Product comparison · 2 internal hard drives

Seagate 160GB 3.5 vs Seagate 73.4GB 2.5

21specifications compared
11differ
10identical
13known for one product only

Key differences

The Seagate 160GB 3.5 has 87 GB more HDD capacity than the Seagate 73.4GB 2.5 (160 GB vs 73 GB). The Seagate 73.4GB 2.5 has 7,800 RPM more HDD speed than the Seagate 160GB 3.5 (15000 RPM vs 7200 RPM). The Seagate 160GB 3.5 has 1" more HDD size than the Seagate 73.4GB 2.5 (3.5" vs 2.5"). Interface: Ultra-ATA/100 on the Seagate 160GB 3.5, SCSI on the Seagate 73.4GB 2.5. Operating voltage: 5 / 12 V on the Seagate 160GB 3.5, 5 V on the Seagate 73.4GB 2.5.

HDD capacity
- 160GB 3.5:160 GB
- 73.4GB 2.5:73 GB
HDD speed
- 160GB 3.5:7200 RPM
- 73.4GB 2.5:15000 RPM
HDD size
- 160GB 3.5:3.5"
- 73.4GB 2.5:2.5"
Interface
- 160GB 3.5:Ultra-ATA/100
- 73.4GB 2.5:SCSI
Storage drive buffer size
- 160GB 3.5:2 MB
- 73.4GB 2.5:16 MB
Operating voltage
- 160GB 3.5:5 / 12 V
- 73.4GB 2.5:5 V
Operating shock
- 160GB 3.5:63 G
- 73.4GB 2.5:60 G
Width
- 160GB 3.5:101.6 mm
- 73.4GB 2.5:70.1 mm

Side by side

Differences highlightedShow differences only

Comparison of 160GB 3.5, 73.4GB 2.5
34 specifications	A Seagate 160GB 3.5 View product	B Seagate 73.4GB 2.5 View product
Features5 differ
HDD capacityDiffers	160 GB	73 GB
HDD speedDiffers	7200 RPM	15000 RPM
HDD sizeDiffers	3.5"	2.5"
InterfaceDiffers	Ultra-ATA/100	SCSI
Component forKnown for one	Unknown — not stated by the source	Server/workstation
Storage drive buffer sizeDiffers	2 MB	16 MB
HDD number of headsKnown for one	Unknown — not stated by the source	4
Read seek timeKnown for one	Unknown — not stated by the source	2.9 ms
Write seek timeKnown for one	Unknown — not stated by the source	3.3 ms
Average latencyKnown for one	Unknown — not stated by the source	2 ms
Bytes per sectorKnown for one	512	Unknown — not stated by the source
Power1 differ
Operating voltageDiffers	5 / 12 V	5 V
Power consumption (standby)Known for one	0.8 W	Unknown — not stated by the source
Power consumption (idle)Known for one	8 W	Unknown — not stated by the source
Start-up currentKnown for one	2 A	Unknown — not stated by the source
Operational conditions1 differ
Operating vibrationKnown for one	Unknown — not stated by the source	0.5 G
Non-operating vibrationKnown for one	Unknown — not stated by the source	1.2 G
Operating shockDiffers	63 G	60 G
Weight & dimensions4 differ
WidthDiffers	101.6 mm	70.1 mm
DepthDiffers	147 mm	100.2 mm
HeightDiffers	26.1 mm	14.8 mm
WeightDiffers	580 g	210 g
Other featuresidentical
Sustained data rateKnown for one	1 MB/s	Unknown — not stated by the source
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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