Product comparison · 2 internal solid state drives

Samsung 840 EVO vs Samsung SM843TN 480 GB 2.5" Serial ATA III MLC

11specifications compared
5differ
6identical
14known for one product only

Key differences

SSD capacity
- 840 EVO:120 GB
- SM843TN 480 GB 2.5" Serial ATA III MLC:480 GB
Read speed
- 840 EVO:540 MB/s
- SM843TN 480 GB 2.5" Serial ATA III MLC:500 MB/s
Write speed
- 840 EVO:410 MB/s
- SM843TN 480 GB 2.5" Serial ATA III MLC:400 MB/s
Width
- 840 EVO:69.8 mm
- SM843TN 480 GB 2.5" Serial ATA III MLC:70 mm
Product colour
- 840 EVO:Titanium
- SM843TN 480 GB 2.5" Serial ATA III MLC:Black

Side by side

Differences highlightedShow differences only

Comparison of 840 EVO, SM843TN
25 specifications	A Samsung 840 EVO View product	B Samsung SM843TN 480 GB 2.5" Serial ATA III MLC Model SM843TN View product
Features3 differ
SSD capacityDiffers	120 GB	480 GB
SSD form factor	2.5"	2.5"
Interface	Serial ATA III	Serial ATA III
Memory type	MLC	MLC
Data transfer rate	6 Gbit/s	6 Gbit/s
Read speedDiffers	540 MB/s	500 MB/s
Write speedDiffers	410 MB/s	400 MB/s
Random read (4KB)Known for one	94000 IOPS	Unknown — not stated by the source
Random write (4KB)Known for one	35000 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
Windows operating systems supportedKnown for one	Yes	Unknown — not stated by the source
LithographyKnown for one	Unknown — not stated by the source	21 nm
Weight & dimensions1 differ
WidthDiffers	69.8 mm	70 mm
Depth	100 mm	100 mm
Height	7 mm	7 mm
WeightKnown for one	68 g	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	0 - 70 °C	Unknown — not stated by the source
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)Known for one	5 - 95%	Unknown — not stated by the source
Operating shockKnown for one	1500 G	Unknown — not stated by the source
Other features1 differ
Product colourDiffers	Titanium	Black
InternalKnown for one	Yes	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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