Product comparison · 2 internal hard drives

Seagate 146GB 2.5" SAS vs Seagate Barracuda 7200.11 SATA 3-Gb/s 1.5-TB Hard Drive

11specifications compared
11differ
0identical
16known for one product only

Key differences

The Seagate 146GB 2.5" SAS has 2,800 RPM more HDD speed than the Seagate Barracuda 7200.11 SATA 3-Gb/s 1.5-TB Hard Drive (10000 RPM vs 7200 RPM). The Seagate Barracuda 7200.11 SATA 3-Gb/s 1.5-TB Hard Drive has 16 MB more storage drive buffer size than the Seagate 146GB 2.5" SAS (32 MB vs 16 MB). The Seagate Barracuda 7200.11 SATA 3-Gb/s 1.5-TB Hard Drive has 4.9 ms more read seek time than the Seagate 146GB 2.5" SAS (8.5 ms vs 3.6 ms). HDD capacity: 146 GB on the Seagate 146GB 2.5" SAS, 1.5 TB on the Seagate Barracuda 7200.11 SATA 3-Gb/s 1.5-TB Hard Drive. Interface: SAS on the Seagate 146GB 2.5" SAS, Serial ATA on the Seagate Barracuda 7200.11 SATA 3-Gb/s 1.5-TB Hard Drive.

HDD capacity
- 146GB 2.5" SAS:146 GB
- Barracuda 7200.11 SATA 3-Gb/s 1.5-TB Hard Drive:1.5 TB
HDD speed
- 146GB 2.5" SAS:10000 RPM
- Barracuda 7200.11 SATA 3-Gb/s 1.5-TB Hard Drive:7200 RPM
Interface
- 146GB 2.5" SAS:SAS
- Barracuda 7200.11 SATA 3-Gb/s 1.5-TB Hard Drive:Serial ATA
Storage drive buffer size
- 146GB 2.5" SAS:16 MB
- Barracuda 7200.11 SATA 3-Gb/s 1.5-TB Hard Drive:32 MB
Read seek time
- 146GB 2.5" SAS:3.6 ms
- Barracuda 7200.11 SATA 3-Gb/s 1.5-TB Hard Drive:8.5 ms
Write seek time
- 146GB 2.5" SAS:4.2 ms
- Barracuda 7200.11 SATA 3-Gb/s 1.5-TB Hard Drive:10 ms
Average latency
- 146GB 2.5" SAS:3 ms
- Barracuda 7200.11 SATA 3-Gb/s 1.5-TB Hard Drive:4.16 ms
Width
- 146GB 2.5" SAS:70 mm
- Barracuda 7200.11 SATA 3-Gb/s 1.5-TB Hard Drive:101.6 mm

Side by side

Differences highlightedShow differences only

Comparison of 146GB 2.5" SAS, Barracuda 7200.11 SATA 3-Gb/s 1.5-TB Hard Drive
27 specifications	A Seagate 146GB 2.5" SAS View product	B Seagate Barracuda 7200.11 SATA 3-Gb/s 1.5-TB Hard Drive View product
Features7 differ
HDD capacityDiffers	146 GB	1.5 TB
HDD speedDiffers	10000 RPM	7200 RPM
HDD sizeKnown for one	2.5"	Unknown — not stated by the source
InterfaceDiffers	SAS	Serial ATA
TypeKnown for one	HDD	Unknown — not stated by the source
Component forKnown for one	Server/workstation	Unknown — not stated by the source
Storage drive buffer sizeDiffers	16 MB	32 MB
HDD number of headsKnown for one	2	Unknown — not stated by the source
Read seek timeDiffers	3.6 ms	8.5 ms
Write seek timeDiffers	4.2 ms	10 ms
Average latencyDiffers	3 ms	4.16 ms
Bytes per sectorKnown for one	512	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 (idle)Known for one	3.2 W	Unknown — not stated by the source
Operating voltageKnown for one	5 V	Unknown — not stated by the source
Start-up currentKnown for one	2.00 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	0.5 G	Unknown — not stated by the source
Non-operating vibrationKnown for one	2.4 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 & dimensions4 differ
WidthDiffers	70 mm	101.6 mm
DepthDiffers	100.5 mm	147 mm
HeightDiffers	14.8 mm	26.1 mm
WeightDiffers	227 g	720 g
Other featuresidentical
InternalKnown for one	Unknown — not stated by the source	Yes

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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