Product comparison · 2 internal hard drives

Seagate 160GB 2.5" SATA vs Seagate 73.4GB 2.5" SAS

22specifications compared
11differ
11identical
10known for one product only

Key differences

The Seagate 160GB 2.5" SATA has 86.6 GB more HDD capacity than the Seagate 73.4GB 2.5" SAS (160 GB vs 73.4 GB). The Seagate 73.4GB 2.5" SAS has 4,600 RPM more HDD speed than the Seagate 160GB 2.5" SATA (10000 RPM vs 5400 RPM). The Seagate 73.4GB 2.5" SAS has 8 MB more storage drive buffer size than the Seagate 160GB 2.5" SATA (16 MB vs 8 MB). Interface: Serial ATA on the Seagate 160GB 2.5" SATA, SAS on the Seagate 73.4GB 2.5" SAS. Component for: Laptop on the Seagate 160GB 2.5" SATA, Server/workstation on the Seagate 73.4GB 2.5" SAS.

HDD capacity
- 160GB 2.5" SATA:160 GB
- 73.4GB 2.5" SAS:73.4 GB
HDD speed
- 160GB 2.5" SATA:5400 RPM
- 73.4GB 2.5" SAS:10000 RPM
Interface
- 160GB 2.5" SATA:Serial ATA
- 73.4GB 2.5" SAS:SAS
Component for
- 160GB 2.5" SATA:Laptop
- 73.4GB 2.5" SAS:Server/workstation
Storage drive buffer size
- 160GB 2.5" SATA:8 MB
- 73.4GB 2.5" SAS:16 MB
HDD number of heads
- 160GB 2.5" SATA:4
- 73.4GB 2.5" SAS:2
Average latency
- 160GB 2.5" SATA:5.6 ms
- 73.4GB 2.5" SAS:3 ms
Width
- 160GB 2.5" SATA:69.8 mm
- 73.4GB 2.5" SAS:100.5 mm

Side by side

Differences highlightedShow differences only

Comparison of 160GB 2.5" SATA, 73.4GB 2.5" SAS
32 specifications	A Seagate 160GB 2.5" SATA View product	B Seagate 73.4GB 2.5" SAS View product
Features7 differ
HDD capacityDiffers	160 GB	73.4 GB
HDD speedDiffers	5400 RPM	10000 RPM
InterfaceDiffers	Serial ATA	SAS
Component forDiffers	Laptop	Server/workstation
Storage drive buffer sizeDiffers	8 MB	16 MB
HDD number of headsDiffers	4	2
Read seek timeKnown for one	12.5 ms	Unknown — not stated by the source
Write seek timeKnown for one	13 ms	Unknown — not stated by the source
Average latencyDiffers	5.6 ms	3 ms
Mean time between failures (MTBF)Known for one	Unknown — not stated by the source	1600000 h
Poweridentical
Power consumption (standby)Known for one	0.2 W	Unknown — not stated by the source
Power consumption (idle)Known for one	0.6 W	Unknown — not stated by the source
Power consumption (read)Known for one	1.9 W	Unknown — not stated by the source
Power consumption (write)Known for one	1.8 W	Unknown — not stated by the source
Start-up currentKnown for one	1 A	Unknown — not stated by the source
Operational conditionsidentical
Operating shockKnown for one	350 G	Unknown — not stated by the source
Non-operating shockKnown for one	900 G	Unknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers	69.8 mm	100.5 mm
DepthDiffers	100.5 mm	70 mm
HeightDiffers	9.5 mm	14.8 mm
WeightDiffers	100 g	227 g

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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