Product comparison · 2 internal hard drives

Seagate SATA 1.5TB vs Seagate ST3160318AS - Barracuda

Key differences

Differences highlightedShow differences only

Comparison of SATA 1.5TB, ST3160318AS - Barracuda
27 specifications	A Seagate SATA 1.5TB View product	B Seagate ST3160318AS - Barracuda View product
Features6 differ
HDD capacityDiffers	1.5 TB	160 GB
HDD speedDiffers	5900 RPM	7200 RPM
TypeKnown for one	HDD	Unknown — not stated by the source
Storage drive buffer sizeDiffers	32 MB	8 MB
Read seek timeDiffers	16 ms	8.5 ms
Write seek timeDiffers	16 ms	9.5 ms
Average latencyDiffers	5.1 ms	4.17 ms
Poweridentical
Power consumption (idle)Known for one	5.5 W	Unknown — not stated by the source
Start-up currentKnown for one	2 A	Unknown — not stated by the source
Operational conditions1 differ
Non-operating shockDiffers	300 G	350 G
Weight & dimensions3 differ
WidthDiffers	101.8 mm	101.6 mm
HeightDiffers	26.1 mm	20 mm
WeightDiffers	660 g	540 g
Other featuresidentical
Dimensions (WxDxH)Known for one	101.85 x 146.99 x 26.1 mm	Unknown — not stated by the source
Data transfer rateKnown for one	3 Gbit/s	Unknown — not stated by the source
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

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.