Product comparison · 2 internal hard drives

Seagate 146.3GB 3.5 vs Seagate 750GB 3.5

20specifications compared
15differ
5identical
15known for one product only

Key differences

HDD capacity
- 146.3GB 3.5:146.3 GB
- 750GB 3.5:750 GB
HDD speed
- 146.3GB 3.5:15000 RPM
- 750GB 3.5:7200 RPM
Interface
- 146.3GB 3.5:SAS
- 750GB 3.5:Serial ATA II
Storage drive buffer size
- 146.3GB 3.5:16 MB
- 750GB 3.5:32 MB
Read seek time
- 146.3GB 3.5:3.4 ms
- 750GB 3.5:8.5 ms
Write seek time
- 146.3GB 3.5:3.9 ms
- 750GB 3.5:9.5 ms
Average latency
- 146.3GB 3.5:2 ms
- 750GB 3.5:4.16 ms
Power consumption (typical)
- 146.3GB 3.5:14.4 W
- 750GB 3.5:11.6 W

Side by side

Differences highlightedShow differences only

Comparison of 146.3GB 3.5, 750GB 3.5
35 specifications	A Seagate 146.3GB 3.5 View product	B Seagate 750GB 3.5 View product
Features7 differ
HDD capacityDiffers	146.3 GB	750 GB
HDD speedDiffers	15000 RPM	7200 RPM
HDD size	3.5"	3.5"
InterfaceDiffers	SAS	Serial ATA II
Type	HDD	HDD
Storage drive buffer sizeDiffers	16 MB	32 MB
Read seek timeDiffers	3.4 ms	8.5 ms
Write seek timeDiffers	3.9 ms	9.5 ms
Track to track seek timeKnown for one	Unknown — not stated by the source	0.8 ms
Average latencyDiffers	2 ms	4.16 ms
Bytes per sectorKnown for one	Unknown — not stated by the source	512
Mean time between failures (MTBF)Known for one	Unknown — not stated by the source	1200000 h
Component forKnown for one	Server/workstation	Unknown — not stated by the source
HDD number of headsKnown for one	3	Unknown — not stated by the source
Power2 differ
Power consumption (typical)Differs	14.4 W	11.6 W
Power consumption (idle)Differs	9.6 W	8 W
Operating voltage	5 / 12 V	5 / 12 V
Operational conditions3 differ
Operating temperature (T-T)Differs	5 - 55 °C	0 - 60 °C
Storage temperature (T-T)	-40 - 70 °C	-40 - 70 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 90%
Storage relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 95%
Operating altitudeKnown for one	Unknown — not stated by the source	-60.96 - 3048 m
Non-operating altitudeKnown for one	Unknown — not stated by the source	-60.96 - 12192 m
Operating shockDiffers	60 G	63 G
Non-operating shockDiffers	250 G	300 G
Operating vibrationKnown for one	1 G	Unknown — not stated by the source
Non-operating vibrationKnown for one	2 G	Unknown — not stated by the source
Weight & dimensions3 differ
Width	101.6 mm	101.6 mm
DepthDiffers	146.1 mm	147 mm
HeightDiffers	25.4 mm	26.1 mm
WeightDiffers	674 g	633 g
Other featuresidentical
Windows operating systems supportedKnown for one	Unknown — not stated by the source	Yes
Linux operating systems supportedKnown for one	Unknown — not stated by the source	Yes
Sustained data rateKnown for one	Unknown — not stated by the source	105 MB/s
Logistics dataidentical
Harmonized System (HS) codeKnown for one	84717050	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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