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Product comparison · 2 internal hard drives

Seagate 450GB 3.5" SAS vs Seagate Momentus 5400.5

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  • 20specifications compared
  • 18differ
  • 2identical
  • 20known for one product only

Key differences

  • HDD capacity
    • 450 GB
    • 320 GB
  • HDD speed
    • 15000 RPM
    • 5400 RPM
  • HDD size
    • 3.5"
    • 2.5"
  • Interface
    • SAS
    • Serial ATA
  • Component for
    • Server/workstation
    • Laptop
  • Storage drive buffer size
    • 16 MB
    • 8 MB
  • HDD number of heads
    • 8
    • 4
  • Read seek time
    • 3.4 ms
    • 11 ms

Side by side

Differences highlightedShow differences only
40 specifications
A

Seagate

450GB 3.5" SASView product
B

Seagate

Momentus 5400.5View product
Features9 differ
HDD capacityDiffers450 GB320 GB
HDD speedDiffers15000 RPM5400 RPM
HDD sizeDiffers3.5"2.5"
InterfaceDiffersSASSerial ATA
Component forDiffersServer/workstationLaptop
Storage drive buffer sizeDiffers16 MB8 MB
HDD number of headsDiffers84
Read seek timeDiffers3.4 ms11 ms
Full stroke seek timeKnown for one24 ms
Track to track seek timeKnown for one1.5 ms
Average latencyDiffers2 ms5.6 ms
Bytes per sectorKnown for one512
TypeKnown for oneHDD
Write seek timeKnown for one3.9 ms
Power1 differ
Power consumption (standby)Known for one0.21 W
Operating voltageDiffers5 / 12 V5 V
Power consumption (typical)Known for one17.3 W
Power consumption (idle)Known for one12.4 W
Operational conditions4 differ
Operating temperature (T-T)Differs5 - 55 °C0 - 60 °C
Storage temperature (T-T)-40 - 70 °C-40 - 70 °C
Operating relative humidity (H-H)Known for one5 - 90%
Storage relative humidity (H-H)Known for one5 - 95%
Operating vibration1 G1 G
Non-operating vibrationDiffers2 G5 G
Operating altitudeKnown for one-304.8 - 3048 m
Non-operating altitudeKnown for one-304.8 - 3048 m
Operating shockDiffers60 G350 G
Non-operating shockDiffers250 G1000 G
Weight & dimensions4 differ
WidthDiffers101.6 mm69.8 mm
DepthDiffers146.1 mm100.5 mm
HeightDiffers25.4 mm9.5 mm
WeightDiffers709 g98.5 g
Other featuresidentical
HDD transfer rateKnown for one830 Mbit/s
Power requirementsKnown for one+5V ± 5%
Data transfer rateKnown for one3 Gbit/s
Drive device, transfer rateKnown for one150 MB/s
InternalKnown for oneYes
Recording densityKnown for one1337000 kbit/inch
Track densityKnown for one191500
Sustained data rateKnown for one171 MB/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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