Product comparison · 2 internal solid state drives

Dynabook RD400A 128 GB M.2 PCI Express 3.1 NVMe MLC vs Dynabook Vector 180

24specifications compared
14differ
10identical
33known for one product only

Key differences

SSD capacity
- RD400A 128 GB M.2 PCI Express 3.1 NVMe MLC:128 GB
- Vector 180:240 GB
SSD form factor
- RD400A 128 GB M.2 PCI Express 3.1 NVMe MLC:M.2
- Vector 180:2.5"
Interface
- RD400A 128 GB M.2 PCI Express 3.1 NVMe MLC:PCI Express 3.1
- Vector 180:Serial ATA III
Data transfer rate
- RD400A 128 GB M.2 PCI Express 3.1 NVMe MLC:32 Gbit/s
- Vector 180:6 Gbit/s
Read speed
- RD400A 128 GB M.2 PCI Express 3.1 NVMe MLC:2200 MB/s
- Vector 180:550 MB/s
Write speed
- RD400A 128 GB M.2 PCI Express 3.1 NVMe MLC:620 MB/s
- Vector 180:530 MB/s
Mean time between failures (MTBF)
- RD400A 128 GB M.2 PCI Express 3.1 NVMe MLC:1500000 h
- Vector 180:2300000 h
Endurance rating (for 5 years)
- RD400A 128 GB M.2 PCI Express 3.1 NVMe MLC:40 GB/day
- Vector 180:50 GB/day

Side by side

Differences highlightedShow differences only

Comparison of RD400A, Vector 180
57 specifications	A Dynabook RD400A 128 GB M.2 PCI Express 3.1 NVMe MLC Model RD400A View product	B Dynabook Vector 180 View product
Features10 differ
SSD capacityDiffers	128 GB	240 GB
SSD form factorDiffers	M.2	2.5"
InterfaceDiffers	PCI Express 3.1	Serial ATA III
Memory type	MLC	MLC
Security algorithmsKnown for one	Unknown — not stated by the source	256-bit AES
Data transfer rateDiffers	32 Gbit/s	6 Gbit/s
Read speedDiffers	2200 MB/s	550 MB/s
Write speedDiffers	620 MB/s	530 MB/s
Random read (4KB)Known for one	Unknown — not stated by the source	95000 IOPS
Random write (4KB)Known for one	Unknown — not stated by the source	90000 IOPS
Steady state random write (4KB)Known for one	Unknown — not stated by the source	20000 IOPS
LithographyKnown for one	Unknown — not stated by the source	19 nm
S.M.A.R.T. support	Yes	Yes
TRIM support	Yes	Yes
ECCKnown for one	Unknown — not stated by the source	Yes
Native Command Queuing (NCQ)Known for one	Unknown — not stated by the source	Yes
Mean time between failures (MTBF)Differs	1500000 h	2300000 h
Power Failure Management Plus (PFM+)Known for one	Unknown — not stated by the source	Yes
Windows operating systems supportedDiffers	Windows 10, Windows 7, Windows 8.1	Yes
Mac operating systems supportedKnown for one	Unknown — not stated by the source	Yes
Linux operating systems supported	Yes	Yes
Endurance rating (for 5 years)Differs	40 GB/day	50 GB/day
CertificationDiffers	UL/cUL, FCC, CE, RCM, KC, BSMI, VCCI, ISED	UL C/US, FCC, CE, C-Tick, KCC, BSMI, VCCI, WEEE
NVMeKnown for one	Yes	Unknown — not stated by the source
NVMe versionKnown for one	1.1b	Unknown — not stated by the source
Component forKnown for one	PC	Unknown — not stated by the source
PCI Express interface data lanesKnown for one	x4	Unknown — not stated by the source
TBW ratingKnown for one	74	Unknown — not stated by the source
SSD usage tagKnown for one	Consumer	Unknown — not stated by the source
Poweridentical
Power consumption (read)Known for one	Unknown — not stated by the source	3.7 W
Power consumption (write)Known for one	Unknown — not stated by the source	3.7 W
Power consumption (idle)Known for one	Unknown — not stated by the source	0.85 W
Operating voltageKnown for one	12 V	Unknown — not stated by the source
Power consumption (average)Known for one	6.4 W	Unknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers	105.5 mm	69.8 mm
DepthDiffers	157.6 mm	99.7 mm
HeightDiffers	17.2 mm	7 mm
WeightDiffers	63 g	115 g
Packaging dataidentical
Storage drive adapter included	Yes	Yes
Storage drive adapter typeKnown for one	Unknown — not stated by the source	2.5" - 3.5"
ManualKnown for one	Unknown — not stated by the source	Yes
Downloadable softwareKnown for one	Unknown — not stated by the source	OCZ SSD Guru
Bundled softwareKnown for one	Unknown — not stated by the source	Acronis True Image HD
Package typeKnown for one	Unknown — not stated by the source	Box
Operational conditionsidentical
Operating temperature (T-T)	0 - 70 °C	0 - 70 °C
Storage temperature (T-T)	-40 - 85 °C	-40 - 85 °C
Operating vibration	2.17 G	2.17 G
Non-operating vibration	3.13 G	3.13 G
Operating shockKnown for one	Unknown — not stated by the source	1000 G
Maximum non-operating altitudeKnown for one	Unknown — not stated by the source	13920 m
Maximum operating altitudeKnown for one	Unknown — not stated by the source	3480 m
Non-operating shockKnown for one	1000 G	Unknown — not stated by the source
Other featuresidentical
Product colourKnown for one	Unknown — not stated by the source	Black, Silver
InternalKnown for one	Unknown — not stated by the source	Yes
Compliance certificatesKnown for one	Unknown — not stated by the source	RoHS
Logistics dataidentical
Products per palletKnown for one	Unknown — not stated by the source	1 pc(s)
Harmonized System (HS) code	84717070	84717070

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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