Product comparison · 2 internal hard drives

Lenovo 146GB 2.5" 15K SAS vs Seagate 3TB HDD SATA

6specifications compared
5differ
1identical
24known for one product only

Key differences

HDD capacity
- 146GB 2.5" 15K SAS:146 GB
- 3TB HDD SATA:3 TB
HDD speed
- 146GB 2.5" 15K SAS:15000 RPM
- 3TB HDD SATA:7200 RPM
HDD size
- 146GB 2.5" 15K SAS:2.5"
- 3TB HDD SATA:3.5"
Interface
- 146GB 2.5" 15K SAS:SAS
- 3TB HDD SATA:Serial ATA III
Operating voltage
- 146GB 2.5" 15K SAS:5 V
- 3TB HDD SATA:5 / 12 V

Side by side

Differences highlightedShow differences only

Comparison of 146GB 2.5" 15K SAS, 3TB HDD SATA
30 specifications	A Lenovo 146GB 2.5" 15K SAS View product	B Seagate 3TB HDD SATA View product
Features4 differ
HDD capacityDiffers	146 GB	3 TB
HDD speedDiffers	15000 RPM	7200 RPM
HDD sizeDiffers	2.5"	3.5"
InterfaceDiffers	SAS	Serial ATA III
Type	HDD	HDD
Storage drive buffer sizeKnown for one	Unknown — not stated by the source	64 MB
Write speedKnown for one	Unknown — not stated by the source	146 MB/s
Read speedKnown for one	Unknown — not stated by the source	180 MB/s
HDD interface transfer rateKnown for one	Unknown — not stated by the source	6 Gbit/s
HDD number of headsKnown for one	Unknown — not stated by the source	8
Read seek timeKnown for one	Unknown — not stated by the source	12 ms
Write seek timeKnown for one	Unknown — not stated by the source	12 ms
Average latencyKnown for one	Unknown — not stated by the source	5.1 ms
Bytes per sectorKnown for one	Unknown — not stated by the source	4096
Start/stop cyclesKnown for one	Unknown — not stated by the source	300000
Component forKnown for one	Server/workstation	Unknown — not stated by the source
Power1 differ
Power consumption (typical)Known for one	Unknown — not stated by the source	7.5 W
Power consumption (standby)Known for one	Unknown — not stated by the source	0.75 W
Power consumption (PowerSave)Known for one	Unknown — not stated by the source	0.75 W
Power consumption (idle)Known for one	Unknown — not stated by the source	5 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 - 60 °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	80 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	101.6 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	610 g

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