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Product comparison · 2 internal hard drives

Seagate SV35 Series 7200.2 250GB Ultra-ATA/100 20pk vs Seagate SV35 Series 7200.2 320GB SATA II 20pk

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  • 26specifications compared
  • 3differ
  • 23identical
  • 0known for one product only

Key differences

The Seagate SV35 Series 7200.2 320GB SATA II 20pk has 70 GB more HDD capacity than the Seagate SV35 Series 7200.2 250GB Ultra-ATA/100 20pk (320 GB vs 250 GB). The Seagate SV35 Series 7200.2 320GB SATA II 20pk has 8 MB more storage drive buffer size than the Seagate SV35 Series 7200.2 250GB Ultra-ATA/100 20pk (16 MB vs 8 MB). Interface: Ultra-ATA/100 on the Seagate SV35 Series 7200.2 250GB Ultra-ATA/100 20pk, Serial ATA II on the Seagate SV35 Series 7200.2 320GB SATA II 20pk.

  • HDD capacity
    • 250 GB
    • 320 GB
  • Interface
    • Ultra-ATA/100
    • Serial ATA II
  • Storage drive buffer size
    • 8 MB
    • 16 MB

Side by side

Differences highlightedShow differences only
26 specifications
A

Seagate

SV35 Series 7200.2 250GB Ultra-ATA/100 20pkView product
B

Seagate

SV35 Series 7200.2 320GB SATA II 20pkView product
Features3 differ
HDD capacityDiffers250 GB320 GB
HDD speed7200 RPM7200 RPM
HDD size3.5"3.5"
InterfaceDiffersUltra-ATA/100Serial ATA II
Component forSurveillance systemSurveillance system
Storage drive buffer sizeDiffers8 MB16 MB
Read seek time17 ms17 ms
Write seek time14 ms14 ms
Track to track seek time1 ms1 ms
Bytes per sector512512
Start/stop cycles5000050000
Poweridentical
Operating voltage5 / 12 V5 / 12 V
Operational conditionsidentical
Operating temperature (T-T)0 - 60 °C0 - 60 °C
Storage temperature (T-T)-40 - 70 °C-40 - 70 °C
Operating relative humidity (H-H)5 - 90%5 - 90%
Storage relative humidity (H-H)5 - 95%5 - 95%
Operating shock63 G63 G
Non-operating shock300 G300 G
Weight & dimensionsidentical
Width101.6 mm101.6 mm
Depth147 mm147 mm
Height26.1 mm26.1 mm
Weight600 g600 g
Other featuresidentical
Power requirements+5V; +12V+5V; +12V
Data transfer rate3 Gbit/s3 Gbit/s
Drive ready time7 s7 s
InternalYesYes

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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