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Product comparison · 2 nas & storage servers

QNAP TS-673 NAS Tower AMD Embedded R-Series SoC RX-421ND vs QNAP TS-873 NAS Tower AMD Embedded R-Series SoC RX-421ND

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  • 94specifications compared
  • 8differ
  • 86identical
  • 5known for one product only

Key differences

  • Number of storage drives supported
    • 6
    • 8
  • Fan diameter
    • 9 cm
    • 12 cm
  • Noise level
    • 23 dB
    • 23.4 dB
  • Power consumption (typical)
    • 63.69 W
    • 70.26 W
  • Power consumption (HDD standby)
    • 35.11 W
    • 36.43 W
  • Width
    • 264.3 mm
    • 329.3 mm
  • Weight
    • 5.57 kg
    • 6.59 kg
  • Number of screws
    • 20
    • 26

Side by side

Differences highlightedShow differences only
99 specifications
A

QNAP

TS-673 NAS Tower AMD Embedded R-Series SoC RX-421ND

Model TS-673

View product
B

QNAP

TS-873 NAS Tower AMD Embedded R-Series SoC RX-421ND

Model TS-873

View product
Storage1 differ
Storage drives installedNoNo
Total installed storage capacity0 TB0 TB
Number of storage drives installed00
Number of storage drives supportedDiffers68
Installed storage drive typeNoNo
Supported storage drive typesHDD & SSDHDD & SSD
Storage drive capacity0 GB0 GB
Supported storage drive interfacesSerial ATA, Serial ATA II, Serial ATA IIISerial ATA, Serial ATA II, Serial ATA III
Storage drive sizes supported2.5,3.5"2.5,3.5"
RAID supportYesYes
RAID levels0, 1, 5, 6, 10, JBOD0, 1, 5, 6, 10, JBOD
Hot-swap drive baysYesYes
Supported file systemsFAT32, HFS+, NTFS, exFAT, ext3, ext4FAT32, HFS+, NTFS, exFAT, ext3, ext4
Processoridentical
Processor familyAMD Embedded R-Series SoCAMD Embedded R-Series SoC
Processor modelRX-421NDRX-421ND
Processor frequency2.1 GHz2.1 GHz
Processor boost frequency3.4 GHz3.4 GHz
Processor cores44
Processor operating modesKnown for one64-bit
Memoryidentical
Internal memory4 GB4 GB
Internal memory typeDDR4DDR4
Maximum RAM supported64 GB64 GB
Memory form factorSO-DIMMSO-DIMM
Memory slots44
Flash memory512 MB512 MB
Networkidentical
Ethernet LANYesYes
Ethernet LAN data rates10,100,1000 Mbit/s10,100,1000 Mbit/s
Wi-FiNoNo
DHCP clientYesYes
DHCP serverYesYes
Jumbo frames supportYesYes
iSCSI supportYesYes
Wake-on-LAN readyYesYes
Dynamic DNS (DDNS)YesYes
Supported network protocolsIFS/SMB, AFP (v3.3), NFS(v3), FTP, FTPS, SFTP, TFTP, HTTP(S), Telnet, SSH, iSCSI, SNMP, SMTP, SMSCIFS/SMB, AFP (v3.3), NFS(v3), FTP, FTPS, SFTP, TFTP, HTTP(S), Telnet, SSH, iSCSI, SNMP, SMTP, SMSC
Ports & interfacesidentical
Ethernet LAN (RJ-45) ports44
USB portYesYes
USB 2.0 ports quantity00
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity44
Fiber ports quantity00
Audio in/outYesYes
Microphone inYesYes
PCI Express x4 (Gen 3.x) slots22
Design1 differ
Chassis typeTowerTower
Cooling typeActiveActive
Product colourBlackBlack
Number of fans3 fan(s)3 fan(s)
Fan diameterDiffers9 cm12 cm
Fan diameter 26 cm6 cm
LED indicatorsYesYes
Built-in displayYesYes
Cable lock slotYesYes
Cable lock slot typeKensingtonKensington
Performance1 differ
TypeNASNAS
Device classHome & Home OfficeHome & Home Office
Backup functionYesYes
Backup featuresCloud, USB drive, iSCSI LUNCloud, USB drive, iSCSI LUN
Multilingual supportYesYes
Noise levelDiffers23 dB23.4 dB
Share folder access right managementYesYes
Web-based managementYesYes
Access Control List (ACL)YesYes
Browser supportedInternet Explorer 10, Firefox 8, Safari 4, Google ChromeInternet Explorer 10, Firefox 8, Safari 4, Google Chrome
Built-in FTP serverYesYes
Built-in iTunes serverYesYes
Hot spareYesYes
On/off switchYesYes
Password authenticationYesYes
Reset buttonYesYes
S.M.A.R.T. supportYesYes
Security algorithms256-bit AES, FIPS 140-2, HTTPS, SNMP, SSH, SSL/TLS256-bit AES, FIPS 140-2, HTTPS, SNMP, SSH, SSL/TLS
Share folderCIFS/SMBCIFS/SMB
System logYesYes
Universal Plug and Play (UPnP)YesYes
Softwareidentical
Operating system installedQNAP Turbo SystemQNAP Turbo System
Operating system version4.3.44.3.4
Windows operating systems supportedWindows 10, Windows 7, Windows 8Windows 10, Windows 7, Windows 8
Linux operating systems supportedKnown for oneYes
Mac operating systems supportedKnown for oneYes
Server operating systems supportedKnown for oneWindows Server 2003, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2, Windows Server 2016
Power2 differ
Power supply locationBuilt-inBuilt-in
Power supply unit (PSU) capacity250 W250 W
Number of power supply units11
Power consumption (typical)Differs63.69 W70.26 W
Power consumption (HDD standby)Differs35.11 W36.43 W
AC input voltage100 - 240 V100 - 240 V
AC input frequency50 - 60 Hz50 - 60 Hz
Weight & dimensions2 differ
WidthDiffers264.3 mm329.3 mm
Depth279.6 mm279.6 mm
Height188.2 mm188.2 mm
WeightDiffers5.57 kg6.59 kg
Packaging content1 differ
Cables includedAC, LAN (RJ-45)AC, LAN (RJ-45)
Quick installation guideYesYes
Number of screwsDiffers2026
Operational conditionsidentical
Operating temperature (T-T)0 - 40 °C0 - 40 °C
Operating relative humidity (H-H)5 - 95%5 - 95%
Other featuresidentical
Digital Living Network Alliance (DLNA) certifiedYesYes
Power managementYesYes
Logistics dataidentical
Harmonized System (HS) codeKnown for one84714100

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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