Product comparison · 2 internal hard drives

Seagate 300GB 3.5 vs Seagate 73.4GB 2.5

22specifications compared
13differ
9identical
10known for one product only

Key differences

The Seagate 300GB 3.5 has 227 GB more HDD capacity than the Seagate 73.4GB 2.5 (300 GB vs 73 GB). The Seagate 300GB 3.5 has 1" more HDD size than the Seagate 73.4GB 2.5 (3.5" vs 2.5"). The Seagate 300GB 3.5 has 0.5 ms more read seek time than the Seagate 73.4GB 2.5 (3.4 ms vs 2.9 ms). Interface: SAS on the Seagate 300GB 3.5, SCSI on the Seagate 73.4GB 2.5. Operating voltage: 5 / 12 V on the Seagate 300GB 3.5, 5 V on the Seagate 73.4GB 2.5.

HDD capacity
- 300GB 3.5:300 GB
- 73.4GB 2.5:73 GB
HDD size
- 300GB 3.5:3.5"
- 73.4GB 2.5:2.5"
Interface
- 300GB 3.5:SAS
- 73.4GB 2.5:SCSI
Read seek time
- 300GB 3.5:3.4 ms
- 73.4GB 2.5:2.9 ms
Write seek time
- 300GB 3.5:3.9 ms
- 73.4GB 2.5:3.3 ms
Operating voltage
- 300GB 3.5:5 / 12 V
- 73.4GB 2.5:5 V
Operating temperature (T-T)
- 300GB 3.5:5 - 55 °C
- 73.4GB 2.5:0 - 60 °C
Operating vibration
- 300GB 3.5:1 G
- 73.4GB 2.5:0.5 G

Side by side

Differences highlightedShow differences only

Comparison of 300GB 3.5, 73.4GB 2.5
32 specifications	A Seagate 300GB 3.5 View product	B Seagate 73.4GB 2.5 View product
Features5 differ
HDD capacityDiffers	300 GB	73 GB
HDD speed	15000 RPM	15000 RPM
HDD sizeDiffers	3.5"	2.5"
InterfaceDiffers	SAS	SCSI
Type	HDD	HDD
Component for	Server/workstation	Server/workstation
Storage drive buffer size	16 MB	16 MB
HDD number of heads	4	4
Read seek timeDiffers	3.4 ms	2.9 ms
Write seek timeDiffers	3.9 ms	3.3 ms
Average latency	2 ms	2 ms
Mean time between failures (MTBF)Known for one	1600000 h	Unknown — not stated by the source
Power1 differ
Operating voltageDiffers	5 / 12 V	5 V
Power consumption (typical)Known for one	12.92 W	Unknown — not stated by the source
Power consumption (idle)Known for one	8.74 W	Unknown — not stated by the source
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 vibrationDiffers	1 G	0.5 G
Non-operating vibrationDiffers	3 G	1.2 G
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 shock	60 G	60 G
Non-operating shock	300 G	300 G
Weight & dimensions4 differ
WidthDiffers	101.6 mm	70.1 mm
DepthDiffers	146.5 mm	100.2 mm
HeightDiffers	25.4 mm	14.8 mm
WeightDiffers	671 g	210 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
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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