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Product comparison · 2 internal solid state drives

Samsung PM963 960 GB 2.5" PCI Express 3.0 NVMe TLC vs Samsung SM863a 1.92 TB 2.5" Serial ATA III

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  • 12specifications compared
  • 4differ
  • 8identical
  • 24known for one product only

Key differences

  • SSD capacity
    • 960 GB
    • 1.92 TB
  • Interface
    • PCI Express 3.0
    • Serial ATA III
  • Data transfer rate
    • 32 Gbit/s
    • 6 Gbit/s
  • SSD endurance rating
    • 1.3 DWPD for 3 years
    • 3.6 DWPD

Side by side

Differences highlightedShow differences only
36 specifications
A

Samsung

PM963 960 GB 2.5" PCI Express 3.0 NVMe TLC

Model PM963

View product
B

Samsung

SM863a 1.92 TB 2.5" Serial ATA III

Model SM863a

View product
Features3 differ
SSD capacityDiffers960 GB1.92 TB
InterfaceDiffersPCI Express 3.0Serial ATA III
Security algorithmsKnown for one256-bit AES
Data transfer rateDiffers32 Gbit/s6 Gbit/s
Read speedKnown for one510 MB/s
Write speedKnown for one485 MB/s
Random read (4KB)Known for one95000 IOPS
Random write (4KB)Known for one28000 IOPS
S.M.A.R.T. supportKnown for oneYes
TRIM supportKnown for oneYes
NVMeKnown for oneYes
Memory typeKnown for oneTLC
PCI Express interface data lanesKnown for onex4
Uncorrectable Bit Error Rate (UBER)Known for one< 1 per 10^17 bits read
SSD usage tagKnown for oneData center
Poweridentical
Operating voltageKnown for one5 V
Power consumption (read)Known for one2.5 W
Power consumption (write)Known for one3 W
Power consumption (idle)Known for one1.4 W
Weight & dimensionsidentical
WidthKnown for one100.2 mm
DepthKnown for one6.8 mm
HeightKnown for one69.8 mm
WeightKnown for one54.3 g
Packaging dataidentical
Quick start guideKnown for oneYes
Operational conditionsidentical
Storage temperature (T-T)Known for one-40 - 85 °C
Other features1 differ
SSD endurance ratingDiffers1.3 DWPD for 3 years3.6 DWPD
Sequential read/writeKnown 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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