Product comparison · 2 internal solid state drives

Samsung 750 EVO vs Samsung PM871a 512 GB 2.5" Serial ATA III

10specifications compared
2differ
8identical
19known for one product only

Key differences

SSD capacity
- 750 EVO:120 GB
- PM871a 512 GB 2.5" Serial ATA III:512 GB
Product colour
- 750 EVO:Black, Grey
- PM871a 512 GB 2.5" Serial ATA III:Black

Side by side

Differences highlightedShow differences only

Comparison of 750 EVO, PM871a
29 specifications	A Samsung 750 EVO View product	B Samsung PM871a 512 GB 2.5" Serial ATA III Model PM871a View product
Features1 differ
SSD capacityDiffers	120 GB	512 GB
SSD form factor	2.5"	2.5"
Interface	Serial ATA III	Serial ATA III
Memory typeKnown for one	TLC	Unknown — not stated by the source
Security algorithmsKnown for one	256-bit AES	Unknown — not stated by the source
Data transfer rate	6 Gbit/s	6 Gbit/s
Read speedKnown for one	540 MB/s	Unknown — not stated by the source
Write speedKnown for one	520 MB/s	Unknown — not stated by the source
Random read (4KB)Known for one	94000 IOPS	Unknown — not stated by the source
Random write (4KB)Known for one	88000 IOPS	Unknown — not stated by the source
Storage drive buffer sizeKnown for one	256 MB	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	1500000 h	Unknown — not stated by the source
Windows operating systems supportedKnown for one	Yes	Unknown — not stated by the source
Poweridentical
Power consumption (read)Known for one	2.1 W	Unknown — not stated by the source
Power consumption (write)Known for one	2.4 W	Unknown — not stated by the source
Weight & dimensionsidentical
WidthKnown for one	100 mm	Unknown — not stated by the source
DepthKnown for one	69.8 mm	Unknown — not stated by the source
HeightKnown for one	6.8 mm	Unknown — not stated by the source
WeightKnown for one	45 g	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)	0 - 70 °C	0 - 70 °C
Storage temperature (T-T)	-40 - 85 °C	-40 - 85 °C
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%
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, Grey	Black
Internal	Yes	Yes

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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