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Product comparison · 2 nas & storage servers

QNAP TS-220 + 2x 2TBWD10EFR vs QNAP TS-421U + 4x 1TBWDRED

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  • 65specifications compared
  • 21differ
  • 44identical
  • 6known for one product only

Key differences

  • Number of storage drives installed
    • 2
    • 4
  • Number of storage drives supported
    • 2
    • 4
  • Supported storage drive types
    • HDD & SSD
    • HDD
  • Storage drive capacity
    • 2 TB
    • 1 TB
  • RAID levels
    • 0, 1, JBOD
    • 0, 1, 5, 6, 10, JBOD
  • Processor frequency
    • 1.6 GHz
    • 2 GHz
  • Internal memory
    • 0.512 GB
    • 1 GB
  • Ethernet LAN (RJ-45) ports
    • 1
    • 2

Side by side

Differences highlightedShow differences only
71 specifications
A

QNAP

TS-220 + 2x 2TBWD10EFRView product
B

QNAP

TS-421U + 4x 1TBWDREDView product
Storage5 differ
Storage drives installedYesYes
Total installed storage capacity4 TB4 TB
Number of storage drives installedDiffers24
Number of storage drives supportedDiffers24
Installed storage drive typeHDDHDD
Supported storage drive typesDiffersHDD & SSDHDD
Storage drive capacityDiffers2 TB1 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 one8 TB
RAID supportYesYes
RAID levelsDiffers0, 1, JBOD0, 1, 5, 6, 10, JBOD
Hot-swap drive baysYesYes
Processor1 differ
Processor familyMarvellMarvell
Processor frequencyDiffers1.6 GHz2 GHz
Memory1 differ
Internal memoryDiffers0.512 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 & interfaces2 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 quantity22
Design3 differ
Chassis typeDiffersTowerRack (1U)
Cooling typeActiveActive
Product colourDiffersWhiteBlack
Number of fans1 fan(s)1 fan(s)
Fan diameterDiffers7 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
Security algorithmsHTTPS, SSH, SSL/TLSHTTPS, SSH, SSL/TLS
Softwareidentical
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
Operating system installedKnown for oneQNAP Turbo System
Power2 differ
Power supply locationDiffersExternalBuilt-in
Power supply unit (PSU) capacityDiffers36 W250 W
Number of power supply units11
Power consumption (typical)Known for one19 W
Power consumption (sleep)Known for one7 W
AC input voltage100-240 V100-240 V
Fan voltage12 V12 V
AC input frequencyKnown for one50 - 60 Hz
Weight & dimensions3 differ
WidthDiffers102 mm439 mm
DepthDiffers225 mm483 mm
HeightDiffers168.5 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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