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Product comparison · 2 internal solid state drives

Samsung 860 PRO vs Samsung PM871b 512 GB 2.5" Serial ATA III TLC

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  • 8specifications compared
  • 5differ
  • 3identical
  • 21known for one product only

Key differences

  • SSD capacity
    • 4 TB
    • 512 GB
  • Read speed
    • 560 MB/s
    • 540 MB/s
  • Write speed
    • 530 MB/s
    • 500 MB/s
  • Random read (4KB)
    • 100000 IOPS
    • 97000 IOPS
  • Random write (4KB)
    • 90000 IOPS
    • 88000 IOPS

Side by side

Differences highlightedShow differences only
29 specifications
A

Samsung

860 PROView product
B

Samsung

PM871b 512 GB 2.5" Serial ATA III TLC

Model PM871b

View product
Features5 differ
SSD capacityDiffers4 TB512 GB
Hardware encryptionKnown for oneYes
Read speedDiffers560 MB/s540 MB/s
Write speedDiffers530 MB/s500 MB/s
Random read (4KB)Differs100000 IOPS97000 IOPS
Random write (4KB)Differs90000 IOPS88000 IOPS
S.M.A.R.T. supportKnown for oneYes
TRIM supportKnown for oneYes
Password protectionKnown for oneNo
Mean time between failures (MTBF)Known for one1500000 h
Memory typeKnown for oneTLC
NAND flash typeKnown for oneTLC (Triple Level Cell)
Component forKnown for onePC
Poweridentical
Power consumption (max)Known for one4.5 W
Power consumption (average)Known for one2.2 W
Weight & dimensionsidentical
WidthKnown for one100 mm
DepthKnown for one6.8 mm
HeightKnown for one69.8 mm
WeightKnown for one62 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
Wi-FiKnown for oneNo
Logistics dataidentical
Harmonized System (HS) codeKnown for one84717070

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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