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Product comparison · 2 nas & storage servers

QNAP TS-873U NAS Rack (2U) 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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  • 75specifications compared
  • 6differ
  • 69identical
  • 7known for one product only

Key differences

  • Storage drive sizes supported
    • 2.5,3.5"
    • 2.5,3.5,M.2
  • Internal memory
    • 8 GB
    • 16 GB
  • Ethernet LAN data rates
    • 10,100,1000,10000 Mbit/s
    • 10,100,1000 Mbit/s
  • Number of power supply units
    • 1
    • 2

Side by side

Differences highlightedShow differences only
82 specifications
A

QNAP

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

Model TS-873U

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 supported88
Installed storage drive typeNoNo
Storage drive capacity0 GB0 GB
Supported storage drive interfacesDiffersSerial ATA, Serial ATA II, 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
Hot-swap drive baysYesYes
Supported file systemsFAT32, HFS+, NTFS, exFAT, ext3, ext4FAT32, HFS+, NTFS, exFAT, ext3, ext4
Supported storage drive typesKnown for oneHDD & SSD
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 cache2 MB2 MB
Memory1 differ
Internal memoryDiffers8 GB16 GB
Internal memory typeDDR4DDR4
Maximum RAM supported64 GB64 GB
Flash memory512 MB512 MB
Network1 differ
Ethernet LANYesYes
Ethernet LAN data ratesDiffers10,100,1000,10000 Mbit/s10,100,1000 Mbit/s
Wi-FiNoNo
DHCP clientYesYes
DHCP serverYesYes
Jumbo frames supportYesYes
iSCSI supportYesYes
Wake-on-LAN readyYesYes
Ethernet LAN data rate supported (max)Known for one10000 Mbit/s
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+
Designidentical
Chassis typeRack (2U)Rack (2U)
Cooling typeActiveActive
Product colourBlackBlack
Number of fans2 fan(s)2 fan(s)
Fan diameter7 cm7 cm
LED indicatorsYesYes
Performanceidentical
TypeNASNAS
Device classSmall & Medium BusinessSmall & Medium Business
Backup functionYesYes
Backup featuresiSCSI LUNiSCSI LUN
Multilingual supportYesYes
Share folder access right managementYesYes
Web-based managementYesYes
Access Control List (ACL)YesYes
Browser supportedApple Safari 7, Google Chrome, Microsoft Internet Explorer 10, Mozilla FirefoxApple Safari 7, Google Chrome, Microsoft Internet Explorer 10, Mozilla Firefox
Built-in FTP serverYesYes
On/off switchKnown for oneYes
Reset buttonYesYes
S.M.A.R.T. supportYesYes
Security algorithms256-bit AES, SNMPv3256-bit AES, SNMPv3
Share folderCIFS/SMBCIFS/SMB
Universal Plug and Play (UPnP)YesYes
Software1 differ
Operating system installedQNAP Turbo SystemQNAP Turbo System
Operating system version4.34.3
Windows operating systems supportedKnown for oneWindows 10, Windows 7, Windows 8
Linux operating systems supportedKnown 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 supportedKnown for oneWindows Server 2003, Windows Server 2008 R2, Windows Server 2012, Windows Server 2016
Power1 differ
Power supply locationBuilt-inBuilt-in
Power supply unit (PSU) capacity250 W250 W
Number of power supply unitsDiffers12
AC input voltage100 - 240 V100 - 240 V
AC input frequency50 - 60 Hz50 - 60 Hz
Fan voltage12 V12 V
Weight & dimensionsidentical
Width482 mm482 mm
Depth534 mm534 mm
Height89 mm89 mm
Packaging contentidentical
Cables includedAC, LAN (RJ-45)AC, LAN (RJ-45)
Quick installation guideYesYes
Number of screws5656
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) certifiedKnown 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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