Product comparison · 2 internal hard drives

Seagate ST930818SM 30GB vs Seagate SV35 Series 7200.2 160GB SATA II 20pk

18specifications compared
12differ
6identical
15known for one product only

Key differences

HDD capacity
- ST930818SM 30GB:30 GB
- SV35 Series 7200.2 160GB SATA II 20pk:160 GB
HDD speed
- ST930818SM 30GB:5400 RPM
- SV35 Series 7200.2 160GB SATA II 20pk:7200 RPM
HDD size
- ST930818SM 30GB:2.5"
- SV35 Series 7200.2 160GB SATA II 20pk:3.5"
Interface
- ST930818SM 30GB:Serial ATA
- SV35 Series 7200.2 160GB SATA II 20pk:Serial ATA II
Read seek time
- ST930818SM 30GB:13 ms
- SV35 Series 7200.2 160GB SATA II 20pk:17 ms
Operating voltage
- ST930818SM 30GB:5 V
- SV35 Series 7200.2 160GB SATA II 20pk:5 / 12 V
Operating temperature (T-T)
- ST930818SM 30GB:-20 - 75 °C
- SV35 Series 7200.2 160GB SATA II 20pk:0 - 60 °C
Width
- ST930818SM 30GB:69.8 mm
- SV35 Series 7200.2 160GB SATA II 20pk:101.6 mm

Side by side

Differences highlightedShow differences only

Comparison of ST930818SM 30GB, SV35 Series 7200.2 160GB SATA II 20pk
33 specifications	A Seagate ST930818SM 30GB View product	B Seagate SV35 Series 7200.2 160GB SATA II 20pk View product
Features5 differ
HDD capacityDiffers	30 GB	160 GB
HDD speedDiffers	5400 RPM	7200 RPM
HDD sizeDiffers	2.5"	3.5"
InterfaceDiffers	Serial ATA	Serial ATA II
Component forKnown for one	Unknown — not stated by the source	Surveillance system
Storage drive buffer size	8 MB	8 MB
Read seek timeDiffers	13 ms	17 ms
Write seek time	14 ms	14 ms
Track to track seek time	1 ms	1 ms
Bytes per sector	512	512
Start/stop cyclesKnown for one	Unknown — not stated by the source	50000
HDD number of cylindersKnown for one	16383	Unknown — not stated by the source
HDD number of headsKnown for one	1	Unknown — not stated by the source
Full stroke seek timeKnown for one	23 ms	Unknown — not stated by the source
Average latencyKnown for one	5.6 ms	Unknown — not stated by the source
Mean time between failures (MTBF)Known for one	1000000 h	Unknown — not stated by the source
Power1 differ
Operating voltageDiffers	5 V	5 / 12 V
Operational conditions1 differ
Operating temperature (T-T)Differs	-20 - 75 °C	0 - 60 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-40 - 70 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 90%
Storage relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 95%
Operating shockKnown for one	Unknown — not stated by the source	63 G
Non-operating shockKnown for one	Unknown — not stated by the source	300 G
Weight & dimensions4 differ
WidthDiffers	69.8 mm	101.6 mm
DepthDiffers	100.5 mm	147 mm
HeightDiffers	9.5 mm	20 mm
WeightDiffers	102 g	345 g
Other features1 differ
Power requirementsDiffers	5V ± 5%	+5V; +12V
Data transfer rate	3 Gbit/s	3 Gbit/s
Drive ready timeKnown for one	Unknown — not stated by the source	5 s
Internal	Yes	Yes
Recording densityKnown for one	840 kbit/inch	Unknown — not stated by the source
Track densityKnown for one	150k tracks/inch	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.

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