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Product comparison · 2 internal solid state drives

Samsung 840 120 GB 2.5" Serial ATA III vs Samsung 840 PRO

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  • 7specifications compared
  • 2differ
  • 5identical
  • 18known for one product only

Key differences

  • SSD capacity
    • 120 GB
    • 64 GB
  • Interface
    • Serial ATA III
    • Serial ATA

Side by side

Differences highlightedShow differences only
25 specifications
A

Samsung

840 120 GB 2.5" Serial ATA III

Model 840

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B

Samsung

840 PROView product
Features2 differ
SSD capacityDiffers120 GB64 GB
InterfaceDiffersSerial ATA IIISerial ATA
Data transfer rateKnown for one6 Gbit/s
Read speedKnown for one530 MB/s
Write speedKnown for one130 MB/s
Random read (4KB)Known for one85000 IOPS
Random write (4KB)Known for one32000 IOPS
Windows operating systems supportedKnown for oneYes
Mac operating systems supportedKnown for oneYes
Linux operating systems supportedKnown for oneYes
Poweridentical
Operating voltageKnown for one5 V
Power consumption (read)Known for one0.15 W
Power consumption (write)Known for one0.15 W
Weight & dimensionsidentical
WeightKnown for one70 g
Operational conditionsidentical
Operating temperature (T-T)Known for one0 - 70 °C
Storage temperature (T-T)Known for one-40 - 85 °C
Operating relative humidity (H-H)Known for one5 - 95%
Storage relative humidity (H-H)Known for one5 - 95%
Operating shockKnown for one1500 G
Other featuresidentical
Compatible operating systemsKnown for oneWindows 7 (32-bit / 64-bit), Vista, XP, MAC OSX, Linux

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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