Product comparison · 2 internal hard drives

Seagate 146.8GB 3.5" SAS vs Seagate 73.4GB 3.5" SCSI

22specifications compared
3differ
19identical
7known for one product only

Key differences

The Seagate 146.8GB 3.5" SAS has 73.4 GB more HDD capacity than the Seagate 73.4GB 3.5" SCSI (146.8 GB vs 73.4 GB). The Seagate 146.8GB 3.5" SAS has 2 dB more acoustic pressure emissions than the Seagate 73.4GB 3.5" SCSI (32 dB vs 30 dB). Interface: SAS on the Seagate 146.8GB 3.5" SAS, Ultra320 SCSI on the Seagate 73.4GB 3.5" SCSI.

HDD capacity
- 146.8GB 3.5" SAS:146.8 GB
- 73.4GB 3.5" SCSI:73.4 GB
Interface
- 146.8GB 3.5" SAS:SAS
- 73.4GB 3.5" SCSI:Ultra320 SCSI
Acoustic pressure emissions
- 146.8GB 3.5" SAS:32 dB
- 73.4GB 3.5" SCSI:30 dB

Side by side

Differences highlightedShow differences only

Comparison of 146.8GB 3.5" SAS, 73.4GB 3.5" SCSI
29 specifications	A Seagate 146.8GB 3.5" SAS View product	B Seagate 73.4GB 3.5" SCSI View product
Features2 differ
HDD capacityDiffers	146.8 GB	73.4 GB
HDD speed	15000 RPM	15000 RPM
HDD size	3.5"	3.5"
InterfaceDiffers	SAS	Ultra320 SCSI
Type	HDD	HDD
Component for	Server/workstation	Server/workstation
Storage drive buffer size	16 MB	16 MB
HDD number of headsKnown for one	Unknown — not stated by the source	2
Read seek timeKnown for one	Unknown — not stated by the source	3.5 ms
Write seek timeKnown for one	Unknown — not stated by the source	4 ms
Average latency	2 ms	2 ms
Poweridentical
Power consumption (typical)Known for one	Unknown — not stated by the source	13.6 W
Operating voltage	5 / 12 V	5 / 12 V
Operational conditionsidentical
Operating temperature (T-T)	0 - 60 °C	0 - 60 °C
Storage temperature (T-T)	-40 - 70 °C	-40 - 70 °C
Operating relative humidity (H-H)	5 - 90%	5 - 90%
Storage relative humidity (H-H)	5 - 95%	5 - 95%
Operating altitude	-60.96 - 3048 m	-60.96 - 3048 m
Non-operating altitude	-60.96 - 12192 m	-60.96 - 12192 m
Operating shockKnown for one	Unknown — not stated by the source	60 G
Non-operating shockKnown for one	Unknown — not stated by the source	250 G
Weight & dimensionsidentical
Width	101.6 mm	101.6 mm
Depth	46 mm	46 mm
Height	25.4 mm	25.4 mm
Weight	771 g	771 g
Other features1 differ
Mac compatibilityKnown for one	Unknown — not stated by the source	No
Windows operating systems supported	Yes	Yes
Linux operating systems supported	Yes	Yes
Acoustic pressure emissionsDiffers	32 dB	30 dB

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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