Product comparison · 2 internal hard drives

Lenovo 450GB 3.5" SAS vs Samsung 320GB Serial ATA II

6specifications compared
3differ
3identical
25known for one product only

Key differences

HDD capacity
- 450GB 3.5" SAS:450 GB
- 320GB Serial ATA II:320 GB
HDD speed
- 450GB 3.5" SAS:15000 RPM
- 320GB Serial ATA II:7200 RPM
Interface
- 450GB 3.5" SAS:SAS
- 320GB Serial ATA II:Serial ATA II

Side by side

Differences highlightedShow differences only

Comparison of 450GB 3.5" SAS, 320GB Serial ATA II
31 specifications	A Lenovo 450GB 3.5" SAS View product	B Samsung 320GB Serial ATA II View product
Features3 differ
HDD capacityDiffers	450 GB	320 GB
HDD speedDiffers	15000 RPM	7200 RPM
HDD size	3.5"	3.5"
InterfaceDiffers	SAS	Serial ATA II
Storage drive buffer sizeKnown for one	Unknown — not stated by the source	16 MB
Full stroke seek timeKnown for one	Unknown — not stated by the source	18 ms
Track to track seek timeKnown for one	Unknown — not stated by the source	0.8 ms
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
Mean time between failures (MTBF)Known for one	Unknown — not stated by the source	600000 h
TypeKnown for one	HDD	Unknown — not stated by the source
Hot-swapKnown for one	Yes	Unknown — not stated by the source
Poweridentical
Power consumption (standby)Known for one	Unknown — not stated by the source	1.2 W
Operating voltage	5 / 12 V	5 / 12 V
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	0 - 60 °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 shockKnown for one	Unknown — not stated by the source	63 G
Non-operating shockKnown for one	Unknown — not stated by the source	300 G
Other featuresidentical
HDD transfer rateKnown for one	Unknown — not stated by the source	300 Mbit/s
Power requirementsKnown for one	Unknown — not stated by the source	+5V±5%
Product colourKnown for one	Unknown — not stated by the source	Black
Drive ready timeKnown for one	Unknown — not stated by the source	10 s
Internal	Yes	Yes
Acoustic pressure emissionsKnown for one	Unknown — not stated by the source	2.4 dB
CertificationKnown for one	UL, C-Tick, CE, CSA, TUV, BSMI	Unknown — not stated by the source
Weight & dimensionsidentical
WidthKnown for one	101 mm	Unknown — not stated by the source
DepthKnown for one	147 mm	Unknown — not stated by the source
HeightKnown for one	26 mm	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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