Product comparison · 2 internal hard drives

Lenovo 146GB 2.5" SAS vs Seagate SATA 500GB

9specifications compared
7differ
2identical
21known for one product only

Key differences

HDD capacity
- 146GB 2.5" SAS:146 GB
- SATA 500GB:500 GB
HDD speed
- 146GB 2.5" SAS:15000 RPM
- SATA 500GB:7200 RPM
HDD size
- 146GB 2.5" SAS:2.5"
- SATA 500GB:3.5"
Interface
- 146GB 2.5" SAS:SAS
- SATA 500GB:Serial ATA II
Component for
- 146GB 2.5" SAS:Server/workstation
- SATA 500GB:Surveillance system
Operating voltage
- 146GB 2.5" SAS:5 V
- SATA 500GB:5 / 12 V
Data transfer rate
- 146GB 2.5" SAS:6 Gbit/s
- SATA 500GB:3 Gbit/s

Side by side

Differences highlightedShow differences only

Comparison of 146GB 2.5" SAS, SATA 500GB
30 specifications	A Lenovo 146GB 2.5" SAS View product	B Seagate SATA 500GB View product
Features5 differ
HDD capacityDiffers	146 GB	500 GB
HDD speedDiffers	15000 RPM	7200 RPM
HDD sizeDiffers	2.5"	3.5"
InterfaceDiffers	SAS	Serial ATA II
Component forDiffers	Server/workstation	Surveillance system
Storage drive buffer sizeKnown for one	Unknown — not stated by the source	16 MB
Read seek timeKnown for one	Unknown — not stated by the source	8.5 ms
Write seek timeKnown for one	Unknown — not stated by the source	9.5 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
Mean time between failures (MTBF)Known for one	Unknown — not stated by the source	1000000 h
Hot-swapKnown for one	Yes	Unknown — not stated by the source
Power1 differ
Power consumption (typical)Known for one	Unknown — not stated by the source	7 W
Power consumption (standby)Known for one	Unknown — not stated by the source	1 W
Power consumption (PowerSave)Known for one	Unknown — not stated by the source	1 W
Operating voltageDiffers	5 V	5 / 12 V
Start-up currentKnown for one	Unknown — not stated by the source	2 A
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	0 - 70 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-40 - 70 °C
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 & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	101.8 mm
DepthKnown for one	Unknown — not stated by the source	147 mm
HeightKnown for one	Unknown — not stated by the source	26.1 mm
WeightKnown for one	Unknown — not stated by the source	544 g
Other features1 differ
Dimensions (WxDxH)Known for one	Unknown — not stated by the source	101.85 x 146.99 x 26.1 mm
Data transfer rateDiffers	6 Gbit/s	3 Gbit/s
Sustained data rateKnown for one	Unknown — not stated by the source	0 MB/s

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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