Product comparison · 2 internal hard drives

Seagate EE25 Series 20GB SATA 25pk vs Seagate SV35 Series 250 GB SATA 3Gb/s 20pk

15specifications compared
13differ
2identical
12known for one product only

Key differences

The Seagate SV35 Series 250 GB SATA 3Gb/s 20pk has 230 GB more HDD capacity than the Seagate EE25 Series 20GB SATA 25pk (250 GB vs 20 GB). The Seagate SV35 Series 250 GB SATA 3Gb/s 20pk has 1,800 RPM more HDD speed than the Seagate EE25 Series 20GB SATA 25pk (7200 RPM vs 5400 RPM). The Seagate SV35 Series 250 GB SATA 3Gb/s 20pk has 1" more HDD size than the Seagate EE25 Series 20GB SATA 25pk (3.5" vs 2.5"). Interface: Serial ATA on the Seagate EE25 Series 20GB SATA 25pk, Serial ATA II on the Seagate SV35 Series 250 GB SATA 3Gb/s 20pk. Operating voltage: 5 V on the Seagate EE25 Series 20GB SATA 25pk, 5 / 12 V on the Seagate SV35 Series 250 GB SATA 3Gb/s 20pk.

HDD capacity
- EE25 Series 20GB SATA 25pk:20 GB
- SV35 Series 250 GB SATA 3Gb/s 20pk:250 GB
HDD speed
- EE25 Series 20GB SATA 25pk:5400 RPM
- SV35 Series 250 GB SATA 3Gb/s 20pk:7200 RPM
HDD size
- EE25 Series 20GB SATA 25pk:2.5"
- SV35 Series 250 GB SATA 3Gb/s 20pk:3.5"
Interface
- EE25 Series 20GB SATA 25pk:Serial ATA
- SV35 Series 250 GB SATA 3Gb/s 20pk:Serial ATA II
Read seek time
- EE25 Series 20GB SATA 25pk:12.5 ms
- SV35 Series 250 GB SATA 3Gb/s 20pk:17 ms
Write seek time
- EE25 Series 20GB SATA 25pk:14.5 ms
- SV35 Series 250 GB SATA 3Gb/s 20pk:14 ms
Operating voltage
- EE25 Series 20GB SATA 25pk:5 V
- SV35 Series 250 GB SATA 3Gb/s 20pk:5 / 12 V
Operating shock
- EE25 Series 20GB SATA 25pk:200 G
- SV35 Series 250 GB SATA 3Gb/s 20pk:63 G

Side by side

Differences highlightedShow differences only

Comparison of EE25 Series 20GB SATA 25pk, SV35 Series 250 GB SATA 3Gb/s 20pk
27 specifications	A Seagate EE25 Series 20GB SATA 25pk View product	B Seagate SV35 Series 250 GB SATA 3Gb/s 20pk View product
Features6 differ
HDD capacityDiffers	20 GB	250 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	12.5 ms	17 ms
Write seek timeDiffers	14.5 ms	14 ms
Track to track seek timeKnown for one	Unknown — not stated by the source	0.8 ms
Bytes per sectorKnown for one	Unknown — not stated by the source	512
Start/stop cyclesKnown for one	Unknown — not stated by the source	50000
Average latencyKnown for one	5.6 ms	Unknown — not stated by the source
Mean time between failures (MTBF)Known for one	550000 h	Unknown — not stated by the source
Power1 differ
Operating voltageDiffers	5 V	5 / 12 V
Operational conditions2 differ
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 shockDiffers	200 G	63 G
Non-operating shockDiffers	800 G	350 G
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
Weight & dimensions4 differ
WidthDiffers	69.8 mm	101.6 mm
DepthDiffers	100.2 mm	147 mm
HeightDiffers	9.5 mm	26.1 mm
WeightDiffers	100 g	635 g
Other featuresidentical
Data transfer rateKnown for one	Unknown — not stated by the source	3 Gbit/s
Internal	Yes	Yes
Acoustic pressure emissionsKnown for one	2.3 dB	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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