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Product comparison · 2 internal solid state drives

Dynabook RD400 256 GB M.2 PCI Express 3.1 NVMe MLC vs Goodram IRDM Ultimate

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  • 13specifications compared
  • 8differ
  • 5identical
  • 27known for one product only

Key differences

  • SSD capacity
    • 256 GB
    • 120 GB
  • Interface
    • PCI Express 3.1
    • PCI Express 3.0
  • Read speed
    • 2600 MB/s
    • 2900 MB/s
  • Write speed
    • 1150 MB/s
    • 2900 MB/s
  • Random read (4KB)
    • 210000 IOPS
    • 133000 IOPS
  • Random write (4KB)
    • 140000 IOPS
    • 176000 IOPS
  • Mean time between failures (MTBF)
    • 1500000 h
    • 2000000 h
  • Storage temperature (T-T)
    • -40 - 85 °C
    • -45 - 85 °C

Side by side

Differences highlightedShow differences only
40 specifications
A

Dynabook

RD400 256 GB M.2 PCI Express 3.1 NVMe MLC

Model RD400

View product
B

Goodram

IRDM UltimateView product
Features7 differ
SSD capacityDiffers256 GB120 GB
InterfaceDiffersPCI Express 3.1PCI Express 3.0
NVMe versionKnown for one1.1b
Data transfer rateKnown for one32 Gbit/s
Read speedDiffers2600 MB/s2900 MB/s
Write speedDiffers1150 MB/s2900 MB/s
Random read (4KB)Differs210000 IOPS133000 IOPS
Random write (4KB)Differs140000 IOPS176000 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 h2000000 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 ratingKnown for one148
SSD usage tagKnown for oneConsumer
CertificationKnown for oneUL/cUL, FCC, CE, RCM, KC, BSMI, VCCI, ISED
Compressed transfer rate (read)Known for one2900 MB/s
Compressed transfer rate (write)Known for one2900 MB/s
Uncompressed transfer rate (read)Known for one2300 MB/s
Uncompressed transfer rate (write)Known for one1450 MB/s
Poweridentical
Operating voltageKnown for one3.3 V
Power consumption (average)Known for one6 W
Weight & dimensionsidentical
WidthKnown for one22 mm
DepthKnown for one80 mm
HeightKnown for one2.23 mm
WeightKnown for one7.2 g
Operational conditions1 differ
Storage temperature (T-T)Differs-40 - 85 °C-45 - 85 °C
Operating vibrationKnown for one2.17 G
Non-operating vibrationKnown for one3.13 G
Non-operating shockKnown for one1000 G
Logistics dataidentical
Harmonized System (HS) codeKnown for one84717070
Packaging dataidentical
Storage drive adapter includedKnown for oneYes
Storage drive adapter typeKnown for oneM.2 - AIC HHHL

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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