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Product comparison · 2 nas & storage servers

Buffalo TeraStation TSI20TGLR5 vs QNAP TS-439 PRO

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  • 12specifications compared
  • 11differ
  • 1identical
  • 17known for one product only

Key differences

  • Total installed storage capacity
    • 2 TB
    • 0 TB
  • Number of storage drives installed
    • 4
    • 0
  • Storage drive capacity
    • 500 GB
    • 0 GB
  • Storage drive interface
    • Serial ATA
    • Serial ATA II
  • Ethernet LAN (RJ-45) ports
    • 1
    • 2
  • USB 2.0 ports quantity
    • 2
    • 5
  • Weight
    • 7.3 kg
    • 3.65 kg
  • Operating temperature (T-T)
    • 5 - 35 °C
    • 0 - 40 °C

Side by side

Differences highlightedShow differences only
29 specifications
A

Buffalo

TeraStation TSI20TGLR5View product
B

QNAP

TS-439 PROView product
Storage4 differ
Total installed storage capacityDiffers2 TB0 TB
Number of storage drives installedDiffers40
Number of storage drives supportedKnown for one4
Storage drive capacityDiffers500 GB0 GB
Storage drive interfaceDiffersSerial ATASerial ATA II
Storage drive sizeKnown for one3.5"
HDD speedKnown for one7200 RPM
RAID levelsKnown for one0, 1, 5, 10
Processoridentical
Processor frequencyKnown for one1.6 GHz
Memoryidentical
Internal memoryKnown for one1 GB
Flash memoryKnown for one128 MB
Ports & interfaces2 differ
Ethernet LAN (RJ-45) portsDiffers12
USB 2.0 ports quantityDiffers25
eSATAKnown for oneYes
Serial ports quantityKnown for one1
Designidentical
Chassis typeKnown for oneTower
Display typeLCDLCD
Poweridentical
Power supply unit (PSU) capacityKnown for one250 W
Weight & dimensions1 differ
WeightDiffers7.3 kg3.65 kg
Operational conditions2 differ
Operating temperature (T-T)Differs5 - 35 °C0 - 40 °C
Operating relative humidity (H-H)Differs10 - 80%0 - 95%
Other features2 differ
Dimensions (WxDxH)Differs170 x 310 x 235 mm180 x 235 x 177 mm
Link/Act LEDKnown for oneYes
Power requirementsDiffers220 - 240V 50/60Hz100 - 240 V AC, 50 - 60 Hz
Compatible operating systemsKnown for oneWin Server 2000 +, XP, Vista
Networkidentical
Wi-FiKnown for oneYes
iSCSI supportKnown for oneYes
Compliance industry standardsKnown for oneIEEE802.3ab, IEEE802.3u, IEEE802.3
Maximum data transfer rateKnown for one1000 Mbit/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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