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Product comparison · 2 internal solid state drives

Samsung 960 PRO vs Samsung PM863a 480 GB 2.5" Serial ATA III TLC

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  • 20specifications compared
  • 11differ
  • 9identical
  • 20known for one product only

Key differences

  • SSD capacity
    • 1 TB
    • 480 GB
  • SSD form factor
    • M.2
    • 2.5"
  • Interface
    • PCI Express
    • Serial ATA III
  • Memory type
    • V-NAND
    • TLC
  • Read speed
    • 3500 MB/s
    • 520 MB/s
  • Write speed
    • 2100 MB/s
    • 480 MB/s
  • Mean time between failures (MTBF)
    • 1500000 h
    • 2000000 h
  • Width
    • 80.2 mm
    • 100 mm

Side by side

Differences highlightedShow differences only
40 specifications
A

Samsung

960 PROView product
B

Samsung

PM863a 480 GB 2.5" Serial ATA III TLC

Model PM863a

View product
Features7 differ
SSD capacityDiffers1 TB480 GB
SSD form factorDiffersM.22.5"
InterfaceDiffersPCI ExpressSerial ATA III
NVMeKnown for oneYes
NVMe versionKnown for one1.2
Memory typeDiffersV-NANDTLC
Read speedDiffers3500 MB/s520 MB/s
Write speedDiffers2100 MB/s480 MB/s
Maximum read (4KB)Known for one440000 IOPS
Maximum write (4KB)Known for one360000 IOPS
Controller typeKnown for oneSamsung Polaris
PCI Express interface data lanesKnown for onex4
Mean time between failures (MTBF)Differs1500000 h2000000 h
Protection featuresKnown for oneShock resistant
Data transfer rateKnown for one6 Gbit/s
Random read (4KB)Known for one97000 IOPS
Random write (4KB)Known for one16000 IOPS
Uncorrectable Bit Error Rate (UBER)Known for one< 1 per 10^17 bits read
Poweridentical
Power consumption (average)Known for one5.3 W
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 & dimensions4 differ
WidthDiffers80.2 mm100 mm
DepthDiffers22.1 mm6.8 mm
HeightDiffers2.38 mm68.8 mm
WeightDiffers8.5 g54.34 g
Operational conditionsidentical
Operating relative humidity (H-H)Known for one5 - 95%
Other featuresidentical
Launch dateKnown for one2/14/2017
NAND controllerKnown for oneV-NAND
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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