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Product comparison · 2 nas & storage servers

Seagate BlackArmor NAS 420 vs Zyxel NSA221 0 TB

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  • 12specifications compared
  • 12differ
  • 0identical
  • 26known for one product only

Key differences

  • Total installed storage capacity
    • 4 TB
    • 0 TB
  • Number of storage drives installed
    • 2
    • 0
  • Storage drive capacity
    • 4 TB
    • 0 GB
  • Storage drive interface
    • Serial ATA II
    • Serial ATA
  • RAID levels
    • 0, 1, 5, 10, JBOD
    • 1, JBOD
  • Ethernet LAN (RJ-45) ports
    • 2
    • 1
  • USB 2.0 ports quantity
    • 4
    • 3
  • Weight
    • 4.8 kg
    • 1.06 kg

Side by side

Differences highlightedShow differences only
38 specifications
A

Seagate

BlackArmor NAS 420View product
B

Zyxel

NSA221 0 TB

Model NSA221

View product
Storage5 differ
Total installed storage capacityDiffers4 TB0 TB
Number of storage drives installedDiffers20
Number of storage drives supportedKnown for one2
Storage drive capacityDiffers4 TB0 GB
Storage drive interfaceDiffersSerial ATA IISerial ATA
Storage drive sizeKnown for one3.5"
Maximum supported storage capacityKnown for one4 TB
RAID levelsDiffers0, 1, 5, 10, JBOD1, JBOD
Supported file systemsKnown for oneEXT2, EXT3, FAT32, ReiserFS, XFS
HDD speedKnown for one7200 RPM
Network1 differ
DHCP clientKnown for oneYes
Jumbo frames supportKnown for oneYes
Cabling technologyKnown for one10/100/1000BASE-T(X)
Maximum data transfer rateKnown for one1000 Mbit/s
Supported network protocolsDiffersCIFS, NFS, HTTP, HTTPS, FTP, BonjourTCP/IP, CIFS/SMB, NFS, FTP, HTTP, DHCP client, PPPoE, NTP
Ports & interfaces2 differ
Ethernet LAN (RJ-45) portsDiffers21
USB 2.0 ports quantityDiffers43
Weight & dimensions1 differ
WeightDiffers4.8 kg1.06 kg
Package weightKnown for one1.53 kg
Weight (imperial)Known for one4.79 kg (10.6 lbs)
Operational conditionsidentical
Operating temperature (T-T)Known for one0 - 40 °C
Operating relative humidity (H-H)Known for one0 - 95%
Storage temperature (T-T)Known for one30 - 40 °C
Other features3 differ
Compatible operating systemsDiffersMicrosoft Windows XP, Vista Linux Kernel 2.6.7 + Mac OS X 10.4.11 + Apple Safari 3.1 +Windows XP/Vista/7 (32 & 64 bit)
Dimensions (WxDxH)Differs160 x 269 x 207 mm108 x 205 x 147 mm
Networking featuresKnown for oneGigabit Ethernet
Package dimensions (WxDxH)Differs236 x 365 x 241.3 mm280 x 173 x 210 mm
Power requirementsKnown for one100 - 240V
CertificationKnown for oneCE LVD. EMC: CE, FCC B, C-Tick, BSMI, UPnP
Non-operating relative humidity (non-condensing)Known for one0 - 95%
Minimum RAMKnown for one256 MB
Minimum processorKnown for onePentium III, 500MHz
Supported protocolsKnown for oneMicrosoft RALLY
Designidentical
Display typeKnown for oneLCD
Performanceidentical
Number of usersKnown for one50 user(s)
Management protocolsKnown for oneCIFS, NFS, HTTPS, FTP
Access Control List (ACL)Known for oneYes
Logistics dataidentical
Products per palletKnown for one24 pc(s)

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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