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Product comparison · 2 nas & storage servers

QNAP TS-873U-4G NAS Rack (2U) RX-421ND vs QNAP TVS-873-16G NAS Tower RX-421BD

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  • 77specifications compared
  • 24differ
  • 53identical
  • 22known for one product only

Key differences

  • Number of storage drives supported
    • 8
    • 10
  • Storage drive interface
    • Serial ATA III
    • M.2, Serial ATA III
  • Processor model
    • RX-421ND
    • RX-421BD
  • Internal memory
    • 4 GB
    • 16 GB
  • Ethernet LAN data rates
    • 10,100,1000,10000 Mbit/s
    • 10,100,1000 Mbit/s
  • USB 2.0 ports quantity
    • 4
    • 0
  • USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity
    • 2
    • 4
  • Fiber ports quantity
    • 2
    • 0

Side by side

Differences highlightedShow differences only
99 specifications
A

QNAP

TS-873U-4G NAS Rack (2U) RX-421ND

Model TS-873U-4G

View product
B

QNAP

TVS-873-16G NAS Tower RX-421BD

Model TVS-873-16G

View product
Storage3 differ
Number of storage drives supportedDiffers810
Storage drive interfaceDiffersSerial ATA IIIM.2, Serial ATA III
Supported file systemsDiffersFAT32, HFS+, NTFS, exFAT, ext3, ext4FAT32, HFS+, NTFS, ext3, ext4
Bad block scanKnown for oneYes
Processor1 differ
Processor modelDiffersRX-421NDRX-421BD
Processor boost frequencyKnown for one3.4 GHz
Memory1 differ
Internal memoryDiffers4 GB16 GB
Memory form factorKnown for oneUDIMM
Network2 differ
Ethernet LAN data ratesDiffers10,100,1000,10000 Mbit/s10,100,1000 Mbit/s
Supported network protocolsDiffersIFS/SMB, AFP (v3.3), NFS(v3), FTP, FTPS, SFTP, TFTP, HTTP(S), Telnet, SSH, iSCSI, SNMP, SMTP, SMSCCIFS/SMB, SMB2.1, SMB3.0, AFP (v3.3), NFS(v3), FTP, FTPS, SFTP, TFTP, HTTP(S), Telnet, SSH, iSCSI, SNMP, SMTP, SMSC
Dynamic DNS (DDNS)Known for oneYes
Ports & interfaces3 differ
USB 2.0 ports quantityDiffers40
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers24
Fiber ports quantityDiffers20
HDMI ports quantityKnown for one2
Fiber optic connectorKnown for oneSFP+
PCI Express x4 (Gen 3.x) slotsKnown for one1
Design4 differ
Chassis typeDiffersRack (2U)Tower
Product colourDiffersBlackGold
Fan diameterDiffers7 cm12 cm
LED indicatorsDiffersYesHDD, LAN, Power, Status, USB
Built-in displayKnown for oneYes
Display typeKnown for oneLCD
Cable lock slotKnown for oneYes
Cable lock slot typeKnown for oneKensington
Performance3 differ
Backup featuresDiffersCloud, USB drive, iSCSI LUNCloud, iSCSI LUN
BuzzerKnown for oneYes
Browser supportedDiffersInternet Explorer 10, Firefox 8, Safari 4, Google ChromeMicrosoft Internet Explorer 10+, Mozilla Firefox 8+, Apple Safari 4+, Google Chrome
Built-in UPnP AV media serverKnown for oneYes
Disk scanKnown for oneYes
Remotely operatedKnown for oneYes
Security algorithmsDiffers256-bit AES, FIPS 140-2, SNMP, SNMPv3, SSL/TLS256-bit AES, AES, FIPS 140-2, HTTPS, SSH, SSL/TLS
Universal Plug and Play (UPnP)Known for oneYes
Softwareidentical
Windows operating systems supportedKnown for oneWindows 10 Enterprise, Windows 7 Enterprise, Windows 8 Enterprise
Linux operating systems supportedKnown for oneYes
Mac operating systems supportedKnown for oneYes
Server operating systems supportedKnown for oneWindows Server 2003, Windows Server 2003 R2, Windows Server 2008, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2
Power2 differ
Power supply unit (PSU) capacityDiffers250 W240 W
AC input voltageDiffers100 - 240 V100-240 V
Output currentKnown for one3.5 A
Fan voltageKnown for one12 V
Weight & dimensions4 differ
WidthDiffers482 mm329.3 mm
DepthDiffers534 mm279.6 mm
HeightDiffers89 mm188.2 mm
WeightDiffers9.85 kg6.52 kg
Packaging content1 differ
Number of screwsDiffers5624

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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