All categories
Phones & WearablesView all 31

Departments

Phones & WearablesComputers & TabletsComponents & StorageNetworkingPrinting & OfficePower & ChargingTV, Audio & VideoGaming, Toys & RobotsKitchen AppliancesHome AppliancesPersonal Care & HealthSmart Home & SecurityCar & MobilityTools & GardenCameras & Photo

Shopping country

Browse

All categoriesCompare products

Product comparison · 2 internal hard drives

Seagate Cheetah NS 400GB 3-Gb/s Serial Attached SCSI 20pk vs Seagate Momentus 5400.3 160 GB

Add a product
  • 12specifications compared
  • 11differ
  • 1identical
  • 29known for one product only

Key differences

The Seagate Cheetah NS 400GB 3-Gb/s Serial Attached SCSI 20pk has 240 GB more HDD capacity than the Seagate Momentus 5400.3 160 GB (400 GB vs 160 GB). The Seagate Cheetah NS 400GB 3-Gb/s Serial Attached SCSI 20pk has 8 MB more storage drive buffer size than the Seagate Momentus 5400.3 160 GB (16 MB vs 8 MB). The Seagate Momentus 5400.3 160 GB has 7.1 ms more read seek time than the Seagate Cheetah NS 400GB 3-Gb/s Serial Attached SCSI 20pk (11 ms vs 3.9 ms). Interface: SAS on the Seagate Cheetah NS 400GB 3-Gb/s Serial Attached SCSI 20pk, Serial ATA on the Seagate Momentus 5400.3 160 GB.

  • HDD capacity
    • 400 GB
    • 160 GB
  • Interface
    • SAS
    • Serial ATA
  • Storage drive buffer size
    • 16 MB
    • 8 MB
  • Read seek time
    • 3.9 ms
    • 11 ms
  • Write seek time
    • 4.2 ms
    • 13 ms
  • Track to track seek time
    • 0.35 ms
    • 1 ms
  • Average latency
    • 2.98 ms
    • 5.56 ms
  • Width
    • 101.8 mm
    • 69.8 mm

Side by side

Differences highlightedShow differences only
41 specifications
A

Seagate

Cheetah NS 400GB 3-Gb/s Serial Attached SCSI 20pkView product
B

Seagate

Momentus 5400.3 160 GBView product
Features7 differ
HDD capacityDiffers400 GB160 GB
HDD speedKnown for one5400 RPM
HDD sizeKnown for one2.5"
InterfaceDiffersSASSerial ATA
Component forKnown for oneLaptop
Storage drive buffer sizeDiffers16 MB8 MB
HDD number of cylindersKnown for one16383
HDD number of headsKnown for one4
Read seek timeDiffers3.9 ms11 ms
Write seek timeDiffers4.2 ms13 ms
Full stroke seek timeKnown for one24 ms
Track to track seek timeDiffers0.35 ms1 ms
Average seek timeKnown for one12.5 ms
Average latencyDiffers2.98 ms5.56 ms
Bytes per sectorKnown for one512
Poweridentical
Power consumption (typical)Known for one2 W
Operating voltageKnown for one5 V
Operational conditionsidentical
Operating temperature (T-T)Known for one0 - 40 °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 vibrationKnown for one1 G
Non-operating vibrationKnown for one5 G
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 one900 G
Weight & dimensions4 differ
WidthDiffers101.8 mm69.8 mm
DepthDiffers147 mm100.5 mm
HeightDiffers26.1 mm9.5 mm
WeightDiffers771 g100 g
Other featuresidentical
HDD transfer rateKnown for one352 Mbit/s
Power requirementsKnown for one+5.0V ± 5%
Disks included quantityKnown for one2 pc(s)
Drive device, transfer rateKnown for one150 MB/s
Drive ready timeKnown for one8 s
Recording densityKnown for one870 kbit/inch
Track densityKnown for one150000
Data transfer rateKnown for one3 Gbit/s
Sustained data rateKnown for one97 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.

More internal hard drive comparisons

All internal hard drive comparisons