Product comparison · 2 internal hard drives

Seagate 160GB 3.5" SATA II vs Seagate 500GB 3.5" SATA II

27specifications compared
6differ
21identical
5known for one product only

Key differences

The Seagate 500GB 3.5" SATA II has 340 GB more HDD capacity than the Seagate 160GB 3.5" SATA II (500 GB vs 160 GB). The Seagate 500GB 3.5" SATA II has 8 MB more storage drive buffer size than the Seagate 160GB 3.5" SATA II (16 MB vs 8 MB). The Seagate 500GB 3.5" SATA II has 0.2 ms more read seek time than the Seagate 160GB 3.5" SATA II (8.2 ms vs 8 ms).

HDD capacity
- 160GB 3.5" SATA II:160 GB
- 500GB 3.5" SATA II:500 GB
Storage drive buffer size
- 160GB 3.5" SATA II:8 MB
- 500GB 3.5" SATA II:16 MB
Read seek time
- 160GB 3.5" SATA II:8 ms
- 500GB 3.5" SATA II:8.2 ms
Depth
- 160GB 3.5" SATA II:146.9 mm
- 500GB 3.5" SATA II:147 mm
Height
- 160GB 3.5" SATA II:26 mm
- 500GB 3.5" SATA II:26.1 mm
Weight
- 160GB 3.5" SATA II:580 g
- 500GB 3.5" SATA II:710 g

Side by side

Differences highlightedShow differences only

Comparison of 160GB 3.5" SATA II, 500GB 3.5" SATA II
32 specifications	A Seagate 160GB 3.5" SATA II View product	B Seagate 500GB 3.5" SATA II View product
Features3 differ
HDD capacityDiffers	160 GB	500 GB
HDD speed	7200 RPM	7200 RPM
HDD size	3.5"	3.5"
Interface	Serial ATA II	Serial ATA II
Type	HDD	HDD
Storage drive buffer sizeDiffers	8 MB	16 MB
HDD number of cylinders	16383	16383
HDD number of heads	16	16
Read seek timeDiffers	8 ms	8.2 ms
Write seek time	9 ms	9 ms
Average latency	4.16 ms	4.16 ms
Bytes per sector	512	512
Start/stop cycles	50000	50000
Component forKnown for one	Unknown — not stated by the source	PC
Poweridentical
Operating voltage	5 / 12 V	5 / 12 V
Start-up current	2.6 A	2.6 A
Operational conditionsidentical
Operating temperature (T-T)	0 - 60 °C	0 - 60 °C
Storage temperature (T-T)	-40 - 70 °C	-40 - 70 °C
Operating relative humidity (H-H)	5 - 90%	5 - 90%
Storage relative humidity (H-H)	5 - 95%	5 - 95%
Operating altitude	-60.96 - 3048 m	-60.96 - 3048 m
Non-operating altitude	-60.96 - 12192 m	-60.96 - 12192 m
Operating shock	63 G	63 G
Non-operating shock	350 G	350 G
Weight & dimensions3 differ
Width	101.6 mm	101.6 mm
DepthDiffers	146.9 mm	147 mm
HeightDiffers	26 mm	26.1 mm
WeightDiffers	580 g	710 g
Other featuresidentical
Drive devices burst data transfer rate (DMA)Known for one	2	Unknown — not stated by the source
Drive devices burst data transfer rate (PIO)Known for one	4	Unknown — not stated by the source
Drive devices burst data transfer rate (Ultra DMA)Known for one	5	Unknown — not stated by the source
Compatible productsKnown for one	Unknown — not stated by the source	PCs

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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