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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
SSD form factor2.5"2.5"
InterfaceDiffersPCI Express 3.0Serial ATA III
Component forServer/workstationServer/workstation
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
Mean time between failures (MTBF)2000000 h2000000 h
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
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 colourBlackBlack
NAND controllerV-NANDV-NAND
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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