Product comparison · 2 internal solid state drives

Samsung PM863 120 GB 2.5" Serial ATA III vs Samsung SM863 1.92 TB 2.5" Serial ATA III

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  • 18specifications compared
  • 5differ
  • 13identical
  • 5known for one product only

Key differences

  • SSD capacity
    • PM863 120 GB 2.5" Serial ATA III:120 GB
    • SM863 1.92 TB 2.5" Serial ATA III:1.92 TB
  • Read speed
    • PM863 120 GB 2.5" Serial ATA III:380 MB/s
    • SM863 1.92 TB 2.5" Serial ATA III:520 MB/s
  • Write speed
    • PM863 120 GB 2.5" Serial ATA III:125 MB/s
    • SM863 1.92 TB 2.5" Serial ATA III:485 MB/s
  • Random read (4KB)
    • PM863 120 GB 2.5" Serial ATA III:86000 IOPS
    • SM863 1.92 TB 2.5" Serial ATA III:97000 IOPS
  • Random write (4KB)
    • PM863 120 GB 2.5" Serial ATA III:5000 IOPS
    • SM863 1.92 TB 2.5" Serial ATA III:29000 IOPS

Side by side

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Comparison of PM863, SM863
23 specifications
Features5 differ
SSD capacityDiffers120 GB1.92 TB
SSD form factor2.5"2.5"
InterfaceSerial ATA IIISerial ATA III
Security algorithmsKnown for oneUnknown — not stated by the source256-bit AES
Data transfer rate6 Gbit/s6 Gbit/s
Read speedDiffers380 MB/s520 MB/s
Write speedDiffers125 MB/s485 MB/s
Random read (4KB)Differs86000 IOPS97000 IOPS
Random write (4KB)Differs5000 IOPS29000 IOPS
Mean time between failures (MTBF)Known for oneUnknown — not stated by the source2000000 h
Poweridentical
Operating voltageKnown for oneUnknown — not stated by the source5 V
Power consumption (write)Known for oneUnknown — not stated by the source3.1 W
Weight & dimensionsidentical
Width100.2 mm100.2 mm
Depth6.8 mm6.8 mm
Height69.8 mm69.8 mm
Weight60 g60 g
Operational conditionsidentical
Operating temperature (T-T)0 - 70 °C0 - 70 °C
Storage temperature (T-T)-40 - 85 °C-40 - 85 °C
Storage relative humidity (H-H)5 - 95%5 - 95%
Operating shock1500 G1500 G
Other featuresidentical
Product colourBlackBlack
InternalYesYes
Logistics dataidentical
Harmonized System (HS) codeKnown for oneUnknown — not stated by the source84717070

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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