Seagate 320GB 7200rpm HDD vs Seagate Barracuda 7200.11 1.5TB

Comparison of 320GB 7200rpm HDD, Barracuda 7200.11 1.5TB

18 specifications	A Seagate 320GB 7200rpm HDDView product	B Seagate Barracuda 7200.11 1.5TBView product
Features1 differ
HDD capacityDiffers	320 GB	1.53 TB
HDD speed	7200 RPM	7200 RPM
Interface	Serial ATA	Serial ATA
Storage drive buffer sizeKnown for one	—Unknown — not stated by the source	32 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	10 ms
Average latencyKnown for one	—Unknown — not stated by the source	4.16 ms
HDD sizeKnown for one	2.5"	—Unknown — not stated by the source
Component forKnown for one	Laptop	—Unknown — not stated by the source
Weight & dimensions1 differ
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	26.1 mm
WeightDiffers	220 g	720 g
Other featuresidentical
Internal	Yes	Yes
Compatible operating systemsKnown for one	Microsoft Windows Vista, XP, 2000 Pro Linux	—Unknown — not stated by the source
Data transfer rateKnown for one	3 Gbit/s	—Unknown — not stated by the source
Mac compatibilityKnown for one	Yes	—Unknown — not stated by the source
Poweridentical
Operating voltageKnown for one	5 V	—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.