memory 512 MB Maximum RAM supported 64 GB
RAM capacity 4 GB
Wi-Fi No Ethernet LAN Yes
Dynamic DNS (DDNS) Yes Supported network protocols IFS/SMB, AFP (v3.3), NFS(v3), FTP, FTPS, SFTP, TFTP, HTTP(S), Telnet, SSH, iSCSI, SNMP, SMTP, SMSC
Wake-on-LAN ready Yes Jumbo frames support Yes
iSCSI support Yes DHCP client Yes
DHCP server Yes Ethernet LAN data rates 10,100,1000 Mbit/s
Ports & interfaces
PCI Express x4 (Gen 3.x) slots 2 USB port Yes
Microphone in Yes Audio in/out Yes
Ethernet LAN (RJ-45) ports 4 USB 3.0 (3.1 Gen 1) Type-A ports quantity 4
Cooling type Active Built-in display Yes
Cable lock slot type Kensington Colour of product Black
Chassis type Tower Cable lock slot Yes
LED indicators Yes Fan diameter 2 6 cm
Fan diameter 12 cm Number of fans 3 fan(s)
Device class Home & Home Office Type NAS
Mac operating systems supported Yes Share folder access right management Yes
Operating system installed QNAP Turbo System Backup function Yes
Linux operating systems supported Yes Access Control List (ACL) Yes
Web-based management Yes Backup features Cloud, USB drive, iSCSI LUN
Browser supported Internet Explorer 10, Firefox 8, Safari 4, Google Chrome Server operating systems supported Windows Server 2003,Windows Server 2008 R2,Windows Server 2012,Windows Server 2012 R2,Windows Server 2016
Universal Plug and Play (UPnP) Yes Operating system version 4.3.4
Reset button Yes On/off switch Yes
Security algorithms 256-bit AES,FIPS 140-2,HTTPS,SNMP,SSH,SSL/TLS S.M.A.R.T. support Yes
Hot spare Yes Share folder CIFS/SMB
System log Yes Password authentication Yes
Built-in FTP server Yes Windows operating systems supported Windows 10,Windows 7,Windows 8
Noise level 23.4 dB Multilingual support Yes
Built-in iTunes server Yes
AC input frequency 50/60 Power consumption (HDD standby) 36.43 W
Number of power supply units 1 AC input voltage 100 - 240
Power consumption (typical) 70.26 W Power supply unit (PSU) capacity 250 W
Power supply location Built-in
Weight & dimensions
Width 329.3 mm Height 188.2 mm
Depth 279.6 mm Weight 6.59 kg
Packaging content
Cables included AC, LAN (RJ-45) Number of screws 26
Quick installation guide Yes
Operational conditions
Operating relative humidity (H-H) 5 - 95% Operating temperature (T-T) 0 - 40 °C
Digital Living Network Alliance (DLNA) certified Yes
Other features
Power management Yes

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