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Product comparison · 2 internal hard drives

HP 146GB SAS vs Seagate 300GB 3.5" Ultra ATA/100

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  • 4specifications compared
  • 3differ
  • 1identical
  • 28known for one product only

Key differences

The Seagate 300GB 3.5" Ultra ATA/100 has 154 GB more HDD capacity than the HP 146GB SAS (300 GB vs 146 GB). The HP 146GB SAS has 7,800 RPM more HDD speed than the Seagate 300GB 3.5" Ultra ATA/100 (15000 RPM vs 7200 RPM). Interface: SAS on the HP 146GB SAS, Ultra-ATA/100 on the Seagate 300GB 3.5" Ultra ATA/100.

  • HDD capacity
    • 146 GB
    • 300 GB
  • HDD speed
    • 15000 RPM
    • 7200 RPM
  • Interface
    • SAS
    • Ultra-ATA/100

Side by side

Differences highlightedShow differences only
32 specifications
A

HP

146GB SASView product
B

Seagate

300GB 3.5" Ultra ATA/100View product
Features3 differ
HDD capacityDiffers146 GB300 GB
HDD speedDiffers15000 RPM7200 RPM
HDD sizeKnown for one3.5"
InterfaceDiffersSASUltra-ATA/100
Storage drive buffer sizeKnown for one16 MB
HDD number of cylindersKnown for one16383
HDD number of headsKnown for one16
Read seek timeKnown for one11 ms
Write seek timeKnown for one12 ms
Average latencyKnown for one4.16 ms
Start/stop cyclesKnown for one50000
Component forKnown for oneServer/workstation
HDD interface transfer rateKnown for one3 Gbit/s
Poweridentical
Operating voltageKnown for one5 / 12 V
Start-up currentKnown for one2.6 A
Operational conditionsidentical
Operating temperature (T-T)Known for one0 - 60 °C
Storage temperature (T-T)Known for one-40 - 70 °C
Operating relative humidity (H-H)Known for one5 - 90%
Storage relative humidity (H-H)Known for one5 - 95%
Operating altitudeKnown for one-60.96 - 3048 m
Non-operating altitudeKnown for one-60.96 - 12192 m
Operating shockKnown for one63 G
Non-operating shockKnown for one300 G
Weight & dimensionsidentical
WidthKnown for one101.6 mm
DepthKnown for one147 mm
HeightKnown for one26.1 mm
WeightKnown for one655 g
Other featuresidentical
Drive devices burst data transfer rate (DMA)Known for one2
Drive devices burst data transfer rate (PIO)Known for one4
Drive devices burst data transfer rate (Ultra DMA)Known for one5
Packaging contentidentical
Storage drive adapter includedKnown for oneNo

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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