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Product comparison · 2 internal solid state drives

Dynabook RD400 256 GB M.2 PCI Express 3.1 NVMe MLC vs Kingston Technology UV500 120 GB 2.5" Serial ATA III 3D TLC

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  • 23specifications compared
  • 19differ
  • 4identical
  • 22known for one product only

Key differences

  • SSD capacity
    • 256 GB
    • 120 GB
  • SSD form factor
    • M.2
    • 2.5"
  • Interface
    • PCI Express 3.1
    • Serial ATA III
  • NVMe
    • Yes
    • No
  • Memory type
    • MLC
    • 3D TLC
  • Data transfer rate
    • 32 Gbit/s
    • 6 Gbit/s
  • Read speed
    • 2600 MB/s
    • 520 MB/s
  • Write speed
    • 1150 MB/s
    • 320 MB/s

Side by side

Differences highlightedShow differences only
45 specifications
A

Dynabook

RD400 256 GB M.2 PCI Express 3.1 NVMe MLC

Model RD400

View product
B

Kingston Technology

UV500 120 GB 2.5" Serial ATA III 3D TLC

Model UV500

View product
Features13 differ
SSD capacityDiffers256 GB120 GB
SSD form factorDiffersM.22.5"
InterfaceDiffersPCI Express 3.1Serial ATA III
NVMeDiffersYesNo
NVMe versionKnown for one1.1b
Memory typeDiffersMLC3D TLC
Data transfer rateDiffers32 Gbit/s6 Gbit/s
Read speedDiffers2600 MB/s520 MB/s
Write speedDiffers1150 MB/s320 MB/s
Random read (4KB)Differs210000 IOPS79000 IOPS
Random write (4KB)Differs140000 IOPS18000 IOPS
PCI Express interface data lanesKnown for onex4
S.M.A.R.T. supportKnown for oneYes
TRIM supportKnown for oneYes
Mean time between failures (MTBF)Differs1500000 h1000000 h
Windows operating systems supportedKnown for oneWindows 10, Windows 7, Windows 8.1
Linux operating systems supportedKnown for oneYes
Endurance rating (for 5 years)Known for one81 GB/day
TBW ratingDiffers14860
SSD usage tagKnown for oneConsumer
CertificationDiffersUL/cUL, FCC, CE, RCM, KC, BSMI, VCCI, ISEDCE, FCC, VCCI, CAN ICES-3(B), NMB-3(B)
Hardware encryptionKnown for oneYes
Security algorithmsKnown for one256-bit AES
Controller typeKnown for oneMarvell Dean
Self-Encrypting Drive (SED)Known for oneYes
End-to-End Data ProtectionKnown for oneYes
TCG Opal 2.0Known for oneYes
Power1 differ
Operating voltageKnown for one3.3 V
Power consumption (average)Differs6 W0.5 W
Power consumption (read)Known for one1.17 W
Power consumption (write)Known for one2.32 W
Power consumption (idle)Known for one0.195 W
Weight & dimensions4 differ
WidthDiffers22 mm100.1 mm
DepthDiffers80 mm69.8 mm
HeightDiffers2.23 mm7 mm
WeightDiffers7.2 g41 g
Operational conditions1 differ
Non-operating vibrationDiffers3.13 G20 G
Non-operating shockKnown for one1000 G
Logistics dataidentical
Harmonized System (HS) codeKnown for one84717070
Packaging dataidentical
Package typeKnown for oneBlister
Other featuresidentical
Product colourKnown for oneBlack, Grey

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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