Product comparison · 2 internal hard drives

Seagate EE25 Series 30GB SATA 25pk vs Seagate SV35.3 1 TB SATA 3Gb/s 20pk

Key differences

HDD capacity
- EE25 Series 30GB SATA 25pk:30 GB
- SV35.3 1 TB SATA 3Gb/s 20pk:1 TB
HDD speed
- EE25 Series 30GB SATA 25pk:5400 RPM
- SV35.3 1 TB SATA 3Gb/s 20pk:7200 RPM
HDD size
- EE25 Series 30GB SATA 25pk:2.5"
- SV35.3 1 TB SATA 3Gb/s 20pk:3.5"
Storage drive buffer size
- EE25 Series 30GB SATA 25pk:8 MB
- SV35.3 1 TB SATA 3Gb/s 20pk:32 MB
Read seek time
- EE25 Series 30GB SATA 25pk:12.5 ms
- SV35.3 1 TB SATA 3Gb/s 20pk:14 ms
Write seek time
- EE25 Series 30GB SATA 25pk:14.5 ms
- SV35.3 1 TB SATA 3Gb/s 20pk:15 ms
Operating voltage
- EE25 Series 30GB SATA 25pk:5 V
- SV35.3 1 TB SATA 3Gb/s 20pk:5 / 12 V
Width
- EE25 Series 30GB SATA 25pk:69.8 mm
- SV35.3 1 TB SATA 3Gb/s 20pk:101.6 mm

Differences highlightedShow differences only

Comparison of EE25 Series 30GB SATA 25pk, SV35.3 1 TB SATA 3Gb/s 20pk
20 specifications	A Seagate EE25 Series 30GB SATA 25pk View product	B Seagate SV35.3 1 TB SATA 3Gb/s 20pk View product
Features6 differ
HDD capacityDiffers	30 GB	1 TB
HDD speedDiffers	5400 RPM	7200 RPM
HDD sizeDiffers	2.5"	3.5"
Interface	Serial ATA	Serial ATA
Storage drive buffer sizeDiffers	8 MB	32 MB
Read seek timeDiffers	12.5 ms	14 ms
Write seek timeDiffers	14.5 ms	15 ms
Average latencyKnown for one	5.6 ms	Unknown — not stated by the source
Component forKnown for one	Unknown — not stated by the source	Surveillance system
Bytes per sectorKnown for one	Unknown — not stated by the source	512
Power1 differ
Operating voltageDiffers	5 V	5 / 12 V
Operational conditionsidentical
Operating shockKnown for one	200 G	Unknown — not stated by the source
Non-operating shockKnown for one	800 G	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	665 g
Other featuresidentical
Internal	Yes	Yes
Acoustic pressure emissionsKnown for one	2.3 dB	Unknown — not stated by the source
Data transfer rateKnown for one	Unknown — not stated by the source	3 Gbit/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.