Product comparison · 2 internal hard drives

Fujitsu 40GB, 2.5", 4200rpm vs Lenovo 750GB 3.5" SATA

11specifications compared
10differ
1identical
22known for one product only

Key differences

The Lenovo 750GB 3.5" SATA has 710 GB more HDD capacity than the Fujitsu 40GB, 2.5", 4200rpm (750 GB vs 40 GB). The Lenovo 750GB 3.5" SATA has 3,000 RPM more HDD speed than the Fujitsu 40GB, 2.5", 4200rpm (7200 RPM vs 4200 RPM). The Lenovo 750GB 3.5" SATA has 1" more HDD size than the Fujitsu 40GB, 2.5", 4200rpm (3.5" vs 2.5"). Interface: Ultra-ATA/133 on the Fujitsu 40GB, 2.5", 4200rpm, Serial ATA on the Lenovo 750GB 3.5" SATA. Operating voltage: 5 V on the Fujitsu 40GB, 2.5", 4200rpm, 5 / 12 V on the Lenovo 750GB 3.5" SATA.

HDD capacity
- 40GB, 2.5", 4200rpm:40 GB
- 750GB 3.5" SATA:750 GB
HDD speed
- 40GB, 2.5", 4200rpm:4200 RPM
- 750GB 3.5" SATA:7200 RPM
HDD size
- 40GB, 2.5", 4200rpm:2.5"
- 750GB 3.5" SATA:3.5"
Interface
- 40GB, 2.5", 4200rpm:Ultra-ATA/133
- 750GB 3.5" SATA:Serial ATA
Storage drive buffer size
- 40GB, 2.5", 4200rpm:8 MB
- 750GB 3.5" SATA:32 MB
Operating voltage
- 40GB, 2.5", 4200rpm:5 V
- 750GB 3.5" SATA:5 / 12 V
Width
- 40GB, 2.5", 4200rpm:70 mm
- 750GB 3.5" SATA:101.6 mm
Depth
- 40GB, 2.5", 4200rpm:100 mm
- 750GB 3.5" SATA:26.1 mm

Side by side

Differences highlightedShow differences only

Comparison of 40GB, 2.5", 4200rpm, 750GB 3.5" SATA
33 specifications	A Fujitsu 40GB, 2.5", 4200rpm View product	B Lenovo 750GB 3.5" SATA View product
Features5 differ
HDD capacityDiffers	40 GB	750 GB
HDD speedDiffers	4200 RPM	7200 RPM
HDD sizeDiffers	2.5"	3.5"
InterfaceDiffers	Ultra-ATA/133	Serial ATA
Type	HDD	HDD
Storage drive buffer sizeDiffers	8 MB	32 MB
Read seek timeKnown for one	12 ms	Unknown — not stated by the source
Write seek timeKnown for one	14 ms	Unknown — not stated by the source
Track to track seek timeKnown for one	1.5 ms	Unknown — not stated by the source
Average latencyKnown for one	7.14 ms	Unknown — not stated by the source
Bytes per sectorKnown for one	512	Unknown — not stated by the source
Mean time between failures (MTBF)Known for one	300000 h	Unknown — not stated by the source
Average seek timeKnown for one	Unknown — not stated by the source	8.2 ms
Power1 differ
Power consumption (typical)Known for one	6 W	Unknown — not stated by the source
Power consumption (standby)Known for one	0.2 W	Unknown — not stated by the source
Operating voltageDiffers	5 V	5 / 12 V
Operational conditionsidentical
Operating temperature (T-T)Known for one	-20 - 80 °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	8 - 90%	Unknown — not stated by the source
Storage relative humidity (H-H)Known for one	5 - 95%	Unknown — not stated by the source
Operating vibrationKnown for one	1 G	Unknown — not stated by the source
Non-operating vibrationKnown for one	5 G	Unknown — not stated by the source
Operating altitudeKnown for one	-300 - 4000 m	Unknown — not stated by the source
Non-operating altitudeKnown for one	-300 - 12000 m	Unknown — not stated by the source
Operating shockKnown for one	300 G	Unknown — not stated by the source
Non-operating shockKnown for one	900 G	Unknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers	70 mm	101.6 mm
DepthDiffers	100 mm	26.1 mm
HeightDiffers	9.5 mm	147 mm
WeightDiffers	960 g	700 g
Other featuresidentical
Drive ready timeKnown for one	3.5 s	Unknown — not stated by the source
Acoustic pressure emissionsKnown for one	16 dB	Unknown — not stated by the source
Windows operating systems supportedKnown for one	Unknown — not stated by the source	Yes

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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