Product comparison · 2 internal hard drives

Seagate 146GB 3.5" SAS vs Seagate Cheetah 15K.6 300-GB

20specifications compared
6differ
14identical
10known for one product only

Key differences

HDD capacity
- 146GB 3.5" SAS:146 GB
- Cheetah 15K.6 300-GB:300 GB
HDD number of heads
- 146GB 3.5" SAS:3
- Cheetah 15K.6 300-GB:6
Width
- 146GB 3.5" SAS:101.6 mm
- Cheetah 15K.6 300-GB:101.8 mm
Depth
- 146GB 3.5" SAS:146.1 mm
- Cheetah 15K.6 300-GB:147 mm
Height
- 146GB 3.5" SAS:25.4 mm
- Cheetah 15K.6 300-GB:26.1 mm
Weight
- 146GB 3.5" SAS:0.674 g
- Cheetah 15K.6 300-GB:694 g

Side by side

Differences highlightedShow differences only

Comparison of 146GB 3.5" SAS, Cheetah 15K.6 300-GB
30 specifications	A Seagate 146GB 3.5" SAS View product	B Seagate Cheetah 15K.6 300-GB View product
Features2 differ
HDD capacityDiffers	146 GB	300 GB
HDD speed	15000 RPM	15000 RPM
HDD sizeKnown for one	3.5"	Unknown — not stated by the source
Interface	SAS	SAS
Type	HDD	HDD
Component for	Server/workstation	Server/workstation
Storage drive buffer size	16 MB	16 MB
HDD number of headsDiffers	3	6
Read seek time	3.4 ms	3.4 ms
Write seek time	3.9 ms	3.9 ms
Track to track seek timeKnown for one	0.2 ms	Unknown — not stated by the source
Average latency	2 ms	2 ms
Mean time between failures (MTBF)	1600000 h	1600000 h
Poweridentical
Operating voltageKnown for one	5 / 12 V	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)	5 - 55 °C	5 - 55 °C
Storage temperature (T-T)	-40 - 70 °C	-40 - 70 °C
Operating vibrationKnown for one	1 Gs	Unknown — not stated by the source
Non-operating vibrationKnown for one	2 Gs	Unknown — not stated by the source
Operating shock	60 G	60 G
Non-operating shock	250 G	250 G
Weight & dimensions4 differ
WidthDiffers	101.6 mm	101.8 mm
DepthDiffers	146.1 mm	147 mm
HeightDiffers	25.4 mm	26.1 mm
WeightDiffers	0.674 g	694 g
Other featuresidentical
HDD transfer rateKnown for one	1051 Mbit/s	Unknown — not stated by the source
Fibre ChannelKnown for one	Yes	Unknown — not stated by the source
Internal	Yes	Yes
Sustained data rateKnown for one	171 MB/s	Unknown — not stated by the source
Data transfer rateKnown for one	Unknown — not stated by the source	3 Gbit/s
Track densityKnown for one	Unknown — not stated by the source	165 Gbits/inch2

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