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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
SSD form factor2.5"2.5"
InterfaceSerial ATA IIISerial ATA III
Hardware encryptionKnown for oneYes
Data transfer rate6 Gbit/s6 Gbit/s
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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