Product comparison · 2 internal hard drives

Seagate 7200.9 320 GB vs Seagate Desktop HDD ST3160316AS-25PK internal hard drive

Key differences

HDD capacity
- 7200.9 320 GB:320 GB
- Desktop HDD ST3160316AS-25PK internal hard drive:160 GB
HDD size
- 7200.9 320 GB:2.5"
- Desktop HDD ST3160316AS-25PK internal hard drive:3.5"
Storage drive buffer size
- 7200.9 320 GB:16 MB
- Desktop HDD ST3160316AS-25PK internal hard drive:8 MB
Operating voltage
- 7200.9 320 GB:5 V
- Desktop HDD ST3160316AS-25PK internal hard drive:5 / 12 V
Height
- 7200.9 320 GB:26.1 mm
- Desktop HDD ST3160316AS-25PK internal hard drive:20.2 mm
Weight
- 7200.9 320 GB:655 g
- Desktop HDD ST3160316AS-25PK internal hard drive:540 g

Differences highlightedShow differences only

Comparison of 7200.9 320 GB, ST3160316AS-25PK
22 specifications	A Seagate 7200.9 320 GB View product	B Seagate Desktop HDD ST3160316AS-25PK internal hard drive Model ST3160316AS-25PK View product
Features3 differ
HDD capacityDiffers	320 GB	160 GB
HDD speed	7200 RPM	7200 RPM
HDD sizeDiffers	2.5"	3.5"
Interface	Serial ATA	Serial ATA
Storage drive buffer sizeDiffers	16 MB	8 MB
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
Read seek timeKnown for one	8 ms	Unknown — not stated by the source
Write seek timeKnown for one	9 ms	Unknown — not stated by the source
Power1 differ
Power consumption (idle)Known for one	Unknown — not stated by the source	5 W
Operating voltageDiffers	5 V	5 / 12 V
Start-up currentKnown for one	Unknown — not stated by the source	2 A
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 & dimensions2 differ
Width	101.6 mm	101.6 mm
Depth	147 mm	147 mm
HeightDiffers	26.1 mm	20.2 mm
WeightDiffers	655 g	540 g
Other featuresidentical
Data transfer rateKnown for one	Unknown — not stated by the source	6 Gbit/s
Drive device speedKnown for one	7200 RPM	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.