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Product comparison · 2 nas & storage servers

QNAP TS-1673U-RP NAS Rack (3U) AMD Embedded R-Series SoC RX-421ND vs QNAP TS-873U-RP NAS Rack (2U) AMD Embedded R-Series SoC RX-421ND

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  • 76specifications compared
  • 20differ
  • 56identical
  • 17known for one product only

Key differences

  • Number of storage drives supported
    • 16
    • 8
  • Storage drive sizes supported
    • 2.5,3.5"
    • 2.5,3.5,M.2
  • Internal memory
    • 64 GB
    • 16 GB
  • Ethernet LAN data rates
    • 10,100,1000,10000 Mbit/s
    • 10,100,1000 Mbit/s
  • Chassis type
    • Rack (3U)
    • Rack (2U)
  • Number of fans
    • 4 fan(s)
    • 2 fan(s)
  • Fan diameter
    • 9.2 cm
    • 7 cm
  • LED indicators
    • HDD, LAN, Power, Status
    • Yes

Side by side

Differences highlightedShow differences only
93 specifications
A

QNAP

TS-1673U-RP NAS Rack (3U) AMD Embedded R-Series SoC RX-421ND

Model TS-1673U-RP

View product
B

QNAP

TS-873U-RP NAS Rack (2U) AMD Embedded R-Series SoC RX-421ND

Model TS-873U-RP

View product
Storage2 differ
Storage drives installedNoNo
Total installed storage capacity0 TB0 TB
Number of storage drives installed00
Number of storage drives supportedDiffers168
Installed storage drive typeNoNo
Supported storage drive typesKnown for oneHDD & SSD
Storage drive capacity0 GB0 GB
Supported storage drive interfacesM.2, Serial ATA IIIM.2, Serial ATA III
Storage drive sizes supportedDiffers2.5,3.5"2.5,3.5,M.2
Number of M.2 (M & B) slots22
RAID supportYesYes
RAID levels0, 1, 5, 6, 10, JBOD0, 1, 5, 6, 10, JBOD
Supported file systemsFAT32, HFS+, NTFS, exFAT, ext3, ext4FAT32, HFS+, NTFS, exFAT, ext3, ext4
Bad block scanKnown for oneYes
Hot-swap drive baysKnown for oneYes
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
L2 cacheKnown for one2 MB
Memory1 differ
Internal memoryDiffers64 GB16 GB
Internal memory typeDDR4DDR4
Maximum RAM supported64 GB64 GB
Memory slotsKnown for one4
Flash memory512 MB512 MB
Network1 differ
Ethernet LANYesYes
Ethernet LAN data ratesDiffers10,100,1000,10000 Mbit/s10,100,1000 Mbit/s
Ethernet LAN data rate supported (max)Known for one10000 Mbit/s
Wi-FiNoNo
DHCP clientYesYes
DHCP serverYesYes
Jumbo frames supportYesYes
iSCSI supportYesYes
Wake-on-LAN readyYesYes
Dynamic DNS (DDNS)Known for oneYes
Supported network protocolsKnown for oneCIFS/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 quantity44
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity22
Fiber ports quantity22
Fiber optic connectorSFP+SFP+
PCI Express x4 (Gen 3.x) slotsKnown for one1
Design4 differ
Chassis typeDiffersRack (3U)Rack (2U)
Cooling typeActiveActive
Product colourBlackBlack
Number of fansDiffers4 fan(s)2 fan(s)
Fan diameterDiffers9.2 cm7 cm
LED indicatorsDiffersHDD, LAN, Power, StatusYes
Performance3 differ
TypeNASNAS
Device classSmall & Medium BusinessSmall & Medium Business
Backup functionYesYes
Backup featuresDiffersCloud, iSCSI LUNiSCSI LUN
Multilingual supportYesYes
Web-based managementYesYes
Access Control List (ACL)YesYes
Browser supportedDiffersMicrosoft Internet Explorer 10+, Google Chrome, Apple Safari 7+, Mozilla FirefoxApple Safari 7, Google Chrome, Microsoft Internet Explorer 10, Mozilla Firefox
Built-in FTP serverYesYes
Built-in iTunes serverKnown for oneYes
On/off switchYesYes
Reset buttonYesYes
S.M.A.R.T. supportYesYes
Security algorithmsDiffers256-bit AES, FIPS 140-2, HTTPS, SNMP, SNMPv3, SSH, SSL/TLS256-bit AES, SNMPv3
Share folderCIFS/SMBCIFS/SMB
System logKnown for oneYes
Share folder access right managementKnown for oneYes
Universal Plug and Play (UPnP)Known for oneYes
Software3 differ
Operating system installedQNAP Turbo SystemQNAP Turbo System
Operating system version4.34.3
Windows operating systems supportedDiffersWindows 10, Windows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10 Enterprise x64, Windows 10 Home, Windows 10 Home x64, Windows 10 IOT Core, Windows 10 Pro, Windows 10 Pro x64, Windows 7 Enterprise, Windows 7 Enterprise x64, Windows 7 Home Basic, Windows 7 Home Basic x64,Windows 10, Windows 7, Windows 8
Linux operating systems supportedYesYes
Mac compatibilityKnown for oneYes
Mac operating systems supportedDiffersMac OS X 10.10 Yosemite, Mac OS X 10.11 El Capitan, Mac OS X 10.12 Sierra, Mac OS X 10.7 Lion, Mac OS X 10.8 Mountain Lion, Mac OS X 10.9 MavericksMac OS X 10.10 Yosemite, Mac OS X 10.11 El Capitan, Mac OS X 10.12 Sierra, Mac OS X 10.8 Mountain Lion, Mac OS X 10.9 Mavericks
Server operating systems supportedDiffersWindows Server 2003, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2Windows Server 2003, Windows Server 2008 R2, Windows Server 2012, Windows Server 2016
Power2 differ
Power supply locationBuilt-inBuilt-in
Power supply unit (PSU) capacityDiffers500 W250 W
Number of power supply units22
Redundant power supply (RPS) supportKnown for oneYes
AC input voltageDiffers100-240 V100 - 240 V
AC input frequency50 - 60 Hz50 - 60 Hz
Fan voltage12 V12 V
Weight & dimensions3 differ
WidthDiffers481 mm482 mm
DepthDiffers536 mm534 mm
HeightDiffers130 mm89 mm
WeightKnown for one15.4 kg
Packaging content1 differ
Cables includedAC, LAN (RJ-45)AC, LAN (RJ-45)
Quick installation guideYesYes
Number of screwsDiffers11256
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 managementKnown for oneYes

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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