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

Samsung 320GB Serial ATA II HDD vs Seagate Momentus 5400.3 100GB Ultra ATA/100 25pk bulk

Add a product
  • 10specifications compared
  • 9differ
  • 1identical
  • 32known for one product only

Key differences

The Samsung 320GB Serial ATA II HDD has 220 GB more HDD capacity than the Seagate Momentus 5400.3 100GB Ultra ATA/100 25pk bulk (320 GB vs 100 GB). The Samsung 320GB Serial ATA II HDD has 1,800 RPM more HDD speed than the Seagate Momentus 5400.3 100GB Ultra ATA/100 25pk bulk (7200 RPM vs 5400 RPM). The Samsung 320GB Serial ATA II HDD has 1" more HDD size than the Seagate Momentus 5400.3 100GB Ultra ATA/100 25pk bulk (3.5" vs 2.5"). Interface: Serial ATA II on the Samsung 320GB Serial ATA II HDD, Ultra-ATA/100 on the Seagate Momentus 5400.3 100GB Ultra ATA/100 25pk bulk. Operating voltage: 5 / 12 V on the Samsung 320GB Serial ATA II HDD, 5 V on the Seagate Momentus 5400.3 100GB Ultra ATA/100 25pk bulk.

  • HDD capacity
    • 320 GB
    • 100 GB
  • HDD speed
    • 7200 RPM
    • 5400 RPM
  • HDD size
    • 3.5"
    • 2.5"
  • Interface
    • Serial ATA II
    • Ultra-ATA/100
  • Storage drive buffer size
    • 16 MB
    • 8 MB
  • Average seek time
    • 8.9 ms
    • 11 ms
  • Average latency
    • 4.17 ms
    • 5.6 ms
  • Operating voltage
    • 5 / 12 V
    • 5 V

Side by side

Differences highlightedShow differences only
42 specifications
A

Samsung

320GB Serial ATA II HDDView product
B

Seagate

Momentus 5400.3 100GB Ultra ATA/100 25pk bulkView product
Features7 differ
HDD capacityDiffers320 GB100 GB
HDD speedDiffers7200 RPM5400 RPM
HDD sizeDiffers3.5"2.5"
InterfaceDiffersSerial ATA IIUltra-ATA/100
Component forKnown for oneLaptop
Storage drive buffer sizeDiffers16 MB8 MB
HDD number of cylindersKnown for one1024
HDD number of headsKnown for one256
Read seek timeKnown for one22 ms
Write seek timeKnown for one24 ms
Average seek timeDiffers8.9 ms11 ms
Average latencyDiffers4.17 ms5.6 ms
Full stroke seek timeKnown for one18 ms
Track to track seek timeKnown for one0.8 ms
Bytes per sectorKnown for one512
Mean time between failures (MTBF)Known for one600000 h
Power1 differ
Power consumption (standby)Known for one0.2 W
Operating voltageDiffers5 / 12 V5 V
Start-up currentKnown for one1 A
Power consumption (typical)Known for one8 W
Operational conditions1 differ
Operating shockDiffers63 G350 G
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 - 90%
Storage relative humidity (H-H)Known for one5 - 95%
Non-operating shockKnown for one350 G
Weight & dimensionsidentical
WidthKnown for one69.8 mm
DepthKnown for one100.2 mm
HeightKnown for one9.5 mm
WeightKnown for one102 g
Other featuresidentical
Dimensions (WxDxH)Known for one69.85 x 100.2 x 9.5 mm
Drive device, transfer rateKnown for one100 MB/s
External power adapterKnown for oneNo
Mac compatibilityKnown for oneNo
Maximum data transfer rateKnown for one352 Mbit/s
Plug and PlayKnown for oneYes
USB poweredKnown for oneNo
HDD transfer rateKnown for one300 Mbit/s
Power requirementsKnown for one+5V; +12V
Drive ready timeKnown for one10 s
Acoustic pressure emissionsKnown for one2.4 dB

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