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Product comparison · 2 nas & storage servers

QNAP TS-221 NAS/storage server Tower Marvell vs QNAP TS-421U NORAIL

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  • 38specifications compared
  • 12differ
  • 26identical
  • 29known for one product only

Key differences

  • Number of storage drives supported
    • 2
    • 4
  • Storage drive interface
    • Serial ATA II
    • Serial ATA, Serial ATA II
  • Maximum supported storage capacity
    • 8 TB
    • 12 TB
  • RAID levels
    • 0, 1, JBOD
    • 0, 1, 6, 10
  • Ethernet LAN (RJ-45) ports
    • 1
    • 2
  • USB 2.0 ports quantity
    • 1
    • 2
  • Number of fans
    • 1 fan(s)
    • 2 fan(s)
  • LED indicators
    • HDD, LAN, Status, USB
    • HDD, Status, USB

Side by side

Differences highlightedShow differences only
67 specifications
A

QNAP

TS-221 NAS/storage server Tower Marvell

Model TS-221

View product
B

QNAP

TS-421U NORAILView product
Storage4 differ
Total installed storage capacityKnown for one0 TB
Number of storage drives installedKnown for one0
Number of storage drives supportedDiffers24
Storage drive capacityKnown for one0 GB
Storage drive interfaceDiffersSerial ATA IISerial ATA, Serial ATA II
Storage drive size2.5/3.5"2.5/3.5"
Maximum supported storage capacityDiffers8 TB12 TB
RAID supportYesYes
RAID levelsDiffers0, 1, JBOD0, 1, 6, 10
Hot-swap drive baysYesYes
Supported file systemsext3, ext4, FAT32, HFS+, NTFSext3, ext4, FAT32, HFS+, NTFS
Processoridentical
Processor familyMarvellMarvell
Processor frequency2 GHz2 GHz
Number of processors installed11
Memoryidentical
Internal memory1 GB1 GB
Internal memory typeDDR3DDR3
Flash memory16 MB16 MB
Networkidentical
Ethernet LANYesYes
Ethernet LAN data ratesKnown for one10,100,1000 Mbit/s
Wi-FiNoNo
DHCP clientKnown for oneYes
DHCP serverKnown for oneYes
iSCSI supportYesYes
Wake-on-LAN readyYesYes
Cabling technologyKnown for one10/100/1000Base-T(X)
Supported network protocolsKnown for oneCIFS/SMB, AFP (v3.3), NFS (v3), FTP, FTPS, SFTP, TFTP, HTTP(S), Telnet, SSH, iSCSI, SNMP, SMTP, SMSC
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 typeKnown for oneTower
Product colourBlackBlack
Number of fansDiffers1 fan(s)2 fan(s)
LED indicatorsDiffersHDD, LAN, Status, USBHDD, Status, USB
Performanceidentical
BuzzerKnown for oneYes
Multilingual supportKnown for oneYes
Number of usersKnown for one2048 user(s)
Noise levelKnown for one25.3 dB
Noise level (idle)Known for one11.9 dB
Web-based managementKnown for oneYes
Access Control List (ACL)YesYes
On/off switchKnown for oneYes
Reset buttonKnown for oneYes
Security algorithmsKnown for oneHTTPS, SSH, SSL/TLS
Management protocolsKnown for oneSNMP
Softwareidentical
Operating system installedKnown for oneQNAP Turbo System
Operating system versionKnown for one4.0
Windows operating systems supportedYesYes
Linux operating systems supportedYesYes
Mac operating systems supportedYesYes
Poweridentical
Power supply unit (PSU) capacityKnown for one60 W
Number of power supply unitsKnown for one1
Power consumption (sleep)Known for one8 W
AC input voltage100-240 V100-240 V
Power consumption (typical)Known for one250 W
AC input frequencyKnown for one50 - 60 Hz
Weight & dimensions4 differ
WidthDiffers102 mm439 mm
DepthDiffers216 mm483 mm
HeightDiffers150 mm44 mm
WeightDiffers1.74 kg6.7 kg
Packaging contentidentical
External power adapterKnown for oneYes
Cables includedKnown for oneAC, LAN (RJ-45)
Operational conditionsidentical
Operating temperature (T-T)0 - 40 °C0 - 40 °C
Operating relative humidity (H-H)0 - 95%0 - 95%
Other featuresidentical
Performance managementKnown for oneS.M.A.R.T., HHS

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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