Product comparison · 2 internal solid state drives

Samsung 850 PRO vs Samsung PM841 128 GB mSATA Serial ATA

8specifications compared
3differ
5identical
21known for one product only

Key differences

SSD form factor
- 850 PRO:2.5"
- PM841 128 GB mSATA Serial ATA:mSATA
Interface
- 850 PRO:Serial ATA III
- PM841 128 GB mSATA Serial ATA:Serial ATA
Product colour
- 850 PRO:Black
- PM841 128 GB mSATA Serial ATA:Green

Side by side

Differences highlightedShow differences only

Comparison of 850 PRO, PM841
29 specifications	A Samsung 850 PRO View product	B Samsung PM841 128 GB mSATA Serial ATA Model PM841 View product
Features2 differ
SSD capacity	128 GB	128 GB
SSD form factorDiffers	2.5"	mSATA
InterfaceDiffers	Serial ATA III	Serial ATA
Memory typeKnown for one	3D MLC	Unknown — not stated by the source
Data transfer rateKnown for one	6 Gbit/s	Unknown — not stated by the source
Read speedKnown for one	550 MB/s	Unknown — not stated by the source
Write speedKnown for one	470 MB/s	Unknown — not stated by the source
Random read (4KB)Known for one	100000 IOPS	Unknown — not stated by the source
Random write (4KB)Known for one	90000 IOPS	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)Known for one	2000000 h	Unknown — not stated by the source
TBW ratingKnown for one	150	Unknown — not stated by the source
Poweridentical
Power consumption (read)Known for one	3.3 W	Unknown — not stated by the source
Power consumption (idle)Known for one	0.4 W	Unknown — not stated by the source
Operating voltageKnown for one	Unknown — not stated by the source	3.3 V
Weight & dimensionsidentical
WidthKnown for one	100 mm	Unknown — not stated by the source
DepthKnown for one	6.8 mm	Unknown — not stated by the source
HeightKnown for one	69.8 mm	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)	0 - 70 °C	0 - 70 °C
Storage temperature (T-T)Known for one	-40 - 85 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	5 - 95%	Unknown — not stated by the source
Storage relative humidity (H-H)	5 - 95%	5 - 95%
Non-operating vibrationKnown for one	20 G	Unknown — not stated by the source
Operating shock	1500 G	1500 G
Non-operating shockKnown for one	1500 G	Unknown — not stated by the source
Other features1 differ
Product colourDiffers	Black	Green
Internal	Yes	Yes
Operating temperature (T-T)Known for one	32 - 158 °F	Unknown — not stated by the source

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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