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Product comparison · 2 internal hard drives

Seagate EE25 Series™ Ultra ATA/100 20-GB HD 25pk vs Seagate SV35.3 1 TB SATA 3Gb/s 20pk

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  • 13specifications compared
  • 12differ
  • 1identical
  • 5known for one product only

Key differences

The Seagate SV35.3 1 TB SATA 3Gb/s 20pk has 1,800 RPM more HDD speed than the Seagate EE25 Series™ Ultra ATA/100 20-GB HD 25pk (7200 RPM vs 5400 RPM). The Seagate SV35.3 1 TB SATA 3Gb/s 20pk has 1" more HDD size than the Seagate EE25 Series™ Ultra ATA/100 20-GB HD 25pk (3.5" vs 2.5"). The Seagate SV35.3 1 TB SATA 3Gb/s 20pk has 24 MB more storage drive buffer size than the Seagate EE25 Series™ Ultra ATA/100 20-GB HD 25pk (32 MB vs 8 MB). HDD capacity: 20 GB on the Seagate EE25 Series™ Ultra ATA/100 20-GB HD 25pk, 1 TB on the Seagate SV35.3 1 TB SATA 3Gb/s 20pk. Interface: Ultra-ATA/100 on the Seagate EE25 Series™ Ultra ATA/100 20-GB HD 25pk, Serial ATA on the Seagate SV35.3 1 TB SATA 3Gb/s 20pk.

  • HDD capacity
    • 20 GB
    • 1 TB
  • HDD speed
    • 5400 RPM
    • 7200 RPM
  • HDD size
    • 2.5"
    • 3.5"
  • Interface
    • Ultra-ATA/100
    • Serial ATA
  • Storage drive buffer size
    • 8 MB
    • 32 MB
  • Read seek time
    • 12.5 ms
    • 14 ms
  • Write seek time
    • 14.5 ms
    • 15 ms
  • Operating voltage
    • 5 V
    • 5 / 12 V

Side by side

Differences highlightedShow differences only
18 specifications
A

Seagate

EE25 Series™ Ultra ATA/100 20-GB HD 25pkView product
B

Seagate

SV35.3 1 TB SATA 3Gb/s 20pkView product
Features7 differ
HDD capacityDiffers20 GB1 TB
HDD speedDiffers5400 RPM7200 RPM
HDD sizeDiffers2.5"3.5"
InterfaceDiffersUltra-ATA/100Serial ATA
Component forKnown for oneSurveillance system
Storage drive buffer sizeDiffers8 MB32 MB
Read seek timeDiffers12.5 ms14 ms
Write seek timeDiffers14.5 ms15 ms
Bytes per sectorKnown for one512
Power1 differ
Operating voltageDiffers5 V5 / 12 V
Weight & dimensions4 differ
WidthDiffers69.8 mm101.6 mm
DepthDiffers100.2 mm147 mm
HeightDiffers9.5 mm26.1 mm
WeightDiffers100 g665 g
Other featuresidentical
Data transfer rateKnown for one3 Gbit/s
InternalYesYes
Power requirementsKnown for one5V ± 5%
Drive device, transfer rateKnown for one100 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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