Product comparison · 2 internal solid state drives

Samsung SM843 120 GB 2.5" Serial ATA III vs Seagate ST400FP0021 internal solid state drive

Key differences

SSD capacity
- SM843 120 GB 2.5" Serial ATA III:120 GB
- ST400FP0021 internal solid state drive:400 GB
Write speed
- SM843 120 GB 2.5" Serial ATA III:420 MB/s
- ST400FP0021 internal solid state drive:450 MB/s

Differences highlightedShow differences only

Comparison of SM843, ST400FP0021
21 specifications	A Samsung SM843 120 GB 2.5" Serial ATA III Model SM843 View product	B Seagate ST400FP0021 internal solid state drive Model ST400FP0021 View product
Features2 differ
SSD capacityDiffers	120 GB	400 GB
Memory typeKnown for one	Unknown — not stated by the source	MLC
Write speedDiffers	420 MB/s	450 MB/s
Random read (4KB)Known for one	Unknown — not stated by the source	85000 IOPS
Random write (4KB)Known for one	Unknown — not stated by the source	30000 IOPS
S.M.A.R.T. supportKnown for one	Unknown — not stated by the source	Yes
Poweridentical
Power consumption (standby)Known for one	Unknown — not stated by the source	2.8 W
Power consumption (idle)Known for one	Unknown — not stated by the source	1.25 W
Power consumptionKnown for one	Unknown — not stated by the source	500 mA
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	70.1 mm
DepthKnown for one	Unknown — not stated by the source	100.5 mm
WeightKnown for one	Unknown — not stated by the source	100 g
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	0 - 70 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-40 - 75 °C
Other featuresidentical
InternalKnown for one	Unknown — not stated by the source	Yes
Product colourKnown for one	Black	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.