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Product comparison · 2 internal hard drives

Seagate DB35 200GB SATA vs Seagate Momentus 5400.3 120GB Ultra ATA/100

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  • 13specifications compared
  • 10differ
  • 3identical
  • 11known for one product only

Key differences

The Seagate DB35 200GB SATA has 80 GB more HDD capacity than the Seagate Momentus 5400.3 120GB Ultra ATA/100 (200 GB vs 120 GB). The Seagate DB35 200GB SATA has 1,800 RPM more HDD speed than the Seagate Momentus 5400.3 120GB Ultra ATA/100 (7200 RPM vs 5400 RPM). The Seagate DB35 200GB SATA has 1" more HDD size than the Seagate Momentus 5400.3 120GB Ultra ATA/100 (3.5" vs 2.5"). Interface: Serial ATA II on the Seagate DB35 200GB SATA, Ultra-ATA/100 on the Seagate Momentus 5400.3 120GB Ultra ATA/100. Operating voltage: 5 / 12 V on the Seagate DB35 200GB SATA, 5 V on the Seagate Momentus 5400.3 120GB Ultra ATA/100.

  • HDD capacity
    • 200 GB
    • 120 GB
  • HDD speed
    • 7200 RPM
    • 5400 RPM
  • HDD size
    • 3.5"
    • 2.5"
  • Interface
    • Serial ATA II
    • Ultra-ATA/100
  • Average latency
    • 4.16 ms
    • 5.6 ms
  • Operating voltage
    • 5 / 12 V
    • 5 V
  • Width
    • 101 mm
    • 69.8 mm
  • Depth
    • 146 mm
    • 100.2 mm

Side by side

Differences highlightedShow differences only
24 specifications
A

Seagate

DB35 200GB SATAView product
B

Seagate

Momentus 5400.3 120GB Ultra ATA/100View product
Features5 differ
HDD capacityDiffers200 GB120 GB
HDD speedDiffers7200 RPM5400 RPM
HDD sizeDiffers3.5"2.5"
InterfaceDiffersSerial ATA IIUltra-ATA/100
Component forKnown for oneLaptop
Storage drive buffer size8 MB8 MB
HDD number of headsKnown for one3
Access timeKnown for one12.5 ms
Average latencyDiffers4.16 ms5.6 ms
Bytes per sectorKnown for one512
Power1 differ
Power consumption (standby)Known for one0.2 W
Operating voltageDiffers5 / 12 V5 V
Operational conditionsidentical
Operating temperature (T-T)0 - 60 °C0 - 60 °C
Storage temperature (T-T)Known for one-40 - 70 °C
Operating shockKnown for one63 G
Weight & dimensions4 differ
WidthDiffers101 mm69.8 mm
DepthDiffers146 mm100.2 mm
HeightDiffers26 mm9.5 mm
WeightDiffers580 g102 g
Other featuresidentical
HDD transfer rateKnown for one100 Mbit/s
Dimensions (WxDxH)Known for one69.85 x 100.2 x 9.5 mm
InternalYesYes
Sustained data rateKnown for one44 MB/s
Drive device, transfer rateKnown for one150 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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