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
HDD size	3.5"	3.5"
Interface	Serial ATA	Serial ATA
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
Bytes per sector	512	512
Start/stop cycles	50000	50000
Poweridentical
Power consumption (idle)Known for one	5.5 W	Unknown — not stated by the source
Operating voltage	5 / 12 V	5 / 12 V
Start-up currentKnown for one	2 A	Unknown — not stated by the source
Operational conditions1 differ
Operating temperature (T-T)	0 - 60 °C	0 - 60 °C
Storage temperature (T-T)	-40 - 70 °C	-40 - 70 °C
Operating shock	70 G	70 G
Non-operating shockDiffers	300 G	350 G
Weight & dimensions3 differ
WidthDiffers	101.8 mm	101.6 mm
Depth	147 mm	147 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
Internal	Yes	Yes
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.