Product comparison · 2 internal hard drives

Lenovo 73GB SAS SFF HDD vs Samsung 250GB SATA

7specifications compared
5differ
2identical
26known for one product only

Key differences

HDD capacity
- 73GB SAS SFF HDD:73 GB
- 250GB SATA:250 GB
HDD speed
- 73GB SAS SFF HDD:15000 RPM
- 250GB SATA:5400 RPM
Interface
- 73GB SAS SFF HDD:SAS
- 250GB SATA:Serial ATA
Storage drive buffer size
- 73GB SAS SFF HDD:16 MB
- 250GB SATA:8 MB
Average seek time
- 73GB SAS SFF HDD:2.8 ms
- 250GB SATA:12 ms

Side by side

Differences highlightedShow differences only

Comparison of 73GB SAS SFF HDD, 250GB SATA
33 specifications	A Lenovo 73GB SAS SFF HDD View product	B Samsung 250GB SATA View product
Features5 differ
HDD capacityDiffers	73 GB	250 GB
HDD speedDiffers	15000 RPM	5400 RPM
HDD size	2.5"	2.5"
InterfaceDiffers	SAS	Serial ATA
TypeKnown for one	Unknown — not stated by the source	HDD
Storage drive buffer sizeDiffers	16 MB	8 MB
HDD interface transfer rateKnown for one	Unknown — not stated by the source	1.5 Gbit/s
Average seek timeDiffers	2.8 ms	12 ms
Bytes per sectorKnown for one	Unknown — not stated by the source	512
Average latencyKnown for one	2 ms	Unknown — not stated by the source
Poweridentical
Power consumption (standby)Known for one	Unknown — not stated by the source	0.25 W
Power consumption (off)Known for one	Unknown — not stated by the source	0.2 W
Power consumption (read)Known for one	Unknown — not stated by the source	2 W
Power consumption (write)Known for one	Unknown — not stated by the source	2 W
Operating voltage	5 V	5 V
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	5 - 55 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-40 - 70 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 90%
Storage relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 95%
Operating vibrationKnown for one	Unknown — not stated by the source	0.7 G
Operating altitudeKnown for one	Unknown — not stated by the source	-300 - 3000 m
Non-operating altitudeKnown for one	Unknown — not stated by the source	-400 - 15000 m
Operating shockKnown for one	Unknown — not stated by the source	325 G
Non-operating shockKnown for one	Unknown — not stated by the source	1000 G
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	69.8 mm
DepthKnown for one	Unknown — not stated by the source	100 mm
HeightKnown for one	Unknown — not stated by the source	9.5 mm
WeightKnown for one	Unknown — not stated by the source	102 g
Other featuresidentical
Drive device, transfer rateKnown for one	Unknown — not stated by the source	150 MB/s
Drive ready timeKnown for one	Unknown — not stated by the source	4 s
Maximum data transfer rateKnown for one	Unknown — not stated by the source	826 Mbit/s
InternalKnown for one	Yes	Unknown — not stated by the source
Sustained data rateKnown for one	112 MB/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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