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Product comparison · 2 nas & storage servers

QNAP TS-873U-RP-16G NAS Rack (2U) AMD Embedded R-Series SoC RX-421ND vs QNAP TS-873U-RP-64G NAS Rack (2U) AMD Embedded R-Series SoC RX-421ND

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  • 103specifications compared
  • 3differ
  • 100identical
  • 0known for one product only

Key differences

  • Total installed storage capacity
    • 16 TB
    • 24 TB
  • Storage drive capacity
    • 2 TB
    • 3 TB
  • Internal memory
    • 16 GB
    • 64 GB

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Differences highlightedShow differences only
103 specifications
A

QNAP

TS-873U-RP-16G NAS Rack (2U) AMD Embedded R-Series SoC RX-421ND

Model TS-873U-RP-16G

View product
B

QNAP

TS-873U-RP-64G NAS Rack (2U) AMD Embedded R-Series SoC RX-421ND

Model TS-873U-RP-64G

View product
Storage2 differ
Storage drives installedYesYes
Total installed storage capacityDiffers16 TB24 TB
Number of storage drives installed88
Number of storage drives supported1010
Installed storage drive typeHDDHDD
Supported storage drive typesHDD & SSDHDD & SSD
Storage drive capacityDiffers2 TB3 TB
Storage drive interfaceSerial ATA IIISerial ATA III
Supported storage drive interfacesM.2, Serial ATA IIIM.2, Serial ATA III
Storage drive sizes supported2.5,3.5"2.5,3.5"
Number of M.2 (M & B) slots22
RAID supportYesYes
RAID levels0, 1, 5, 6, 10, JBOD0, 1, 5, 6, 10, JBOD
Online RAID migrationYesYes
Online RAID expansionYesYes
Hot-swap drive baysYesYes
Supported file systemsFAT32, HFS+, NTFS, ext3, ext4FAT32, HFS+, NTFS, ext3, ext4
Bad block scanYesYes
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
Memory1 differ
Internal memoryDiffers16 GB64 GB
Internal memory typeDDR4DDR4
Maximum RAM supported64 GB64 GB
Memory form factorUDIMMUDIMM
Memory slots44
Flash memory512 MB512 MB
Networkidentical
Ethernet LANYesYes
Ethernet LAN data rates10,100,1000,10000 Mbit/s10,100,1000,10000 Mbit/s
Ethernet LAN data rate supported (max)10000 Mbit/s10000 Mbit/s
Wi-FiNoNo
DHCP clientYesYes
DHCP serverYesYes
Jumbo frames supportYesYes
iSCSI supportYesYes
Wake-on-LAN readyYesYes
Dynamic DNS (DDNS)YesYes
Supported network protocolsCIFS/SMB, AFP (v3.3), NFS (v3), FTP, FTPS, SFTP, TFTP, HTTP(S), Telnet, SSH, iSCSI, SNMP, SMTP, SMSCCIFS/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) slots11
Designidentical
Chassis typeRack (2U)Rack (2U)
Cooling typeActiveActive
Product colourBlack, GreyBlack, Grey
Number of fans2 fan(s)2 fan(s)
Fan diameter7 cm7 cm
LED indicatorsLAN, Power, Status, USBLAN, Power, Status, USB
Built-in displayNoNo
Performanceidentical
TypeNASNAS
Device classSmall & Medium BusinessSmall & Medium Business
Backup functionYesYes
Backup featuresCloud, iSCSI LUNCloud, iSCSI LUN
Multilingual supportYesYes
Third-party supportYesYes
Built-in optical driveNoNo
Card reader integratedNoNo
SnapshotYesYes
Web-based managementYesYes
Access Control List (ACL)YesYes
Browser supportedInternet Explorer 10+, Chrome, Safari 7+, FirefoxInternet Explorer 10+, Chrome, Safari 7+, Firefox
Built-in FTP serverYesYes
Built-in iTunes serverYesYes
Disk scanYesYes
Hot spareYesYes
On/off switchYesYes
Password authenticationYesYes
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 version4.34.3
Windows operating systems supportedWindows 10, Windows 7, Windows 8Windows 10, Windows 7, Windows 8
Linux operating systems supportedYesYes
Mac compatibilityYesYes
Mac operating systems supportedMac OS X 10.10 Yosemite, Mac OS X 10.11 El Capitan, Mac OS X 10.12 Sierra, Mac OS X 10.13 High 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 10.13 High Sierra, Mac OS X 10.7 Lion, Mac OS X 10.8 Mountain Lion, Mac OS X 10.9 Mavericks
Server operating systems supportedWindows Server 2003, Windows Server 2008 R2, Windows Server 2012, Windows Server 2016Windows Server 2003, Windows Server 2008 R2, Windows Server 2012, Windows Server 2016
Poweridentical
Power supply locationBuilt-inBuilt-in
Power supply unit (PSU) capacity250 W250 W
Number of power supply units22
Redundant power supply (RPS) supportYesYes
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
Quick start 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) certifiedYesYes
Power managementYesYes
I/O ports1x 3.5 mm1x 3.5 mm

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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