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Product comparison · 2 internal hard drives

Lenovo 450GB 3.5" SAS vs Seagate Momentus 5400RPM 250GB 8M SATA 3Gb/s NCQ

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  • 7specifications compared
  • 6differ
  • 1identical
  • 28known for one product only

Key differences

The Lenovo 450GB 3.5" SAS has 200 GB more HDD capacity than the Seagate Momentus 5400RPM 250GB 8M SATA 3Gb/s NCQ (450 GB vs 250 GB). The Lenovo 450GB 3.5" SAS has 9,600 RPM more HDD speed than the Seagate Momentus 5400RPM 250GB 8M SATA 3Gb/s NCQ (15000 RPM vs 5400 RPM). The Lenovo 450GB 3.5" SAS has 31.2 mm more width than the Seagate Momentus 5400RPM 250GB 8M SATA 3Gb/s NCQ (101 mm vs 69.8 mm). Interface: SAS on the Lenovo 450GB 3.5" SAS, Serial ATA II on the Seagate Momentus 5400RPM 250GB 8M SATA 3Gb/s NCQ.

  • HDD capacity
    • 450 GB
    • 250 GB
  • HDD speed
    • 15000 RPM
    • 5400 RPM
  • Interface
    • SAS
    • Serial ATA II
  • Width
    • 101 mm
    • 69.8 mm
  • Depth
    • 147 mm
    • 100.3 mm
  • Height
    • 26 mm
    • 9.5 mm

Side by side

Differences highlightedShow differences only
35 specifications
A

Lenovo

450GB 3.5" SASView product
B

Seagate

Momentus 5400RPM 250GB 8M SATA 3Gb/s NCQView product
Features3 differ
HDD capacityDiffers450 GB250 GB
HDD speedDiffers15000 RPM5400 RPM
InterfaceDiffersSASSerial ATA II
Component forKnown for oneLaptop
Storage drive buffer sizeKnown for one8 MB
HDD number of headsKnown for one2
Read seek timeKnown for one14 ms
Track to track seek timeKnown for one1 ms
Average latencyKnown for one5.56 ms
Bytes per sectorKnown for one512
HDD sizeKnown for one3.5"
TypeKnown for oneHDD
Hot-swapKnown for oneYes
Poweridentical
Power consumption (typical)Known for one1.54 W
Power consumption (standby)Known for one0.22 W
Operating voltageKnown for one5 / 12 V
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 - 95%
Storage relative humidity (H-H)Known for one5 - 95%
Operating vibrationKnown for one1.0 Gs
Non-operating vibrationKnown for one5 Gs
Operating altitudeKnown for one-304.8 - 3048 m
Non-operating altitudeKnown for one-304.8 - 12192 m
Operating shockKnown for one350 G
Non-operating shockKnown for one800 G
Weight & dimensions3 differ
WidthDiffers101 mm69.8 mm
DepthDiffers147 mm100.3 mm
HeightDiffers26 mm9.5 mm
WeightKnown for one93.5 g
Other featuresidentical
Dimensions (WxDxH)Known for one69.85 x 100.33 x 9.5 mm
InternalYesYes
Recording densityKnown for one1490 kbit/inch
Track densityKnown for one265
CertificationKnown for oneUL, C-Tick, CE, CSA, TUV, BSMI

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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