Product comparison · 2 internal hard drives

Seagate 200GB 2.5" SATA II vs Seagate 3.5" 320 GB Ultra ATA/100

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  • 11specifications compared
  • 9differ
  • 2identical
  • 21known for one product only

Key differences

  • HDD capacity
    • 200GB 2.5" SATA II:200 GB
    • 3.5" 320 GB Ultra ATA/100:320 GB
  • HDD size
    • 200GB 2.5" SATA II:2.5"
    • 3.5" 320 GB Ultra ATA/100:3.5"
  • Interface
    • 200GB 2.5" SATA II:Serial ATA II
    • 3.5" 320 GB Ultra ATA/100:Ultra-ATA/100
  • Average latency
    • 200GB 2.5" SATA II:4.17 ms
    • 3.5" 320 GB Ultra ATA/100:4.16 ms
  • Operating voltage
    • 200GB 2.5" SATA II:5 V
    • 3.5" 320 GB Ultra ATA/100:5 / 12 V
  • Width
    • 200GB 2.5" SATA II:69.8 mm
    • 3.5" 320 GB Ultra ATA/100:101.6 mm
  • Depth
    • 200GB 2.5" SATA II:100.5 mm
    • 3.5" 320 GB Ultra ATA/100:147 mm
  • Height
    • 200GB 2.5" SATA II:9.5 mm
    • 3.5" 320 GB Ultra ATA/100:26.1 mm

Side by side

Differences highlightedShow differences only (off)
Comparison of 200GB 2.5" SATA II, 3.5" 320 GB Ultra ATA/100
32 specifications
Features4 differ
HDD capacityDiffers200 GB320 GB
HDD speed7200 RPM7200 RPM
HDD sizeDiffers2.5"3.5"
InterfaceDiffersSerial ATA IIUltra-ATA/100
TypeKnown for oneHDDUnknown — not stated by the source
Component forKnown for oneLaptopUnknown — not stated by the source
Storage drive buffer size16 MB16 MB
HDD number of headsKnown for one4Unknown — not stated by the source
Average seek timeKnown for one11 msUnknown — not stated by the source
Average latencyDiffers4.17 ms4.16 ms
Mean time between failures (MTBF)Known for oneUnknown — not stated by the source700000 h
Power1 differ
Power consumption (standby)Known for one0.25 WUnknown — not stated by the source
Power consumption (idle)Known for one0.8 WUnknown — not stated by the source
Power consumption (read)Known for one2.1 WUnknown — not stated by the source
Power consumption (write)Known for one2.1 WUnknown — not stated by the source
Operating voltageDiffers5 V5 / 12 V
Operational conditionsidentical
Operating temperature (T-T)Known for one0 - 60 °CUnknown — not stated by the source
Storage temperature (T-T)Known for one-40 - 70 °CUnknown — not stated by the source
Operating relative humidity (H-H)Known for one5 - 90%Unknown — not stated by the source
Storage relative humidity (H-H)Known for one5 - 95%Unknown — not stated by the source
Operating altitudeKnown for one-60.96 - 3048 mUnknown — not stated by the source
Non-operating altitudeKnown for one-60.96 - 12192 mUnknown — not stated by the source
Operating shockKnown for one300 GUnknown — not stated by the source
Non-operating shockKnown for one900 GUnknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers69.8 mm101.6 mm
DepthDiffers100.5 mm147 mm
HeightDiffers9.5 mm26.1 mm
WeightDiffers115 g635 g
Other featuresidentical
Windows operating systems supportedKnown for oneYesUnknown — not stated by the source
Linux operating systems supportedKnown for oneYesUnknown — not stated by the source
Sustained data rateKnown for one69.5 MB/sUnknown — not stated by the source
InternalKnown for oneUnknown — not stated by the sourceYes

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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