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Product comparison · 2 internal solid state drives

Samsung PM863a 480 GB 2.5" Serial ATA III TLC vs Samsung SM961 512 GB M.2 PCI Express 3.0

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  • 7specifications compared
  • 4differ
  • 3identical
  • 24known for one product only

Key differences

  • SSD capacity
    • 480 GB
    • 512 GB
  • SSD form factor
    • 2.5"
    • M.2
  • Interface
    • Serial ATA III
    • PCI Express 3.0
  • Product colour
    • Black
    • Green

Side by side

Differences highlightedShow differences only
31 specifications
A

Samsung

PM863a 480 GB 2.5" Serial ATA III TLC

Model PM863a

View product
B

Samsung

SM961 512 GB M.2 PCI Express 3.0

Model SM961

View product
Features3 differ
SSD capacityDiffers480 GB512 GB
SSD form factorDiffers2.5"M.2
InterfaceDiffersSerial ATA IIIPCI Express 3.0
Memory typeKnown for oneTLC
Hardware encryptionKnown for oneYes
Security algorithmsKnown for one256-bit AES
Data transfer rateKnown for one6 Gbit/s
Read speedKnown for one520 MB/s
Write speedKnown for one480 MB/s
Random read (4KB)Known for one97000 IOPS
Random write (4KB)Known for one16000 IOPS
S.M.A.R.T. supportKnown for oneYes
TRIM supportKnown for oneYes
Uncorrectable Bit Error Rate (UBER)Known for one< 1 per 10^17 bits read
Mean time between failures (MTBF)Known for one2000000 h
Poweridentical
Operating voltageKnown for one5 V
Power consumption (read)Known for one3 W
Power consumption (write)Known for one3 W
Power consumption (idle)Known for one1.3 W
Weight & dimensionsidentical
WidthKnown for one100 mm
DepthKnown for one6.8 mm
HeightKnown for one68.8 mm
WeightKnown for one54.34 g
Operational conditionsidentical
Operating temperature (T-T)0 - 70 °C0 - 70 °C
Storage temperature (T-T)Known for one-40 - 85 °C
Storage relative humidity (H-H)5 - 95%5 - 95%
Operating shock1500 G1500 G
Other features1 differ
Product colourDiffersBlackGreen
NAND controllerKnown for oneV-NAND
InternalKnown for oneYes
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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