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Product comparison · 2 internal hard drives

Samsung 40GB Ultra-ATA/133 HDD vs Seagate EE25 Series 40GB SATA

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  • 12specifications compared
  • 10differ
  • 2identical
  • 21known for one product only

Key differences

The Samsung 40GB Ultra-ATA/133 HDD has 1,800 RPM more HDD speed than the Seagate EE25 Series 40GB SATA (7200 RPM vs 5400 RPM). The Samsung 40GB Ultra-ATA/133 HDD has 1" more HDD size than the Seagate EE25 Series 40GB SATA (3.5" vs 2.5"). The Seagate EE25 Series 40GB SATA has 6 MB more storage drive buffer size than the Samsung 40GB Ultra-ATA/133 HDD (8 MB vs 2 MB). Interface: Ultra-ATA/133 on the Samsung 40GB Ultra-ATA/133 HDD, Serial ATA on the Seagate EE25 Series 40GB SATA. Operating voltage: 5 / 12 V on the Samsung 40GB Ultra-ATA/133 HDD, 5 V on the Seagate EE25 Series 40GB SATA.

  • HDD speed
    • 7200 RPM
    • 5400 RPM
  • HDD size
    • 3.5"
    • 2.5"
  • Interface
    • Ultra-ATA/133
    • Serial ATA
  • Storage drive buffer size
    • 2 MB
    • 8 MB
  • Average latency
    • 4.17 ms
    • 5.6 ms
  • Mean time between failures (MTBF)
    • 600000 h
    • 550000 h
  • Power consumption (standby)
    • 1.5 W
    • 0.26 W
  • Operating voltage
    • 5 / 12 V
    • 5 V

Side by side

Differences highlightedShow differences only
33 specifications
A

Samsung

40GB Ultra-ATA/133 HDDView product
B

Seagate

EE25 Series 40GB SATAView product
Features6 differ
HDD capacity40 GB40 GB
HDD speedDiffers7200 RPM5400 RPM
HDD sizeDiffers3.5"2.5"
InterfaceDiffersUltra-ATA/133Serial ATA
Storage drive buffer sizeDiffers2 MB8 MB
Read seek timeKnown for one12.5 ms
Write seek timeKnown for one14.5 ms
Average latencyDiffers4.17 ms5.6 ms
Mean time between failures (MTBF)Differs600000 h550000 h
Full stroke seek timeKnown for one18 ms
Track to track seek timeKnown for one0.8 ms
Average seek timeKnown for one8.9 ms
Bytes per sectorKnown for one512
Start/stop cyclesKnown for one50000
Power2 differ
Power consumption (standby)Differs1.5 W0.26 W
Operating voltageDiffers5 / 12 V5 V
Power consumption (typical)Known for one7 W
Operational conditionsidentical
Operating temperature (T-T)Known for one-30 - 85 °C
Storage temperature (T-T)Known for one-40 - 95 °C
Operating relative humidity (H-H)Known for one5 - 95%
Storage relative humidity (H-H)Known for one5 - 95%
Operating altitudeKnown for one-304.8 - 4419 m
Non-operating altitudeKnown for one-304.8 - 12192 m
Operating shockKnown for one200 G
Non-operating shockKnown for one800 G
Weight & dimensions1 differ
WeightDiffers631 g100 g
WidthKnown for one146.1 mm
DepthKnown for one101.6 mm
HeightKnown for one25.4 mm
Other features1 differ
Dimensions (WxDxH)Known for one69.85 x 100.2 x 9.5 mm
InternalYesYes
Acoustic pressure emissionsDiffers2.5 dB2.3 dB
Drive ready timeKnown for one5 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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