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Product comparison · 2 nas & storage servers

QNAP TS-121 + 4TBWDRED vs QNAP TS-420U + 4x 4TBWDRED

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  • 66specifications compared
  • 21differ
  • 45identical
  • 5known for one product only

Key differences

  • Total installed storage capacity
    • 4 TB
    • 16 TB
  • Number of storage drives installed
    • 1
    • 4
  • Number of storage drives supported
    • 1
    • 4
  • Supported storage drive types
    • HDD & SSD
    • HDD
  • RAID levels
    • 1
    • 0, 1, 5, 6, 10, JBOD
  • Processor frequency
    • 2 GHz
    • 1.6 GHz
  • Ethernet LAN (RJ-45) ports
    • 1
    • 2
  • USB 2.0 ports quantity
    • 1
    • 2

Side by side

Differences highlightedShow differences only
71 specifications
A

QNAP

TS-121 + 4TBWDREDView product
B

QNAP

TS-420U + 4x 4TBWDREDView product
Storage5 differ
Storage drives installedYesYes
Total installed storage capacityDiffers4 TB16 TB
Number of storage drives installedDiffers14
Number of storage drives supportedDiffers14
Installed storage drive typeHDDHDD
Supported storage drive typesDiffersHDD & SSDHDD
Storage drive capacity4 TB4 TB
Storage drive interfaceSerial ATA, Serial ATA IISerial ATA, Serial ATA II
Storage drive size2.5/3.5"2.5/3.5"
Maximum supported storage capacityKnown for one4 TB
RAID supportYesYes
RAID levelsDiffers10, 1, 5, 6, 10, JBOD
Hot-swap drive baysYesYes
Processor1 differ
Processor familyMarvellMarvell
Processor frequencyDiffers2 GHz1.6 GHz
Memoryidentical
Internal memory1 GB1 GB
Internal memory typeDDR3DDR3
Flash memory16 MB16 MB
Network1 differ
Ethernet LANYesYes
Ethernet LAN data rates10,100,1000 Mbit/s10,100,1000 Mbit/s
Wi-FiNoNo
DHCP clientYesYes
DHCP serverYesYes
iSCSI supportYesYes
Wake-on-LAN readyYesYes
Supported network protocolsDiffersCIFS/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
Jumbo frames supportKnown for oneYes
Ports & interfaces3 differ
Ethernet LAN (RJ-45) portsDiffers12
USB 2.0 ports quantityDiffers12
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity22
Fiber ports quantity00
eSATA ports quantityDiffers12
Design2 differ
Chassis typeDiffersTowerRack (1U)
Cooling typeActiveActive
Product colourBlackBlack
Number of fans1 fan(s)1 fan(s)
Fan diameterDiffers5 cm4 cm
LED indicatorsHDD, LAN, Status, USBHDD, LAN, Status, USB
Cable lock slotYesYes
Cable lock slot typeKensingtonKensington
Performance2 differ
TypeNASNAS
Device classDiffersHome & Home OfficeSmall & Medium Business
Backup functionYesYes
BuzzerYesYes
Multilingual supportYesYes
Number of usersDiffers2048 user(s)4096 user(s)
On/off switchYesYes
Reset buttonYesYes
Software1 differ
Operating system installedDiffersQNAP Turbo SystemQNAP Firmware
Operating system versionKnown for one4.0
Windows operating systems supportedWindows 7 Home Basic, Windows 7 Home Basic x64, Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, Windows 7 Starter, Windows 7 Starter x64, Windows 7 Ultimate, Windows 7 Ultimate x64, Windows 8, Windows 8 Enterprise, Windows 8 Enterprise x64, WinWindows 7 Home Basic, Windows 7 Home Basic x64, Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, Windows 7 Starter, Windows 7 Starter x64, Windows 7 Ultimate, Windows 7 Ultimate x64, Windows 8, Windows 8 Enterprise, Windows 8 Enterprise x64, Win
Linux operating systems supportedYesYes
Mac operating systems supportedYesYes
Server operating systems supportedWindows Server 2003, Windows Server 2003 R2, Windows Server 2003 x64, Windows Server 2008, Windows Server 2008 R2, Windows Server 2008 x64, Windows Server 2012, Windows Server 2012 R2Windows Server 2003, Windows Server 2003 R2, Windows Server 2003 x64, Windows Server 2008, Windows Server 2008 R2, Windows Server 2008 x64, Windows Server 2012, Windows Server 2012 R2
Other operating systems supportedAndroidAndroid
Power2 differ
Power supply locationDiffersExternalBuilt-in
Power supply unit (PSU) capacityDiffers36 W250 W
Number of power supply units11
Power consumption (typical)Known for one7 W
Power consumption (sleep)Known for one4 W
AC input voltage100-240 V100-240 V
AC input frequency50 - 60 Hz50 - 60 Hz
Fan voltage12 V12 V
Weight & dimensions3 differ
WidthDiffers67 mm439 mm
DepthDiffers216 mm483 mm
HeightDiffers150 mm44 mm
Packaging content1 differ
External power adapterDiffersYesNo
Cables includedAC, LAN (RJ-45)AC, LAN (RJ-45)
Quick installation guideYesYes
Operational conditionsidentical
Operating temperature (T-T)0 - 40 °C0 - 40 °C
Operating relative humidity (H-H)5 - 95%5 - 95%

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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