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
Memory typeKnown for one	TLC	Unknown — not stated by the source
Security algorithmsKnown for one	256-bit AES	Unknown — not stated by the source
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 relative humidity (H-H)Known for one	5 - 95%	Unknown — not stated by the source
Non-operating shockKnown for one	1500 G	Unknown — not stated by the source
Other features1 differ
Product colourDiffers	Black, Grey	Black

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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