Product comparison · 2 internal hard drives

Seagate Constellation.2 1TB vs Seagate SV35 Series

10specifications compared
5differ
5identical
25known for one product only

Key differences

HDD capacity
- Constellation.2 1TB:1 TB
- SV35 Series:2 TB
Read seek time
- Constellation.2 1TB:7.5 ms
- SV35 Series:8.5 ms
Write seek time
- Constellation.2 1TB:8.5 ms
- SV35 Series:9.5 ms
Weight
- Constellation.2 1TB:200 g
- SV35 Series:400 g
Track density
- Constellation.2 1TB:270 Ktracks/inch
- SV35 Series:625Gb/in2

Side by side

Differences highlightedShow differences only

Comparison of Constellation.2 1TB, SV35 Series
35 specifications	A Seagate Constellation.2 1TB View product	B Seagate SV35 Series View product
Features3 differ
HDD capacityDiffers	1 TB	2 TB
HDD speed	7200 RPM	7200 RPM
HDD sizeKnown for one	2.5"	Unknown — not stated by the source
Interface	Serial ATA III	Serial ATA III
Storage drive buffer size	64 MB	64 MB
HDD number of cylindersKnown for one	16383	Unknown — not stated by the source
Read seek timeDiffers	7.5 ms	8.5 ms
Write seek timeDiffers	8.5 ms	9.5 ms
Track to track seek timeKnown for one	0.44 ms	Unknown — not stated by the source
Average latencyKnown for one	4.16 ms	Unknown — not stated by the source
Bytes per sectorKnown for one	512	Unknown — not stated by the source
Component forKnown for one	Unknown — not stated by the source	Surveillance system
Poweridentical
Operating voltageKnown for one	5 V	Unknown — not stated by the source
Start-up currentKnown for one	2 A	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	5 - 60 °C	Unknown — not stated by the source
Storage temperature (T-T)Known for one	-40 - 70 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	5 - 95%	Unknown — not stated by the source
Storage relative humidity (H-H)Known for one	5 - 95%	Unknown — not stated by the source
Operating vibrationKnown for one	0.5 G	Unknown — not stated by the source
Non-operating vibrationKnown for one	3 G	Unknown — not stated by the source
Operating altitudeKnown for one	-60.96 - 3048 m	Unknown — not stated by the source
Non-operating altitudeKnown for one	-60.96 - 12195 m	Unknown — not stated by the source
Operating shockKnown for one	70 G	Unknown — not stated by the source
Non-operating shockKnown for one	400 G	Unknown — not stated by the source
Weight & dimensions1 differ
WeightDiffers	200 g	400 g
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
Other features1 differ
Product colour	Black	Black
Data transfer rate	6 Gbit/s	6 Gbit/s
Drive ready timeKnown for one	20 s	Unknown — not stated by the source
InternalKnown for one	Yes	Unknown — not stated by the source
Recording densityKnown for one	1544 kbit/inch	Unknown — not stated by the source
Track densityDiffers	270 Ktracks/inch	625Gb/in2
Sustained data rateKnown for one	Unknown — not stated by the source	268.4 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.

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