Product comparison · 2 internal hard drives

Seagate 146GB 3.5" SAS vs Seagate Barracuda 7200.11 SATA 3Gb/s 160-GB Hard Drive

16specifications compared
13differ
3identical
13known for one product only

Key differences

HDD capacity
- 146GB 3.5" SAS:146 GB
- Barracuda 7200.11 SATA 3Gb/s 160-GB Hard Drive:160 GB
HDD speed
- 146GB 3.5" SAS:15000 RPM
- Barracuda 7200.11 SATA 3Gb/s 160-GB Hard Drive:7200 RPM
Interface
- 146GB 3.5" SAS:SAS
- Barracuda 7200.11 SATA 3Gb/s 160-GB Hard Drive:Serial ATA
Storage drive buffer size
- 146GB 3.5" SAS:16 MB
- Barracuda 7200.11 SATA 3Gb/s 160-GB Hard Drive:8 MB
Read seek time
- 146GB 3.5" SAS:3.4 ms
- Barracuda 7200.11 SATA 3Gb/s 160-GB Hard Drive:11 ms
Write seek time
- 146GB 3.5" SAS:3.9 ms
- Barracuda 7200.11 SATA 3Gb/s 160-GB Hard Drive:12 ms
Average latency
- 146GB 3.5" SAS:2 ms
- Barracuda 7200.11 SATA 3Gb/s 160-GB Hard Drive:4.16 ms
Operating temperature (T-T)
- 146GB 3.5" SAS:5 - 55 °C
- Barracuda 7200.11 SATA 3Gb/s 160-GB Hard Drive:0 - 60 °C

Side by side

Differences highlightedShow differences only

Comparison of 146GB 3.5" SAS, Barracuda 7200.11 SATA 3Gb/s 160-GB Hard Drive
29 specifications	A Seagate 146GB 3.5" SAS View product	B Seagate Barracuda 7200.11 SATA 3Gb/s 160-GB Hard Drive View product
Features7 differ
HDD capacityDiffers	146 GB	160 GB
HDD speedDiffers	15000 RPM	7200 RPM
HDD sizeKnown for one	3.5"	Unknown — not stated by the source
InterfaceDiffers	SAS	Serial ATA
Component forKnown for one	Server/workstation	Unknown — not stated by the source
Storage drive buffer sizeDiffers	16 MB	8 MB
HDD number of headsKnown for one	3	Unknown — not stated by the source
Read seek timeDiffers	3.4 ms	11 ms
Write seek timeDiffers	3.9 ms	12 ms
Track to track seek timeKnown for one	0.2 ms	Unknown — not stated by the source
Average latencyDiffers	2 ms	4.16 ms
Mean time between failures (MTBF)Known for one	1600000 h	Unknown — not stated by the source
Poweridentical
Operating voltageKnown for one	5 / 12 V	Unknown — not stated by the source
Operational conditions3 differ
Operating temperature (T-T)Differs	5 - 55 °C	0 - 60 °C
Storage temperature (T-T)Known for one	-40 - 70 °C	Unknown — not stated by the source
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 shockDiffers	60 G	65 G
Non-operating shockDiffers	250 G	350 G
Weight & dimensions3 differ
DepthDiffers	146.1 mm	147 mm
HeightDiffers	25.4 mm	20.2 mm
WeightDiffers	0.674 g	390 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
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

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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