Product comparison · 2 internal hard drives

Lenovo 250GB 3.5" SATA II vs Samsung SpinPoint F1 HA751LJ internal hard drive

10specifications compared
9differ
1identical
21known for one product only

Key differences

HDD capacity
- 250GB 3.5" SATA II:250 GB
- SpinPoint F1 HA751LJ internal hard drive:750 GB
HDD speed
- 250GB 3.5" SATA II:10000 RPM
- SpinPoint F1 HA751LJ internal hard drive:7200 RPM
Interface
- 250GB 3.5" SATA II:Serial ATA II
- SpinPoint F1 HA751LJ internal hard drive:Serial ATA
Operating temperature (T-T)
- 250GB 3.5" SATA II:5 - 55 °C
- SpinPoint F1 HA751LJ internal hard drive:0 - 60 °C
Operating relative humidity (H-H)
- 250GB 3.5" SATA II:5 - 95%
- SpinPoint F1 HA751LJ internal hard drive:5 - 90%
Width
- 250GB 3.5" SATA II:101.6 mm
- SpinPoint F1 HA751LJ internal hard drive:101.5 mm
Depth
- 250GB 3.5" SATA II:26.1 mm
- SpinPoint F1 HA751LJ internal hard drive:147 mm
Height
- 250GB 3.5" SATA II:147 mm
- SpinPoint F1 HA751LJ internal hard drive:26.1 mm

Side by side

Differences highlightedShow differences only

Comparison of 250GB 3.5" SATA II, HA751LJ
31 specifications	A Lenovo 250GB 3.5" SATA II View product	B Samsung SpinPoint F1 HA751LJ internal hard drive Model HA751LJ View product
Features3 differ
HDD capacityDiffers	250 GB	750 GB
HDD speedDiffers	10000 RPM	7200 RPM
InterfaceDiffers	Serial ATA II	Serial ATA
Storage drive buffer sizeKnown for one	Unknown — not stated by the source	32 MB
Average seek timeKnown for one	Unknown — not stated by the source	8.9 ms
Average latencyKnown for one	Unknown — not stated by the source	4.17 ms
Bytes per sectorKnown for one	Unknown — not stated by the source	512
Start/stop cyclesKnown for one	Unknown — not stated by the source	50000
HDD sizeKnown for one	3.5"	Unknown — not stated by the source
TypeKnown for one	HDD	Unknown — not stated by the source
Poweridentical
Power consumption (standby)Known for one	Unknown — not stated by the source	0.7 W
Power consumption (PowerSave)Known for one	Unknown — not stated by the source	0.7 W
Operating voltageKnown for one	5 / 12 V	Unknown — not stated by the source
Operational conditions2 differ
Operating temperature (T-T)Differs	5 - 55 °C	0 - 60 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-40 - 70 °C
Operating relative humidity (H-H)Differs	5 - 95%	5 - 90%
Storage relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 95%
Operating altitudeKnown for one	Unknown — not stated by the source	-300 - 3000 m
Non-operating altitudeKnown for one	Unknown — not stated by the source	-300 - 12000 m
Operating shockKnown for one	Unknown — not stated by the source	70 G
Non-operating shockKnown for one	Unknown — not stated by the source	300 G
Weight & dimensions4 differ
WidthDiffers	101.6 mm	101.5 mm
DepthDiffers	26.1 mm	147 mm
HeightDiffers	147 mm	26.1 mm
WeightDiffers	677 g	650 g
Other featuresidentical
Power requirementsKnown for one	Unknown — not stated by the source	+5V±5%, +12V±10%
Data transfer rateKnown for one	Unknown — not stated by the source	3 Gbit/s
Internal	Yes	Yes
Supported data transfer ratesKnown for one	Unknown — not stated by the source	175/300 MB/s
Acoustic pressure emissionsKnown for one	Unknown — not stated by the source	29 dB
Windows operating systems supportedKnown 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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