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Product comparison · 2 internal solid state drives

Samsung PM863 120 GB 2.5" Serial ATA III vs Samsung PM871 128 GB 2.5" Serial ATA III

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  • 7specifications compared
  • 3differ
  • 4identical
  • 12known for one product only

Key differences

  • SSD capacity
    • 120 GB
    • 128 GB
  • Read speed
    • 380 MB/s
    • 540 MB/s
  • Write speed
    • 125 MB/s
    • 140 MB/s

Side by side

Differences highlightedShow differences only
19 specifications
A

Samsung

PM863 120 GB 2.5" Serial ATA III

Model PM863

View product
B

Samsung

PM871 128 GB 2.5" Serial ATA III

Model PM871

View product
Features3 differ
SSD capacityDiffers120 GB128 GB
SSD form factor2.5"2.5"
InterfaceSerial ATA IIISerial ATA III
Data transfer rate6 Gbit/s6 Gbit/s
Read speedDiffers380 MB/s540 MB/s
Write speedDiffers125 MB/s140 MB/s
Random read (4KB)Known for one86000 IOPS
Random write (4KB)Known for one5000 IOPS
Weight & dimensionsidentical
WidthKnown for one100.2 mm
DepthKnown for one6.8 mm
HeightKnown for one69.8 mm
WeightKnown for one60 g
Operational conditionsidentical
Operating temperature (T-T)Known for one0 - 70 °C
Storage temperature (T-T)Known for one-40 - 85 °C
Storage relative humidity (H-H)Known for one5 - 95%
Operating shockKnown for one1500 G
Other featuresidentical
Product colourKnown for oneBlack
InternalYesYes
Connector(s)Known for oneSFF-8223

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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