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Product comparison · 2 nas & storage servers

QNAP TS-220 6TB vs QNAP TS-421 8TB

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  • 61specifications compared
  • 18differ
  • 43identical
  • 4known for one product only

Key differences

  • Total installed storage capacity
    • 6 TB
    • 8 TB
  • Number of storage drives installed
    • 2
    • 4
  • Number of storage drives supported
    • 2
    • 4
  • Storage drive capacity
    • 3 TB
    • 2 TB
  • Maximum supported storage capacity
    • 8 TB
    • 16 TB
  • 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
65 specifications
A

QNAP

TS-220 6TBView product
B

QNAP

TS-421 8TBView product
Storage5 differ
Total installed storage capacityDiffers6 TB8 TB
Number of storage drives installedDiffers24
Number of storage drives supportedDiffers24
Storage drive capacityDiffers3 TB2 TB
Storage drive interfaceSerial ATA IISerial ATA II
Storage drive size2.5/3.5"2.5/3.5"
HDD speedVariableVariable
Maximum supported storage capacityDiffers8 TB16 TB
RAID supportYesYes
RAID levelsKnown for one0, 1, JBOD
Hot-swap drive baysYesYes
Supported file systemsext3, ext4, FAT32, HFS+, NTFSext3, ext4, FAT32, HFS+, NTFS
Drive device, buffer size64 MB64 MB
Processor1 differ
Processor familyMarvellMarvell
Processor frequencyDiffers1.6 GHz2 GHz
Number of processors installed11
Memory1 differ
Internal memoryDiffers0.512 GB1 GB
Internal memory typeDDR3DDR3
Flash memory16 MB16 MB
Networkidentical
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
Cabling technology10/100/1000Base-T(X)10/100/1000Base-T(X)
Supported network protocolsCIFS/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
eSATAYesYes
Design2 differ
Chassis typeTowerTower
Product colourDiffersWhiteBlack
Number of fans1 fan(s)1 fan(s)
LED indicatorsDiffersHDD, LAN, Status, USBeSATA, HDD, LAN, Status, USB
Display typeKnown for oneLCD
Performance1 differ
BuzzerYesYes
Multilingual supportYesYes
Number of usersDiffers2048 user(s)4096 user(s)
Web-based managementYesYes
Access Control List (ACL)YesYes
On/off switchYesYes
Reset buttonYesYes
Security algorithmsKnown for oneHTTPS, SSH, SSL/TLS
Softwareidentical
Operating system installedQNAP Turbo SystemQNAP Turbo System
Operating system version4.04.0
Windows operating systems supportedYesYes
Linux operating systems supportedYesYes
Mac operating systems supportedYesYes
Power2 differ
Power supply unit (PSU) capacityDiffers60 W120 W
Number of power supply units11
Power consumption (sleep)Differs7 W13 W
AC input voltage100-240 V100-240 V
Weight & dimensions4 differ
WidthDiffers102 mm180 mm
DepthDiffers225 mm235 mm
HeightDiffers168.5 mm177 mm
WeightDiffers1.28 kg3 kg
Packaging contentidentical
External power adapterYesYes
Cables includedAC, LAN (RJ-45)AC, LAN (RJ-45)
Operational conditionsidentical
Operating temperature (T-T)0 - 40 °C0 - 40 °C
Operating relative humidity (H-H)0 - 95%0 - 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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