Product comparison · 2 internal hard drives

Seagate 2.5" 160 GB ATA vs Seagate ST3160318AS - Barracuda

7specifications compared
5differ
2identical
16known for one product only

Key differences

HDD speed
- 2.5" 160 GB ATA:5400 RPM
- ST3160318AS - Barracuda:7200 RPM
HDD size
- 2.5" 160 GB ATA:2.5"
- ST3160318AS - Barracuda:3.5"
Interface
- 2.5" 160 GB ATA:Ultra-ATA/100
- ST3160318AS - Barracuda:Serial ATA
Storage drive buffer size
- 2.5" 160 GB ATA:16 MB
- ST3160318AS - Barracuda:8 MB
Operating voltage
- 2.5" 160 GB ATA:5 V
- ST3160318AS - Barracuda:5 / 12 V

Side by side

Differences highlightedShow differences only

Comparison of 2.5" 160 GB ATA, ST3160318AS - Barracuda
23 specifications	A Seagate 2.5" 160 GB ATA View product	B Seagate ST3160318AS - Barracuda View product
Features4 differ
HDD capacity	160 GB	160 GB
HDD speedDiffers	5400 RPM	7200 RPM
HDD sizeDiffers	2.5"	3.5"
InterfaceDiffers	Ultra-ATA/100	Serial ATA
Storage drive buffer sizeDiffers	16 MB	8 MB
Read seek timeKnown for one	Unknown — not stated by the source	8.5 ms
Write seek timeKnown for one	Unknown — not stated by the source	9.5 ms
Average latencyKnown for one	Unknown — not stated by the source	4.17 ms
Bytes per sectorKnown for one	Unknown — not stated by the source	512
Start/stop cyclesKnown for one	Unknown — not stated by the source	50000
Component forKnown for one	Laptop	Unknown — not stated by the source
Power1 differ
Operating voltageDiffers	5 V	5 / 12 V
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	0 - 60 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-40 - 70 °C
Operating shockKnown for one	Unknown — not stated by the source	70 G
Non-operating shockKnown for one	Unknown — not stated by the source	350 G
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	101.6 mm
DepthKnown for one	Unknown — not stated by the source	147 mm
HeightKnown for one	Unknown — not stated by the source	20 mm
WeightKnown for one	Unknown — not stated by the source	540 g
Other featuresidentical
Special featuresKnown for one	Unknown — not stated by the source	NCQ, Adaptive Fly Height, Clean Sweep, Enhanced G-Force Protection, Seagate SoftSonic, PMR
Drive device, transfer rateKnown for one	Unknown — not stated by the source	300 MB/s
Internal	Yes	Yes

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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