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Product comparison · 2 nas & storage servers

QNAP TVS-473-8G NAS Tower AMD Embedded R-Series SoC RX-421BD vs QNAP TVS-673-16G NAS Tower AMD Embedded R-Series SoC RX-421BD

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  • 91specifications compared
  • 13differ
  • 78identical
  • 6known for one product only

Key differences

The QNAP TVS-673-16G NAS Tower AMD Embedded R-Series SoC RX-421BD has 2 TB more total installed storage capacity than the QNAP TVS-473-8G NAS Tower AMD Embedded R-Series SoC RX-421BD (6 TB vs 4 TB). The QNAP TVS-673-16G NAS Tower AMD Embedded R-Series SoC RX-421BD has 2 more storage drives installed than the QNAP TVS-473-8G NAS Tower AMD Embedded R-Series SoC RX-421BD (6 vs 4). The QNAP TVS-673-16G NAS Tower AMD Embedded R-Series SoC RX-421BD has 2 more storage drives supported than the QNAP TVS-473-8G NAS Tower AMD Embedded R-Series SoC RX-421BD (6 vs 4). Number of fans: 1 fan(s) on the QNAP TVS-473-8G NAS Tower AMD Embedded R-Series SoC RX-421BD, 2 fan(s) on the QNAP TVS-673-16G NAS Tower AMD Embedded R-Series SoC RX-421BD. LED indicators: Yes on the QNAP TVS-473-8G NAS Tower AMD Embedded R-Series SoC RX-421BD, HDD, LAN, Power, Status, USB on the QNAP TVS-673-16G NAS Tower AMD Embedded R-Series SoC RX-421BD.

  • Total installed storage capacity
    • 4 TB
    • 6 TB
  • Number of storage drives installed
    • 4
    • 6
  • Number of storage drives supported
    • 4
    • 6
  • Internal memory
    • 8 GB
    • 16 GB
  • Number of fans
    • 1 fan(s)
    • 2 fan(s)
  • Fan diameter
    • 12 cm
    • 9 cm
  • LED indicators
    • Yes
    • HDD, LAN, Power, Status, USB
  • Power supply unit (PSU) capacity
    • 250 W
    • 240 W

Side by side

Differences highlightedShow differences only
97 specifications
A

QNAP

TVS-473-8G NAS Tower AMD Embedded R-Series SoC RX-421BD

Model TVS-473-8G

View product
B

QNAP

TVS-673-16G NAS Tower AMD Embedded R-Series SoC RX-421BD

Model TVS-673-16G

View product
Storage3 differ
Storage drives installedYesYes
Total installed storage capacityDiffers4 TB6 TB
Number of storage drives installedDiffers46
Number of storage drives supportedDiffers46
Installed storage drive typeHDDHDD
Supported storage drive typesHDD & SSDHDD & SSD
Storage drive capacity1 TB1 TB
Storage drive interfaceKnown for oneSerial 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"
RAID supportYesYes
RAID levels0, 1, 5, 6, 10, JBOD0, 1, 5, 6, 10, JBOD
Hot-swap drive baysYesYes
Supported file systemsFAT32, HFS+, NTFS, ext3, ext4FAT32, HFS+, NTFS, ext3, ext4
Number of M.2 (M & B) slotsKnown for one2
Processoridentical
Processor familyAMD Embedded R-Series SoCAMD Embedded R-Series SoC
Processor modelRX-421BDRX-421BD
Processor frequency2.1 GHz2.1 GHz
Processor boost frequencyKnown for one3.4 GHz
Processor cores44
Memory1 differ
Internal memoryDiffers8 GB16 GB
Internal memory typeDDR4DDR4
Maximum RAM supported64 GB64 GB
Memory slots44
Flash memory512 MB512 MB
Network1 differ
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
Link aggregationYesYes
Supported network protocolsDiffersCIFS/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
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
HDMI ports quantity22
Design3 differ
Chassis typeTowerTower
Cooling typeActiveActive
Product colourGoldGold
Number of fansDiffers1 fan(s)2 fan(s)
Fan diameterDiffers12 cm9 cm
LED indicatorsDiffersYesHDD, LAN, Power, Status, USB
Built-in displayYesYes
Display typeLCDLCD
Cable lock slotYesYes
Cable lock slot typeKensingtonKensington
Performance1 differ
TypeNASNAS
Device classSmall & Medium BusinessSmall & Medium Business
Backup functionYesYes
Backup featuresCloud, iSCSI LUNCloud, iSCSI LUN
BuzzerYesYes
Multilingual supportYesYes
Built-in optical driveKnown for oneNo
Management protocolsKnown for oneSNMP v2 & v3
Share folder access right managementYesYes
Web-based managementYesYes
Access Control List (ACL)YesYes
Browser supportedMicrosoft Internet Explorer 10+, Mozilla Firefox 8+, Apple Safari 4+, Google ChromeMicrosoft Internet Explorer 10+, Mozilla Firefox 8+, Apple Safari 4+, Google Chrome
Built-in FTP serverYesYes
Built-in UPnP AV media serverYesYes
Built-in iTunes serverYesYes
Disk scanYesYes
Hot spareYesYes
On/off switchYesYes
Password authenticationYesYes
Reset buttonYesYes
S.M.A.R.T. supportYesYes
Security algorithmsDiffers256-bit AES, FIPS 140-2, SSH, SSL/TLS256-bit AES, AES, FIPS 140-2, HTTPS, SSH, SSL/TLS
Share folderCIFS/SMBCIFS/SMB
System logYesYes
Software1 differ
Operating system installedQNAP Turbo SystemQNAP Turbo System
Operating system version4.34.3
Windows operating systems supportedDiffersWindows 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 7 HWindows 10 Enterprise, Windows 7 Enterprise, Windows 8 Enterprise
Linux operating systems supportedYesYes
Mac operating systems supportedYesYes
Server operating systems supportedWindows Server 2003, Windows Server 2003 R2, Windows Server 2008, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2Windows Server 2003, Windows Server 2003 R2, Windows Server 2008, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2
Power1 differ
Power supply locationBuilt-inBuilt-in
Power supply unit (PSU) capacityDiffers250 W240 W
Number of power supply units11
Power consumption (typical)Known for one56.23 W
AC input voltage100-240 V100-240 V
AC input frequency50 - 60 Hz50 - 60 Hz
Output current3.5 A3.5 A
Weight & dimensions1 differ
WidthDiffers199.3 mm264.3 mm
Depth279.6 mm279.6 mm
Height188.2 mm188.2 mm
Packaging content1 differ
Cables includedAC, LAN (RJ-45)AC, LAN (RJ-45)
Quick installation guideYesYes
Number of screwsDiffers1218
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

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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