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Product comparison · 2 internal hard drives

Samsung 40GB Serial ATA II HDD, 20-PK vs Seagate NL35 Series 250GB SATA 20pk

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  • 11specifications compared
  • 5differ
  • 6identical
  • 23known for one product only

Key differences

The Seagate NL35 Series 250GB SATA 20pk has 210 GB more HDD capacity than the Samsung 40GB Serial ATA II HDD, 20-PK (250 GB vs 40 GB). The Seagate NL35 Series 250GB SATA 20pk has 8 MB more storage drive buffer size than the Samsung 40GB Serial ATA II HDD, 20-PK (16 MB vs 8 MB). The Samsung 40GB Serial ATA II HDD, 20-PK has 0.01 ms more average latency than the Seagate NL35 Series 250GB SATA 20pk (4.17 ms vs 4.16 ms). Interface: Serial ATA II on the Samsung 40GB Serial ATA II HDD, 20-PK, Serial ATA on the Seagate NL35 Series 250GB SATA 20pk. Storage temperature (T-T): -40 - 70 °C on the Samsung 40GB Serial ATA II HDD, 20-PK, 0 - 60 °C on the Seagate NL35 Series 250GB SATA 20pk.

  • HDD capacity
    • 40 GB
    • 250 GB
  • Interface
    • Serial ATA II
    • Serial ATA
  • Storage drive buffer size
    • 8 MB
    • 16 MB
  • Average latency
    • 4.17 ms
    • 4.16 ms
  • Storage temperature (T-T)
    • -40 - 70 °C
    • 0 - 60 °C

Side by side

Differences highlightedShow differences only
34 specifications
A

Samsung

40GB Serial ATA II HDD, 20-PKView product
B

Seagate

NL35 Series 250GB SATA 20pkView product
Features4 differ
HDD capacityDiffers40 GB250 GB
HDD speed7200 RPM7200 RPM
HDD size3.5"3.5"
InterfaceDiffersSerial ATA IISerial ATA
Storage drive buffer sizeDiffers8 MB16 MB
Full stroke seek timeKnown for one18 ms
Track to track seek time0.8 ms0.8 ms
Average seek timeKnown for one8.9 ms
Average latencyDiffers4.17 ms4.16 ms
Bytes per sector512512
Mean time between failures (MTBF)Known for one500000 h
Access timeKnown for one10 ms
Read seek timeKnown for one5 ms
Write seek timeKnown for one9 ms
Poweridentical
Power consumption (typical)Known for one8 W
Power consumption (standby)Known for one0.7 W
Power consumption (PowerSave)Known for one0.7 W
Operating voltage5 / 12 V5 / 12 V
Operational conditions1 differ
Operating temperature (T-T)Known for one0 - 60 °C
Storage temperature (T-T)Differs-40 - 70 °C0 - 60 °C
Operating relative humidity (H-H)Known for one5 - 90%
Storage relative humidity (H-H)Known for one5 - 95%
Non-operating altitudeKnown for one12000
Operating shockKnown for one63 G
Non-operating shockKnown for one350 G
Other featuresidentical
Special featuresKnown for oneRoHS NoiseGuard SilentSeek
Drive device, transfer rateKnown for one300 MB/s
InternalYesYes
HDD transfer rateKnown for one150 Mbit/s
Dimensions (WxDxH)Known for one101.6 x 146.55 x 25.654 mm
Weight & dimensionsidentical
WidthKnown for one101.6 mm
DepthKnown for one146.6 mm
HeightKnown for one25.7 mm
WeightKnown for one726 g

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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