Product comparison · 2 internal hard drives

Seagate Cheetah 15K.7 internal hard drive vs Seagate Barracuda XT

6specifications compared
4differ
2identical
25known for one product only

Key differences

HDD capacity
- Cheetah 15K.7 internal hard drive:300 GB
- Barracuda XT:3 TB
HDD speed
- Cheetah 15K.7 internal hard drive:15000 RPM
- Barracuda XT:7200 RPM
Interface
- Cheetah 15K.7 internal hard drive:Ultra320 SCSI
- Barracuda XT:Serial ATA
Storage drive buffer size
- Cheetah 15K.7 internal hard drive:16 MB
- Barracuda XT:64 MB

Side by side

Differences highlightedShow differences only

Comparison of 15K.7, Barracuda XT
31 specifications	A Seagate Cheetah 15K.7 internal hard drive Model 15K.7 View product	B Seagate Barracuda XT View product
Features4 differ
HDD capacityDiffers	300 GB	3 TB
HDD speedDiffers	15000 RPM	7200 RPM
HDD size	3.5"	3.5"
InterfaceDiffers	Ultra320 SCSI	Serial ATA
Component forKnown for one	Server/workstation	Unknown — not stated by the source
Storage drive buffer sizeDiffers	16 MB	64 MB
HDD number of headsKnown for one	8	Unknown — not stated by the source
Read seek timeKnown for one	3.4 ms	Unknown — not stated by the source
Write seek timeKnown for one	3.9 ms	Unknown — not stated by the source
Average latencyKnown for one	2 ms	Unknown — not stated by the source
Mean time between failures (MTBF)Known for one	1600000 h	Unknown — not stated by the source
Poweridentical
Power consumption (typical)Known for one	13.8 W	Unknown — not stated by the source
Power consumption (standby)Known for one	8.98 W	Unknown — not stated by the source
Operating voltage	5 / 12 V	5 / 12 V
Start-up currentKnown for one	3.75 A	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	5 - 55 °C	Unknown — not stated by the source
Storage temperature (T-T)Known for one	-40 - 70 °C	Unknown — not stated by the source
Operating vibrationKnown for one	1 G	Unknown — not stated by the source
Non-operating vibrationKnown for one	3 G	Unknown — not stated by the source
Operating shockKnown for one	60 G	Unknown — not stated by the source
Non-operating shockKnown for one	300 G	Unknown — not stated by the source
Weight & dimensionsidentical
WidthKnown for one	101.8 mm	Unknown — not stated by the source
DepthKnown for one	147 mm	Unknown — not stated by the source
HeightKnown for one	26.1 mm	Unknown — not stated by the source
WeightKnown for one	671 g	Unknown — not stated by the source
Other featuresidentical
Data transfer rateKnown for one	4 Gbit/s	Unknown — not stated by the source
Product colourKnown for one	Unknown — not stated by the source	Black
InternalKnown for one	Unknown — not stated by the source	Yes
Plug and PlayKnown for one	Unknown — not stated by the source	Yes
USB poweredKnown for one	Unknown — not stated by the source	No
Compatible productsKnown for one	Unknown — not stated by the source	Windows Vista, 7

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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