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Product comparison · 2 nas & storage servers

QNAP SS-839 Pro Turbo NAS vs QNAP SS-839 Pro Turbo NAS 4TB

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  • 19specifications compared
  • 3differ
  • 16identical
  • 8known for one product only

Key differences

The QNAP SS-839 Pro Turbo NAS 4TB has 2 TB more total installed storage capacity than the QNAP SS-839 Pro Turbo NAS (4 TB vs 2 TB). The QNAP SS-839 Pro Turbo NAS 4TB has 250 GB more storage drive capacity than the QNAP SS-839 Pro Turbo NAS (500 GB vs 250 GB). The QNAP SS-839 Pro Turbo NAS has 1" more storage drive size than the QNAP SS-839 Pro Turbo NAS 4TB (3.5" vs 2.5").

  • Total installed storage capacity
    • 2 TB
    • 4 TB
  • Storage drive capacity
    • 250 GB
    • 500 GB
  • Storage drive size
    • 3.5"
    • 2.5"

Side by side

Differences highlightedShow differences only
27 specifications
A

QNAP

SS-839 Pro Turbo NASView product
B

QNAP

SS-839 Pro Turbo NAS 4TBView product
Storage3 differ
Total installed storage capacityDiffers2 TB4 TB
Number of storage drives installed88
Storage drive capacityDiffers250 GB500 GB
Storage drive interfaceSerial ATA IISerial ATA II
Storage drive sizeDiffers3.5"2.5"
RAID levelsKnown for oneJBOD
Processoridentical
Processor frequency1.6 GHz1.6 GHz
Number of processors installedKnown for one1
Memoryidentical
Internal memory2 GB2 GB
Flash memory128 MB128 MB
Networkidentical
DHCP clientKnown for oneYes
Jumbo frames supportKnown for oneYes
Supported network protocolsKnown for oneTCP/IP, DHCP Client, DHCP Server, CIFS/SMB, AFP, NFS, HTTP, HTTPS, FTP, DDNS, NTP
Ports & interfacesidentical
Ethernet LAN (RJ-45) ports22
USB 2.0 ports quantity55
eSATAYesYes
Designidentical
Chassis typeTowerTower
Display typeLCDLCD
Performanceidentical
Access Control List (ACL)Known for oneYes
Poweridentical
Power consumption (typical)34 W34 W
Weight & dimensionsidentical
Weight3.92 kg3.92 kg
Operational conditionsidentical
Operating temperature (T-T)0 - 40 °C0 - 40 °C
Operating relative humidity (H-H)0 - 95%0 - 95%
Other featuresidentical
Compatible operating systemsKnown for oneMicrosoft Windows 98/ ME/ NT/ 2000/ XP/ 2003/ Vista/ Windows 7 (32bit & 64bit), Mac OS X, Linux, Unix
Dimensions (WxDxH)177 x 180 x 235 mm177 x 180 x 235 mm
Power requirements100-240V AC, 50/60Hz100-240V AC, 50/60Hz
Connectivity LEDsKnown for oneLAN, USB, eSATA, HDD 1-8

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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