Product comparison · 2 internal hard drives

Seagate 73.3GB HDD vs Seagate Cheetah 15K.3 18GB

13specifications compared
7differ
6identical
21known for one product only

Key differences

The Seagate 73.3GB HDD has 55.4 GB more HDD capacity than the Seagate Cheetah 15K.3 18GB (73.4 GB vs 18 GB). The Seagate Cheetah 15K.3 18GB has 5,000 RPM more HDD speed than the Seagate 73.3GB HDD (15000 RPM vs 10000 RPM). The Seagate 73.3GB HDD has 1.1 ms more read seek time than the Seagate Cheetah 15K.3 18GB (4.7 ms vs 3.6 ms).

HDD capacity
- 73.3GB HDD:73.4 GB
- Cheetah 15K.3 18GB:18 GB
HDD speed
- 73.3GB HDD:10000 RPM
- Cheetah 15K.3 18GB:15000 RPM
Read seek time
- 73.3GB HDD:4.7 ms
- Cheetah 15K.3 18GB:3.6 ms
Write seek time
- 73.3GB HDD:5.2 ms
- Cheetah 15K.3 18GB:4 ms
Track to track seek time
- 73.3GB HDD:0.3 ms
- Cheetah 15K.3 18GB:0.2 ms
Average latency
- 73.3GB HDD:2.99 ms
- Cheetah 15K.3 18GB:2 ms
Weight
- 73.3GB HDD:734 g
- Cheetah 15K.3 18GB:800 g

Side by side

Differences highlightedShow differences only

Comparison of 73.3GB HDD, Cheetah 15K.3 18GB
34 specifications	A Seagate 73.3GB HDD View product	B Seagate Cheetah 15K.3 18GB View product
Features6 differ
HDD capacityDiffers	73.4 GB	18 GB
HDD speedDiffers	10000 RPM	15000 RPM
HDD size	3.5"	3.5"
Interface	Fibre Channel	Fibre Channel
TypeKnown for one	HDD	Unknown — not stated by the source
Component for	Server/workstation	Server/workstation
Storage drive buffer size	8 MB	8 MB
HDD number of headsKnown for one	2	Unknown — not stated by the source
Read seek timeDiffers	4.7 ms	3.6 ms
Write seek timeDiffers	5.2 ms	4 ms
Track to track seek timeDiffers	0.3 ms	0.2 ms
Average latencyDiffers	2.99 ms	2 ms
Mean time between failures (MTBF)Known for one	1200000 h	Unknown — not stated by the source
Poweridentical
Power consumption (idle)Known for one	7.9 W	Unknown — not stated by the source
Operating voltage	5 / 12 V	5 / 12 V
Start-up currentKnown for one	0.97 A	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)	5 - 55 °C	5 - 55 °C
Storage temperature (T-T)Known for one	-40 - 70 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	5 - 95%	Unknown — not stated by the source
Storage relative humidity (H-H)Known for one	5 - 95%	Unknown — not stated by the source
Operating vibrationKnown for one	0.5 G	Unknown — not stated by the source
Non-operating vibrationKnown for one	5 G	Unknown — not stated by the source
Operating altitudeKnown for one	-304.8 - 3048 m	Unknown — not stated by the source
Non-operating altitudeKnown for one	-304.8 - 12192 m	Unknown — not stated by the source
Operating shockKnown for one	25 G	Unknown — not stated by the source
Non-operating shockKnown for one	225 G	Unknown — not stated by the source
Weight & dimensions1 differ
WidthKnown for one	101.6 mm	Unknown — not stated by the source
DepthKnown for one	146.1 mm	Unknown — not stated by the source
HeightKnown for one	25.4 mm	Unknown — not stated by the source
WeightDiffers	734 g	800 g
Other featuresidentical
Dimensions (WxDxH)Known for one	Unknown — not stated by the source	146.6 x 101.6 x 25.4 mm
InternalKnown for one	Unknown — not stated by the source	Yes
Number of pinsKnown for one	Unknown — not stated by the source	40
USB poweredKnown for one	Unknown — not stated by the source	No

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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