Product comparison · 2 internal hard drives

Seagate Barracuda 7200.7 SATA 160GB RK vs Seagate Cheetah 15K.3 18GB

12specifications compared
7differ
5identical
7known for one product only

Key differences

The Seagate Barracuda 7200.7 SATA 160GB RK has 142 GB more HDD capacity than the Seagate Cheetah 15K.3 18GB (160 GB vs 18 GB). The Seagate Cheetah 15K.3 18GB has 7,800 RPM more HDD speed than the Seagate Barracuda 7200.7 SATA 160GB RK (15000 RPM vs 7200 RPM). The Seagate Barracuda 7200.7 SATA 160GB RK has 2.16 ms more average latency than the Seagate Cheetah 15K.3 18GB (4.16 ms vs 2 ms). Interface: Serial ATA on the Seagate Barracuda 7200.7 SATA 160GB RK, Fibre Channel on the Seagate Cheetah 15K.3 18GB. Operating temperature (T-T): 0 - 60 °C on the Seagate Barracuda 7200.7 SATA 160GB RK, 5 - 55 °C on the Seagate Cheetah 15K.3 18GB.

HDD capacity
- Barracuda 7200.7 SATA 160GB RK:160 GB
- Cheetah 15K.3 18GB:18 GB
HDD speed
- Barracuda 7200.7 SATA 160GB RK:7200 RPM
- Cheetah 15K.3 18GB:15000 RPM
Interface
- Barracuda 7200.7 SATA 160GB RK:Serial ATA
- Cheetah 15K.3 18GB:Fibre Channel
Average latency
- Barracuda 7200.7 SATA 160GB RK:4.16 ms
- Cheetah 15K.3 18GB:2 ms
Operating temperature (T-T)
- Barracuda 7200.7 SATA 160GB RK:0 - 60 °C
- Cheetah 15K.3 18GB:5 - 55 °C
Weight
- Barracuda 7200.7 SATA 160GB RK:635 g
- Cheetah 15K.3 18GB:800 g
Dimensions (WxDxH)
- Barracuda 7200.7 SATA 160GB RK:146.99 x 101.6 x 26.035 mm
- Cheetah 15K.3 18GB:146.6 x 101.6 x 25.4 mm

Side by side

Differences highlightedShow differences only

Comparison of Barracuda 7200.7 SATA 160GB RK, Cheetah 15K.3 18GB
19 specifications	A Seagate Barracuda 7200.7 SATA 160GB RK View product	B Seagate Cheetah 15K.3 18GB View product
Features4 differ
HDD capacityDiffers	160 GB	18 GB
HDD speedDiffers	7200 RPM	15000 RPM
HDD size	3.5"	3.5"
InterfaceDiffers	Serial ATA	Fibre Channel
Component forKnown for one	Unknown — not stated by the source	Server/workstation
Storage drive buffer size	8 MB	8 MB
Read seek timeKnown for one	Unknown — not stated by the source	3.6 ms
Write seek timeKnown for one	Unknown — not stated by the source	4 ms
Track to track seek timeKnown for one	Unknown — not stated by the source	0.2 ms
Average latencyDiffers	4.16 ms	2 ms
Average seek timeKnown for one	8.5 ms	Unknown — not stated by the source
Poweridentical
Operating voltage	5 / 12 V	5 / 12 V
Operational conditions1 differ
Operating temperature (T-T)Differs	0 - 60 °C	5 - 55 °C
Weight & dimensions1 differ
WeightDiffers	635 g	800 g
Other features1 differ
Dimensions (WxDxH)Differs	146.99 x 101.6 x 26.035 mm	146.6 x 101.6 x 25.4 mm
Internal	Yes	Yes
Number of pinsKnown for one	Unknown — not stated by the source	40
USB powered	No	No
HDD transfer rateKnown for one	150 Mbit/s	Unknown — not stated by the source

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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