Product comparison · 2 internal hard drives

Fujitsu MHZ2120BJ - 120 GB, 2.5", 7200 RPM vs Fujitsu MHZ2500BT internal hard drive

23specifications compared
11differ
12identical
12known for one product only

Key differences

HDD capacity
- MHZ2120BJ - 120 GB, 2.5", 7200 RPM:120 GB
- MHZ2500BT internal hard drive:500 GB
HDD speed
- MHZ2120BJ - 120 GB, 2.5", 7200 RPM:7200 RPM
- MHZ2500BT internal hard drive:4200 RPM
Storage drive buffer size
- MHZ2120BJ - 120 GB, 2.5", 7200 RPM:16 MB
- MHZ2500BT internal hard drive:8 MB
Average latency
- MHZ2120BJ - 120 GB, 2.5", 7200 RPM:4.17 ms
- MHZ2500BT internal hard drive:7.14 ms
Operating vibration
- MHZ2120BJ - 120 GB, 2.5", 7200 RPM:9.8 G
- MHZ2500BT internal hard drive:9.8m/s² (1.0 G) 5 - 500 Hz
Non-operating vibration
- MHZ2120BJ - 120 GB, 2.5", 7200 RPM:49 G
- MHZ2500BT internal hard drive:49m/s² (5.0 G) 5 - 500 Hz
Operating shock
- MHZ2120BJ - 120 GB, 2.5", 7200 RPM:325 G
- MHZ2500BT internal hard drive:300 G
Width
- MHZ2120BJ - 120 GB, 2.5", 7200 RPM:700 mm
- MHZ2500BT internal hard drive:100 mm

Side by side

Differences highlightedShow differences only

Comparison of MHZ2120BJ - 120 GB, 2.5", 7200 RPM, MHZ2500BT
35 specifications	A Fujitsu MHZ2120BJ - 120 GB, 2.5", 7200 RPM View product	B Fujitsu MHZ2500BT internal hard drive Model MHZ2500BT View product
Features4 differ
HDD capacityDiffers	120 GB	500 GB
HDD speedDiffers	7200 RPM	4200 RPM
HDD size	2.5"	2.5"
Interface	Serial ATA	Serial ATA
Storage drive buffer sizeDiffers	16 MB	8 MB
Full stroke seek timeKnown for one	Unknown — not stated by the source	22 ms
Track to track seek time	1.5 ms	1.5 ms
Average seek timeKnown for one	Unknown — not stated by the source	12 ms
Average latencyDiffers	4.17 ms	7.14 ms
Bytes per sector	512	512
Mean time between failures (MTBF)Known for one	Unknown — not stated by the source	300000 h
Read seek timeKnown for one	10.5 ms	Unknown — not stated by the source
Write seek timeKnown for one	12.5 ms	Unknown — not stated by the source
Poweridentical
Operating voltage	5 V	5 V
Operational conditions3 differ
Operating temperature (T-T)	5 - 55 °C	5 - 55 °C
Storage temperature (T-T)	-40 - 65 °C	-40 - 65 °C
Operating relative humidity (H-H)	8 - 90%	8 - 90%
Storage relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 95%
Operating vibrationDiffers	9.8 G	9.8m/s² (1.0 G) 5 - 500 Hz
Non-operating vibrationDiffers	49 G	49m/s² (5.0 G) 5 - 500 Hz
Operating altitude	-300 - 3000 m	-300 - 3000 m
Non-operating altitude	-300 - 12000 m	-300 - 12000 m
Operating shockDiffers	325 G	300 G
Non-operating shock	900 G	900 G
Weight & dimensions4 differ
WidthDiffers	700 mm	100 mm
DepthDiffers	100 mm	70 mm
HeightDiffers	9.5 mm	12.5 mm
WeightDiffers	116 g	135 g
Other featuresidentical
Dimensions (WxDxH)Known for one	Unknown — not stated by the source	100 x 70 x 12.5 mm
Interface typeKnown for one	Unknown — not stated by the source	SATA 3.0Gb/s, ATA-8
Internal	Yes	Yes
Maximum data transfer rateKnown for one	Unknown — not stated by the source	300 Mbit/s
Acoustic pressure emissionsKnown for one	Unknown — not stated by the source	24 dB
Cartridge load/Unload cyclesKnown for one	Unknown — not stated by the source	600000
Data transfer rateKnown for one	3 Gbit/s	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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