Product comparison · 2 internal solid state drives

Samsung 840 120 GB 2.5" Serial ATA III vs Samsung MZMPC128HBFU-00000 internal solid state drive

16specifications compared
7differ
9identical
14known for one product only

Key differences

SSD capacity
- 840 120 GB 2.5" Serial ATA III:120 GB
- MZMPC128HBFU-00000 internal solid state drive:128 GB
Interface
- 840 120 GB 2.5" Serial ATA III:Serial ATA III
- MZMPC128HBFU-00000 internal solid state drive:Serial ATA
Read speed
- 840 120 GB 2.5" Serial ATA III:530 MB/s
- MZMPC128HBFU-00000 internal solid state drive:500 MB/s
Write speed
- 840 120 GB 2.5" Serial ATA III:130 MB/s
- MZMPC128HBFU-00000 internal solid state drive:255 MB/s
Height
- 840 120 GB 2.5" Serial ATA III:7 mm
- MZMPC128HBFU-00000 internal solid state drive:3.75 mm
Weight
- 840 120 GB 2.5" Serial ATA III:70 g
- MZMPC128HBFU-00000 internal solid state drive:8 g
Storage temperature (T-T)
- 840 120 GB 2.5" Serial ATA III:-40 - 85 °C
- MZMPC128HBFU-00000 internal solid state drive:-55 - 95 °C

Side by side

Differences highlightedShow differences only

Comparison of 840, MZMPC128HBFU-00000
30 specifications	A Samsung 840 120 GB 2.5" Serial ATA III Model 840 View product	B Samsung MZMPC128HBFU-00000 internal solid state drive Model MZMPC128HBFU-00000 View product
Features4 differ
SSD capacityDiffers	120 GB	128 GB
SSD form factor	2.5"	2.5"
InterfaceDiffers	Serial ATA III	Serial ATA
Memory typeKnown for one	Unknown — not stated by the source	MLC
Data transfer rate	6 Gbit/s	6 Gbit/s
Read speedDiffers	530 MB/s	500 MB/s
Write speedDiffers	130 MB/s	255 MB/s
Bytes per sectorKnown for one	Unknown — not stated by the source	512
Native Command Queuing (NCQ)Known for one	Unknown — not stated by the source	Yes
Mean time between failures (MTBF)Known for one	Unknown — not stated by the source	1500000 h
Random read (4KB)Known for one	85000 IOPS	Unknown — not stated by the source
Random write (4KB)Known for one	32000 IOPS	Unknown — not stated by the source
Poweridentical
Power consumptionKnown for one	Unknown — not stated by the source	911 mA
Operating voltageKnown for one	5 V	Unknown — not stated by the source
Power consumption (read)Known for one	0.15 W	Unknown — not stated by the source
Power consumption (write)Known for one	0.15 W	Unknown — not stated by the source
Weight & dimensions2 differ
WidthKnown for one	Unknown — not stated by the source	29.9 mm
DepthKnown for one	Unknown — not stated by the source	50.8 mm
HeightDiffers	7 mm	3.75 mm
WeightDiffers	70 g	8 g
Operational conditions1 differ
Operating temperature (T-T)	0 - 70 °C	0 - 70 °C
Storage temperature (T-T)Differs	-40 - 85 °C	-55 - 95 °C
Operating relative humidity (H-H)	5 - 95%	5 - 95%
Storage relative humidity (H-H)	5 - 95%	5 - 95%
Operating shock	1500 G	1500 G
Other featuresidentical
Product colour	Black	Black
Internal	Yes	Yes
Connectivity technology	Wired	Wired
Connector(s)Known for one	Unknown — not stated by the source	PCIe
Compatible operating systemsKnown for one	Windows 7 (32-bit / 64-bit), Vista, XP, MAC OSX, Linux	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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