Product comparison · 2 internal solid state drives

Dynabook RD400 256 GB M.2 PCI Express 3.1 NVMe MLC vs Goodram SSDPR-S400M-120 internal solid state drive

12specifications compared
10differ
2identical
29known for one product only

Key differences

SSD capacity
- RD400 256 GB M.2 PCI Express 3.1 NVMe MLC:256 GB
- SSDPR-S400M-120 internal solid state drive:120 GB
SSD form factor
- RD400 256 GB M.2 PCI Express 3.1 NVMe MLC:M.2
- SSDPR-S400M-120 internal solid state drive:mSATA
Interface
- RD400 256 GB M.2 PCI Express 3.1 NVMe MLC:PCI Express 3.1
- SSDPR-S400M-120 internal solid state drive:Serial ATA III
Memory type
- RD400 256 GB M.2 PCI Express 3.1 NVMe MLC:MLC
- SSDPR-S400M-120 internal solid state drive:TLC
Data transfer rate
- RD400 256 GB M.2 PCI Express 3.1 NVMe MLC:32 Gbit/s
- SSDPR-S400M-120 internal solid state drive:6 Gbit/s
Mean time between failures (MTBF)
- RD400 256 GB M.2 PCI Express 3.1 NVMe MLC:1500000 h
- SSDPR-S400M-120 internal solid state drive:2000000 h
Width
- RD400 256 GB M.2 PCI Express 3.1 NVMe MLC:22 mm
- SSDPR-S400M-120 internal solid state drive:51 mm
Depth
- RD400 256 GB M.2 PCI Express 3.1 NVMe MLC:80 mm
- SSDPR-S400M-120 internal solid state drive:0.8 mm

Side by side

Differences highlightedShow differences only

Comparison of RD400, SSDPR-S400M-120
41 specifications	A Dynabook RD400 256 GB M.2 PCI Express 3.1 NVMe MLC Model RD400 View product	B Goodram SSDPR-S400M-120 internal solid state drive Model SSDPR-S400M-120 View product
Features6 differ
SSD capacityDiffers	256 GB	120 GB
SSD form factorDiffers	M.2	mSATA
InterfaceDiffers	PCI Express 3.1	Serial ATA III
NVMeKnown for one	Yes	Unknown — not stated by the source
NVMe versionKnown for one	1.1b	Unknown — not stated by the source
Memory typeDiffers	MLC	TLC
Component for	PC/Laptop	PC/Laptop
Data transfer rateDiffers	32 Gbit/s	6 Gbit/s
Read speedKnown for one	2600 MB/s	Unknown — not stated by the source
Write speedKnown for one	1150 MB/s	Unknown — not stated by the source
Random read (4KB)Known for one	210000 IOPS	Unknown — not stated by the source
Random write (4KB)Known for one	140000 IOPS	Unknown — not stated by the source
PCI Express interface data lanesKnown for one	x4	Unknown — not stated by the source
S.M.A.R.T. supportKnown for one	Yes	Unknown — not stated by the source
TRIM supportKnown for one	Yes	Unknown — not stated by the source
Mean time between failures (MTBF)Differs	1500000 h	2000000 h
Windows operating systems supportedKnown for one	Windows 10, Windows 7, Windows 8.1	Unknown — not stated by the source
Linux operating systems supportedKnown for one	Yes	Unknown — not stated by the source
Endurance rating (for 5 years)Known for one	81 GB/day	Unknown — not stated by the source
TBW ratingKnown for one	148	Unknown — not stated by the source
SSD usage tagKnown for one	Consumer	Unknown — not stated by the source
CertificationKnown for one	UL/cUL, FCC, CE, RCM, KC, BSMI, VCCI, ISED	Unknown — not stated by the source
NAND flash typeKnown for one	Unknown — not stated by the source	TLC (Triple Level Cell)
Compressed transfer rate (read)Known for one	Unknown — not stated by the source	550 MB/s
Compressed transfer rate (write)Known for one	Unknown — not stated by the source	530 MB/s
Uncompressed transfer rate (read)Known for one	Unknown — not stated by the source	550 MB/s
Uncompressed transfer rate (write)Known for one	Unknown — not stated by the source	350 MB/s
Controller typeKnown for one	Unknown — not stated by the source	Phison PS3111-S11
Poweridentical
Operating voltageKnown for one	3.3 V	Unknown — not stated by the source
Power consumption (average)Known for one	6 W	Unknown — not stated by the source
Weight & dimensions3 differ
WidthDiffers	22 mm	51 mm
DepthDiffers	80 mm	0.8 mm
HeightDiffers	2.23 mm	30 mm
WeightKnown for one	7.2 g	Unknown — not stated by the source
Operational conditions1 differ
Operating temperature (T-T)	0 - 70 °C	0 - 70 °C
Storage temperature (T-T)Differs	-40 - 85 °C	-45 - 85 °C
Operating vibrationKnown for one	2.17 G	Unknown — not stated by the source
Non-operating vibrationKnown for one	3.13 G	Unknown — not stated by the source
Non-operating shockKnown for one	1000 G	Unknown — not stated by the source
Logistics dataidentical
Harmonized System (HS) codeKnown for one	84717070	Unknown — not stated by the source
Other featuresidentical
Product colourKnown for one	Unknown — not stated by the source	Multicolour

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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