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Product comparison · 2 internal hard drives

Samsung 400GB HDD vs Seagate 400GB 3.5" Ultra ATA/100

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  • 22specifications compared
  • 7differ
  • 15identical
  • 15known for one product only

Key differences

The Seagate 400GB 3.5" Ultra ATA/100 has 8 MB more storage drive buffer size than the Samsung 400GB HDD (16 MB vs 8 MB). The Samsung 400GB HDD has 0.01 ms more average latency than the Seagate 400GB 3.5" Ultra ATA/100 (4.17 ms vs 4.16 ms). The Seagate 400GB 3.5" Ultra ATA/100 has 0.9 mm more depth than the Samsung 400GB HDD (147 mm vs 146.1 mm). Operating altitude: -304.8 - 3048 m on the Samsung 400GB HDD, -60.96 - 3048 m on the Seagate 400GB 3.5" Ultra ATA/100. Non-operating altitude: -304.8 - 12192 m on the Samsung 400GB HDD, -60.96 - 12192 m on the Seagate 400GB 3.5" Ultra ATA/100.

  • Storage drive buffer size
    • 8 MB
    • 16 MB
  • Average latency
    • 4.17 ms
    • 4.16 ms
  • Operating altitude
    • -304.8 - 3048 m
    • -60.96 - 3048 m
  • Non-operating altitude
    • -304.8 - 12192 m
    • -60.96 - 12192 m
  • Depth
    • 146.1 mm
    • 147 mm
  • Height
    • 25.4 mm
    • 26.1 mm
  • Weight
    • 653 g
    • 710 g

Side by side

Differences highlightedShow differences only
37 specifications
A

Samsung

400GB HDDView product
B

Seagate

400GB 3.5" Ultra ATA/100View product
Features2 differ
HDD capacity400 GB400 GB
HDD speed7200 RPM7200 RPM
HDD size3.5"3.5"
InterfaceUltra-ATA/100Ultra-ATA/100
TypeHDDHDD
Storage drive buffer sizeDiffers8 MB16 MB
Full stroke seek timeKnown for one18 ms
Track to track seek timeKnown for one0.8 ms
Average seek timeKnown for one8.9 ms
Average latencyDiffers4.17 ms4.16 ms
Bytes per sector512512
Start/stop cycles5000050000
Mean time between failures (MTBF)Known for one600000 h
HDD number of cylindersKnown for one16383
HDD number of headsKnown for one16
Read seek timeKnown for one11 ms
Write seek timeKnown for one12 ms
Poweridentical
Power consumption (typical)Known for one8.7 W
Power consumption (standby)Known for one0.6 W
Power consumption (PowerSave)Known for one0.6 W
Power consumption (idle)Known for one7.2 W
Operating voltage5 / 12 V5 / 12 V
Operational conditions2 differ
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 vibrationKnown for one1 G
Non-operating vibrationKnown for one2 G
Operating altitudeDiffers-304.8 - 3048 m-60.96 - 3048 m
Non-operating altitudeDiffers-304.8 - 12192 m-60.96 - 12192 m
Operating shock63 G63 G
Non-operating shock300 G300 G
Weight & dimensions3 differ
Width101.6 mm101.6 mm
DepthDiffers146.1 mm147 mm
HeightDiffers25.4 mm26.1 mm
WeightDiffers653 g710 g
Other featuresidentical
Drive ready timeKnown for one10 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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