Product comparison · 2 internal hard drives

Lenovo 146GB 2.5" 15K SAS vs Seagate NAS 4TB SATA 3.5" 5900rpm

Key differences

HDD capacity
- 146GB 2.5" 15K SAS:146 GB
- NAS 4TB SATA 3.5" 5900rpm:4 TB
HDD speed
- 146GB 2.5" 15K SAS:15000 RPM
- NAS 4TB SATA 3.5" 5900rpm:5900 RPM
HDD size
- 146GB 2.5" 15K SAS:2.5"
- NAS 4TB SATA 3.5" 5900rpm:3.5"
Interface
- 146GB 2.5" 15K SAS:SAS
- NAS 4TB SATA 3.5" 5900rpm:Serial ATA III
Component for
- 146GB 2.5" 15K SAS:Server/workstation
- NAS 4TB SATA 3.5" 5900rpm:NAS
Operating voltage
- 146GB 2.5" 15K SAS:5 V
- NAS 4TB SATA 3.5" 5900rpm:5 / 12 V

Differences highlightedShow differences only

Comparison of 146GB 2.5" 15K SAS, NAS 4TB SATA 3.5" 5900rpm
21 specifications	A Lenovo 146GB 2.5" 15K SAS View product	B Seagate NAS 4TB SATA 3.5" 5900rpm View product
Features5 differ
HDD capacityDiffers	146 GB	4 TB
HDD speedDiffers	15000 RPM	5900 RPM
HDD sizeDiffers	2.5"	3.5"
InterfaceDiffers	SAS	Serial ATA III
Type	HDD	HDD
Component forDiffers	Server/workstation	NAS
Storage drive buffer sizeKnown for one	Unknown — not stated by the source	64 MB
HDD sustained transfer rateKnown for one	Unknown — not stated by the source	159 MiB/s
Start/stop cyclesKnown for one	Unknown — not stated by the source	600000
Mean time between failures (MTBF)Known for one	Unknown — not stated by the source	1000000 h
Power1 differ
Power consumption (typical)Known for one	Unknown — not stated by the source	4.8 W
Power consumption (idle)Known for one	Unknown — not stated by the source	3.95 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 vibrationKnown for one	Unknown — not stated by the source	80 G
Non-operating vibrationKnown for one	Unknown — not stated by the source	3000 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

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.