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Product comparison · 2 internal solid state drives

QNAP SSD-M2080-256GB-A01 internal solid state drive M.2 Serial ATA III vs Samsung PM863a 480 GB 2.5" Serial ATA III TLC

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  • 6specifications compared
  • 3differ
  • 3identical
  • 26known for one product only

Key differences

  • SSD capacity
    • 256 GB
    • 480 GB
  • SSD form factor
    • M.2
    • 2.5"
  • Product colour
    • Blue
    • Black

Side by side

Differences highlightedShow differences only
32 specifications
A

QNAP

SSD-M2080-256GB-A01 internal solid state drive M.2 Serial ATA III

Model SSD-M2080-256GB-A01

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B

Samsung

PM863a 480 GB 2.5" Serial ATA III TLC

Model PM863a

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Features2 differ
SSD capacityDiffers256 GB480 GB
SSD form factorDiffersM.22.5"
Memory typeKnown for oneTLC
Hardware encryptionKnown for oneYes
Security algorithmsKnown for one256-bit AES
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)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 features1 differ
Product colourDiffersBlueBlack
NAND controllerKnown for oneV-NAND
InternalKnown for oneYes
Compatible productsKnown for oneQNAP TVS-X82, TVS-X82T

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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