Product comparison · 2 internal hard drives

Lenovo 146GB 2.5" 15K SAS vs Lenovo 500GB 7200 rpm Serial ATA Hard Drive

6specifications compared
5differ
1identical
9known for one product only

Key differences

The Lenovo 500GB 7200 rpm Serial ATA Hard Drive has 354 GB more HDD capacity than the Lenovo 146GB 2.5" 15K SAS (500 GB vs 146 GB). The Lenovo 146GB 2.5" 15K SAS has 7,800 RPM more HDD speed than the Lenovo 500GB 7200 rpm Serial ATA Hard Drive (15000 RPM vs 7200 RPM). The Lenovo 500GB 7200 rpm Serial ATA Hard Drive has 1" more HDD size than the Lenovo 146GB 2.5" 15K SAS (3.5" vs 2.5"). Interface: SAS on the Lenovo 146GB 2.5" 15K SAS, Serial ATA on the Lenovo 500GB 7200 rpm Serial ATA Hard Drive. Operating voltage: 5 V on the Lenovo 146GB 2.5" 15K SAS, 5 / 12 V on the Lenovo 500GB 7200 rpm Serial ATA Hard Drive.

HDD capacity
- 146GB 2.5" 15K SAS:146 GB
- 500GB 7200 rpm Serial ATA Hard Drive:500 GB
HDD speed
- 146GB 2.5" 15K SAS:15000 RPM
- 500GB 7200 rpm Serial ATA Hard Drive:7200 RPM
HDD size
- 146GB 2.5" 15K SAS:2.5"
- 500GB 7200 rpm Serial ATA Hard Drive:3.5"
Interface
- 146GB 2.5" 15K SAS:SAS
- 500GB 7200 rpm Serial ATA Hard Drive:Serial ATA
Operating voltage
- 146GB 2.5" 15K SAS:5 V
- 500GB 7200 rpm Serial ATA Hard Drive:5 / 12 V

Side by side

Differences highlightedShow differences only

Comparison of 146GB 2.5" 15K SAS, 500GB 7200 rpm Serial ATA Hard Drive
15 specifications	A Lenovo 146GB 2.5" 15K SAS View product	B Lenovo 500GB 7200 rpm Serial ATA Hard Drive View product
Features4 differ
HDD capacityDiffers	146 GB	500 GB
HDD speedDiffers	15000 RPM	7200 RPM
HDD sizeDiffers	2.5"	3.5"
InterfaceDiffers	SAS	Serial ATA
Type	HDD	HDD
Storage drive buffer sizeKnown for one	Unknown — not stated by the source	8 MB
Read seek timeKnown for one	Unknown — not stated by the source	8.5 ms
Average latencyKnown for one	Unknown — not stated by the source	4.2 ms
Component forKnown for one	Server/workstation	Unknown — not stated by the source
Power1 differ
Operating voltageDiffers	5 V	5 / 12 V
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	102 mm
DepthKnown for one	Unknown — not stated by the source	26 mm
HeightKnown for one	Unknown — not stated by the source	147 mm
WeightKnown for one	Unknown — not stated by the source	700 g
Other featuresidentical
CertificationKnown for one	Unknown — not stated by the source	BSMI, C-Tick, CE MARK, CSA, IEC, TUV, UL

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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