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Product comparison · 2 internal solid state drives

Samsung MZ-7PD256BW 256 GB 2.5" Serial ATA III vs Samsung MZ-7PD512BW 512 GB 2.5" Serial ATA III

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  • 34specifications compared
  • 1differ
  • 33identical
  • 0known for one product only

Key differences

  • SSD capacity
    • 256 GB
    • 512 GB

Side by side

Differences highlightedShow differences only
34 specifications
A

Samsung

MZ-7PD256BW 256 GB 2.5" Serial ATA III

Model MZ-7PD256BW

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B

Samsung

MZ-7PD512BW 512 GB 2.5" Serial ATA III

Model MZ-7PD512BW

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Features1 differ
SSD capacityDiffers256 GB512 GB
SSD form factor2.5"2.5"
InterfaceSerial ATA IIISerial ATA III
Component forPCPC
Hardware encryptionYesYes
Security algorithms256-bit AES256-bit AES
Read speed540 MB/s540 MB/s
Write speed520 MB/s520 MB/s
Random read (4KB)9900 IOPS9900 IOPS
Random write (4KB)31000 IOPS31000 IOPS
Random read (100% span)100000 IOPS100000 IOPS
Random write (100% span)90000 IOPS90000 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
Poweridentical
Operating voltage5 V5 V
Power consumption (read)15 W15 W
Power consumption (write)15 W15 W
Weight & dimensionsidentical
Width100 mm100 mm
Depth6.8 mm6.8 mm
Height69.8 mm69.8 mm
Weight54 g54 g
Packaging dataidentical
Quick start guideYesYes
ManualYesYes
Bundled softwareWindows 7 (32/64-bit) Windows Vista Windows XP Mac OS X Linux OSWindows 7 (32/64-bit) Windows Vista Windows XP Mac OS X Linux OS
Operational conditionsidentical
Operating temperature (T-T)0 - 70 °C0 - 70 °C
Operating shock1500 G1500 G
Other featuresidentical
Product colourBlackBlack
InternalYesYes
Connectivity technologyWiredWired
Operating temperature (T-T)32 - 140 °F32 - 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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