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Product comparison · 2 internal hard drives

Seagate 450GB HDD vs Seagate Momentus 5400RPM 500GB 8M SATA 3Gb/s NCQ

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  • 19specifications compared
  • 17differ
  • 2identical
  • 17known for one product only

Key differences

The Seagate Momentus 5400RPM 500GB 8M SATA 3Gb/s NCQ has 50 GB more HDD capacity than the Seagate 450GB HDD (500 GB vs 450 GB). The Seagate 450GB HDD has 9,600 RPM more HDD speed than the Seagate Momentus 5400RPM 500GB 8M SATA 3Gb/s NCQ (15000 RPM vs 5400 RPM). The Seagate 450GB HDD has 8 MB more storage drive buffer size than the Seagate Momentus 5400RPM 500GB 8M SATA 3Gb/s NCQ (16 MB vs 8 MB). Interface: Fibre Channel on the Seagate 450GB HDD, Serial ATA II on the Seagate Momentus 5400RPM 500GB 8M SATA 3Gb/s NCQ. Component for: Server/workstation on the Seagate 450GB HDD, Laptop on the Seagate Momentus 5400RPM 500GB 8M SATA 3Gb/s NCQ.

  • HDD capacity
    • 450 GB
    • 500 GB
  • HDD speed
    • 15000 RPM
    • 5400 RPM
  • Interface
    • Fibre Channel
    • Serial ATA II
  • Component for
    • Server/workstation
    • Laptop
  • Storage drive buffer size
    • 16 MB
    • 8 MB
  • HDD number of heads
    • 6
    • 4
  • Read seek time
    • 3.4 ms
    • 14 ms
  • Average latency
    • 2 ms
    • 5.56 ms

Side by side

Differences highlightedShow differences only
36 specifications
A

Seagate

450GB HDDView product
B

Seagate

Momentus 5400RPM 500GB 8M SATA 3Gb/s NCQView product
Features8 differ
HDD capacityDiffers450 GB500 GB
HDD speedDiffers15000 RPM5400 RPM
InterfaceDiffersFibre ChannelSerial ATA II
Component forDiffersServer/workstationLaptop
Storage drive buffer sizeDiffers16 MB8 MB
HDD number of headsDiffers64
Read seek timeDiffers3.4 ms14 ms
Track to track seek timeKnown for one1 ms
Average latencyDiffers2 ms5.56 ms
Bytes per sectorKnown for one512
HDD sizeKnown for one3.5"
TypeKnown for oneHDD
Write seek timeKnown for one3.9 ms
Mean time between failures (MTBF)Known for one1600000 h
Power1 differ
Power consumption (typical)Differs15.17 W1.54 W
Power consumption (standby)Known for one0.22 W
Power consumption (idle)Known for one10.26 W
Operating voltageKnown for one5 / 12 V
Operational conditions4 differ
Operating temperature (T-T)Differs5 - 55 °C0 - 60 °C
Operating relative humidity (H-H)Known for one5 - 95%
Storage relative humidity (H-H)Known for one5 - 95%
Non-operating vibrationDiffers3 G5 Gs
Operating altitudeKnown for one-304.8 - 3048 m
Non-operating altitudeKnown for one-304.8 - 12192 m
Operating shockDiffers60 G350 G
Non-operating shockDiffers300 G800 G
Weight & dimensions4 differ
WidthDiffers101.6 mm69.8 mm
DepthDiffers146.5 mm100.3 mm
HeightDiffers25.4 mm9.5 mm
WeightDiffers676 g98.8 g
Other featuresidentical
Dimensions (WxDxH)Known for one69.85 x 100.33 x 9.5 mm
InternalKnown for oneYes
Recording densityKnown for one1490 kbit/inch
Track densityKnown for one265

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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