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Product comparison · 2 nas & storage servers

QNAP TS-559 Pro+ NAS vs Zyxel NSA221-3T 3 TB

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  • 11specifications compared
  • 6differ
  • 5identical
  • 31known for one product only

Key differences

  • Ethernet LAN (RJ-45) ports
    • 2
    • 1
  • USB 2.0 ports quantity
    • 5
    • 3
  • Weight
    • 5.1 kg
    • 1.06 kg
  • Dimensions (WxDxH)
    • 235.4 x 185 x 210.6 mm
    • 108 x 205 x 147 mm
  • Power requirements
    • 100-240V AC, 50/60Hz
    • AC 100 - 240V

Side by side

Differences highlightedShow differences only
42 specifications
A

QNAP

TS-559 Pro+ NASView product
B

Zyxel

NSA221-3T 3 TB

Model NSA221-3T

View product
Storageidentical
Total installed storage capacityKnown for one3 TB
Number of storage drives installedKnown for one2
Storage drive capacityKnown for one1.5 TB
Storage drive interfaceKnown for oneSerial ATA, Serial ATA II
Storage drive size3.5"3.5"
Maximum supported storage capacityKnown for one4 TB
RAID levelsKnown for one0, 1, JBOD
Supported file systemsKnown for oneXFS
Networkidentical
DHCP clientKnown for oneYes
Jumbo frames supportKnown for oneYes
Cabling technologyKnown for one10/100/1000BASE-T(X)
Supported network protocolsKnown for oneTCP/IP, CIFS/SMB, NFS, FTP, HTTP, PPPoE, NTP
Maximum data transfer rateKnown for one1000 Mbit/s
Ports & interfaces2 differ
Ethernet LAN (RJ-45) portsDiffers21
USB 2.0 ports quantityDiffers53
eSATAKnown for oneYes
Performanceidentical
BuzzerYesYes
On/off switchYesYes
Reset buttonKnown for oneYes
Number of usersKnown for one4096 user(s)
Noise levelKnown for one35 dB
Weight & dimensions1 differ
WeightDiffers5.1 kg1.06 kg
Package weightKnown for one1.53 kg
Operational conditionsidentical
Operating temperature (T-T)0 - 40 °C0 - 40 °C
Operating relative humidity (H-H)0 - 95%0 - 95%
Storage relative humidity (H-H)Known for one0 - 95%
Storage temperature (T-T)Known for one-30 - 40 °C
Relative humidityKnown for one0 - 95%
Other features3 differ
Compatible operating systemsDiffersWindows 2000/XP/Vista (32/ 64 bit)/7 (32/ 64 bit)/Server 2003/ 2008 Mac OS X Linux & UnixWindows XP/Vista/7
Dimensions (WxDxH)Differs235.4 x 185 x 210.6 mm108 x 205 x 147 mm
Networking featuresKnown for oneGigabit Ethernet
Package dimensions (WxDxH)Known for one280 x 173 x 210 mm
Power requirementsDiffers100-240V AC, 50/60HzAC 100 - 240V
CertificationKnown for oneUPnP, CE, FCC B, C-Tick, BSMI, CE LVD
Connectivity LEDsKnown for oneStatus, LAN, USB, eSATA, Power, HDD 1, HDD 2, HDD 3, HDD 4, HDD 5
Memoryidentical
Internal memoryKnown for one1 GB
Flash memoryKnown for one512 MB
Designidentical
Chassis typeKnown for oneTower
Display typeKnown for oneLED
Poweridentical
Power consumption (typical)Known for one44 W
Power consumption (sleep)Known for one22 W
Output powerKnown for one250 W

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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