Product comparison · 2 internal hard drives

Lenovo 450GB SAS vs Samsung 250GB SATA

5specifications compared
5differ
0identical
26known for one product only

Key differences

The Lenovo 450GB SAS has 200 GB more HDD capacity than the Samsung 250GB SATA (450 GB vs 250 GB). The Lenovo 450GB SAS has 9,600 RPM more HDD speed than the Samsung 250GB SATA (15000 RPM vs 5400 RPM). The Lenovo 450GB SAS has 1" more HDD size than the Samsung 250GB SATA (3.5" vs 2.5"). Interface: SAS on the Lenovo 450GB SAS, Serial ATA on the Samsung 250GB SATA. Operating voltage: 5 / 12 V on the Lenovo 450GB SAS, 5 V on the Samsung 250GB SATA.

HDD capacity
- 450GB SAS:450 GB
- 250GB SATA:250 GB
HDD speed
- 450GB SAS:15000 RPM
- 250GB SATA:5400 RPM
HDD size
- 450GB SAS:3.5"
- 250GB SATA:2.5"
Interface
- 450GB SAS:SAS
- 250GB SATA:Serial ATA
Operating voltage
- 450GB SAS:5 / 12 V
- 250GB SATA:5 V

Side by side

Differences highlightedShow differences only

Comparison of 450GB SAS, 250GB SATA
31 specifications	A Lenovo 450GB SAS View product	B Samsung 250GB SATA View product
Features4 differ
HDD capacityDiffers	450 GB	250 GB
HDD speedDiffers	15000 RPM	5400 RPM
HDD sizeDiffers	3.5"	2.5"
InterfaceDiffers	SAS	Serial ATA
TypeKnown for one	Unknown — not stated by the source	HDD
Storage drive buffer sizeKnown for one	Unknown — not stated by the source	8 MB
HDD interface transfer rateKnown for one	Unknown — not stated by the source	1.5 Gbit/s
Average seek timeKnown for one	Unknown — not stated by the source	12 ms
Bytes per sectorKnown for one	Unknown — not stated by the source	512
Power1 differ
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 voltageDiffers	5 / 12 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

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.

More internal hard drive comparisons

All internal hard drive comparisons