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Product comparison · 2 nas & storage servers

QNAP TVS-673-8G NAS Tower AMD Embedded R-Series SoC RX-421BD vs QNAP TVS-873-64G NAS Tower RX-421BD

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  • 87specifications compared
  • 8differ
  • 79identical
  • 9known for one product only

Key differences

The QNAP TVS-873-64G NAS Tower RX-421BD has 15,994 TB more total installed storage capacity than the QNAP TVS-673-8G NAS Tower AMD Embedded R-Series SoC RX-421BD (16000 TB vs 6 TB). The QNAP TVS-873-64G NAS Tower RX-421BD has 2 more storage drives installed than the QNAP TVS-673-8G NAS Tower AMD Embedded R-Series SoC RX-421BD (8 vs 6). The QNAP TVS-873-64G NAS Tower RX-421BD has 4 more storage drives supported than the QNAP TVS-673-8G NAS Tower AMD Embedded R-Series SoC RX-421BD (10 vs 6).

  • Total installed storage capacity
    • 6 TB
    • 16000 TB
  • Number of storage drives installed
    • 6
    • 8
  • Number of storage drives supported
    • 6
    • 10
  • Storage drive capacity
    • 1 TB
    • 2 TB
  • Internal memory
    • 8 GB
    • 64 GB
  • Fan diameter
    • 9 cm
    • 12 cm
  • Width
    • 264.3 mm
    • 329.3 mm
  • Number of screws
    • 18
    • 24

Side by side

Differences highlightedShow differences only
96 specifications
A

QNAP

TVS-673-8G NAS Tower AMD Embedded R-Series SoC RX-421BD

Model TVS-673-8G

View product
B

QNAP

TVS-873-64G NAS Tower RX-421BD

Model TVS-873-64G

View product
Storage4 differ
Storage drives installedYesYes
Total installed storage capacityDiffers6 TB16000 TB
Number of storage drives installedDiffers68
Number of storage drives supportedDiffers610
Installed storage drive typeHDDHDD
Supported storage drive typesHDD & SSDHDD & SSD
Storage drive capacityDiffers1 TB2 TB
Supported storage drive interfacesKnown for oneM.2, Serial ATA III
Storage drive sizes supportedKnown for one2.5,3.5"
Number of M.2 (M & B) slotsKnown for one2
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
Storage drive interfaceKnown for oneM.2, Serial ATA III
Storage drive sizeKnown for one2.5/3.5"
Processoridentical
Processor familyKnown for oneAMD Embedded R-Series SoC
Processor modelRX-421BDRX-421BD
Processor frequency2.1 GHz2.1 GHz
Processor coresKnown for one4
Memory1 differ
Internal memoryDiffers8 GB64 GB
Internal memory typeDDR4DDR4
Maximum RAM supported64 GB64 GB
Memory slots44
Flash memory512 MB512 MB
Networkidentical
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 protocolsCIFS/SMB, SMB2.1, SMB3.0, 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
Design1 differ
Chassis typeTowerTower
Cooling typeActiveActive
Product colourGoldGold
Number of fans2 fan(s)2 fan(s)
Fan diameterDiffers9 cm12 cm
LED indicatorsHDD, LAN, Power, Status, USBHDD, LAN, Power, Status, USB
Built-in displayYesYes
Display typeLCDLCD
Cable lock slotYesYes
Cable lock slot typeKensingtonKensington
Performanceidentical
TypeNASNAS
Device classSmall & Medium BusinessSmall & Medium Business
Backup functionYesYes
Backup featuresCloud, iSCSI LUNCloud, iSCSI LUN
BuzzerYesYes
Multilingual supportYesYes
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 algorithms256-bit AES, AES, FIPS 140-2, HTTPS, SSH, SSL/TLS256-bit AES, AES, FIPS 140-2, HTTPS, SSH, SSL/TLS
Share folderCIFS/SMBCIFS/SMB
System logYesYes
Remotely operatedKnown for oneYes
Softwareidentical
Operating system installedQNAP Turbo SystemQNAP Turbo System
Operating system version4.34.3
Windows operating systems supportedWindows 10 Enterprise, Windows 7 Enterprise, Windows 8 EnterpriseWindows 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
Poweridentical
Power supply locationBuilt-inBuilt-in
Power supply unit (PSU) capacity240 W240 W
Number of power supply units11
AC input voltage100-240 V100-240 V
AC input frequency50 - 60 Hz50 - 60 Hz
Output current3.5 A3.5 A
Weight & dimensions1 differ
WidthDiffers264.3 mm329.3 mm
Depth279.6 mm279.6 mm
Height188.2 mm188.2 mm
WeightKnown for one6.52 kg
Packaging content1 differ
Cables includedAC, LAN (RJ-45)AC, LAN (RJ-45)
Quick installation guideYesYes
Number of screwsDiffers1824
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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