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 20GB 3.5" Ultra ATA/100 vs Seagate NL35.2 Series 500GB HDD 8MB SATA

Add a product
  • 14specifications compared
  • 8differ
  • 6identical
  • 25known for one product only

Key differences

The Seagate NL35.2 Series 500GB HDD 8MB SATA has 480 GB more HDD capacity than the Seagate 20GB 3.5" Ultra ATA/100 (500 GB vs 20 GB). The Seagate NL35.2 Series 500GB HDD 8MB SATA has 1,800 RPM more HDD speed than the Seagate 20GB 3.5" Ultra ATA/100 (7200 RPM vs 5400 RPM). The Seagate 20GB 3.5" Ultra ATA/100 has 1.9 ms more read seek time than the Seagate NL35.2 Series 500GB HDD 8MB SATA (9.9 ms vs 8 ms). Interface: Ultra-ATA/100 on the Seagate 20GB 3.5" Ultra ATA/100, Serial ATA on the Seagate NL35.2 Series 500GB HDD 8MB SATA.

  • HDD capacity
    • 20 GB
    • 500 GB
  • HDD speed
    • 5400 RPM
    • 7200 RPM
  • Interface
    • Ultra-ATA/100
    • Serial ATA
  • Read seek time
    • 9.9 ms
    • 8 ms
  • Write seek time
    • 10.9 ms
    • 9 ms
  • Average latency
    • 5.55 ms
    • 4.16 ms
  • Depth
    • 147 mm
    • 146.9 mm
  • Weight
    • 590 g
    • 710 g

Side by side

Differences highlightedShow differences only
39 specifications
A

Seagate

20GB 3.5" Ultra ATA/100View product
B

Seagate

NL35.2 Series 500GB HDD 8MB SATAView product
Features6 differ
HDD capacityDiffers20 GB500 GB
HDD speedDiffers5400 RPM7200 RPM
HDD size3.5"3.5"
InterfaceDiffersUltra-ATA/100Serial ATA
TypeKnown for oneHDD
HDD number of cylindersKnown for one16383
HDD number of headsKnown for one16
Read seek timeDiffers9.9 ms8 ms
Write seek timeDiffers10.9 ms9 ms
Average latencyDiffers5.55 ms4.16 ms
Bytes per sector512512
Start/stop cyclesKnown for one50000
Mean time between failures (MTBF)Known for one500000 h
Storage drive buffer sizeKnown for one8 MB
Access timeKnown for one10 ms
Poweridentical
Power consumption (idle)Known for one4.8 W
Power consumption (read)Known for one7.1 W
Power consumption (write)Known for one7.1 W
Operating voltage5 / 12 V5 / 12 V
Start-up currentKnown for one1.4 A
Power consumption (standby)Known for one0.8 W
Operational conditionsidentical
Operating temperature (T-T)0 - 60 °C0 - 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%
Operating altitudeKnown for one-198 - 304 m
Non-operating altitudeKnown for one-198 - 12192 m
Operating shockKnown for one63 G
Non-operating shockKnown for one350 G
Weight & dimensions2 differ
Width101.8 mm101.8 mm
DepthDiffers147 mm146.9 mm
Height26.1 mm26.1 mm
WeightDiffers590 g710 g
Other featuresidentical
Drive devices burst data transfer rate (DMA)Known for one2
Drive devices burst data transfer rate (PIO)Known for one4
Drive devices burst data transfer rate (Ultra DMA)Known for one5
HDD transfer rateKnown for one150 Mbit/s
Dimensions (WxDxH)Known for one101.85 x 146.9 x 26.11 mm
InternalKnown for oneYes

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