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Product comparison · 2 internal solid state drives

Samsung MZ-7PC128N 128 GB 2.5" MLC vs Samsung MZ-7PD256BW 256 GB 2.5" Serial ATA III

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  • 25specifications compared
  • 13differ
  • 12identical
  • 11known for one product only

Key differences

  • SSD capacity
    • 128 GB
    • 256 GB
  • Component for
    • Laptop
    • PC
  • Read speed
    • 520 MB/s
    • 540 MB/s
  • Write speed
    • 400 MB/s
    • 520 MB/s
  • Random read (4KB)
    • 36000 IOPS
    • 9900 IOPS
  • Random write (4KB)
    • 80000 IOPS
    • 31000 IOPS
  • Power consumption (read)
    • 0.15 W
    • 15 W
  • Power consumption (write)
    • 0.15 W
    • 15 W

Side by side

Differences highlightedShow differences only
36 specifications
A

Samsung

MZ-7PC128N 128 GB 2.5" MLC

Model MZ-7PC128N

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B

Samsung

MZ-7PD256BW 256 GB 2.5" Serial ATA III

Model MZ-7PD256BW

View product
Features6 differ
SSD capacityDiffers128 GB256 GB
SSD form factor2.5"2.5"
InterfaceKnown for oneSerial ATA III
Component forDiffersLaptopPC
Hardware encryptionKnown for oneYes
Security algorithmsKnown for one256-bit AES
Read speedDiffers520 MB/s540 MB/s
Write speedDiffers400 MB/s520 MB/s
Random read (4KB)Differs36000 IOPS9900 IOPS
Random write (4KB)Differs80000 IOPS31000 IOPS
Random read (100% span)Known for one100000 IOPS
Random write (100% span)Known for one90000 IOPS
S.M.A.R.T. supportYesYes
TRIM supportYesYes
Mean time between failures (MTBF)1500000 h1500000 h
Windows operating systems supportedYesYes
Mac operating systems supportedYesYes
Linux operating systems supportedYesYes
Memory typeKnown for oneMLC
Power2 differ
Operating voltage5 V5 V
Power consumption (read)Differs0.15 W15 W
Power consumption (write)Differs0.15 W15 W
Weight & dimensions4 differ
WidthDiffers69.8 mm100 mm
DepthDiffers100 mm6.8 mm
HeightDiffers7 mm69.8 mm
WeightDiffers61 g54 g
Packaging dataidentical
Quick start guideKnown for oneYes
ManualYesYes
Bundled softwareKnown for oneWindows 7 (32/64-bit) Windows Vista Windows XP Mac OS X Linux OS
Cables includedKnown for oneUSB-SATA
Operational conditions1 differ
Operating temperature (T-T)Differs0 - 60 °C0 - 70 °C
Operating shock1500 G1500 G
Other featuresidentical
Product colourBlackBlack
InternalYesYes
Connectivity technologyKnown for oneWired
Operating temperature (T-T)Known for one32 - 140 °F

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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