Product comparison · 2 internal hard drives

Seagate IronWolf Pro ST20000NT001 internal hard drive vs Seagate SkyHawk ST4000VX016 internal hard drive

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  • 17specifications compared
  • 9differ
  • 8identical
  • 21known for one product only

Key differences

  • HDD capacity
    • IronWolf Pro ST20000NT001 internal hard drive:20 TB
    • SkyHawk ST4000VX016 internal hard drive:4 TB
  • Component for
    • IronWolf Pro ST20000NT001 internal hard drive:NAS
    • SkyHawk ST4000VX016 internal hard drive:PC
  • HDD sustained transfer rate
    • IronWolf Pro ST20000NT001 internal hard drive:285 MiB/s
    • SkyHawk ST4000VX016 internal hard drive:180 MiB/s
  • Mean time between failures (MTBF)
    • IronWolf Pro ST20000NT001 internal hard drive:2500000 h
    • SkyHawk ST4000VX016 internal hard drive:1000000 h
  • Power consumption (standby)
    • IronWolf Pro ST20000NT001 internal hard drive:1 W
    • SkyHawk ST4000VX016 internal hard drive:0.25 W
  • Power consumption (idle)
    • IronWolf Pro ST20000NT001 internal hard drive:5.5 W
    • SkyHawk ST4000VX016 internal hard drive:2.5 W
  • Start-up current
    • IronWolf Pro ST20000NT001 internal hard drive:2 A
    • SkyHawk ST4000VX016 internal hard drive:1.8 A
  • Height
    • IronWolf Pro ST20000NT001 internal hard drive:26.1 mm
    • SkyHawk ST4000VX016 internal hard drive:20.2 mm

Side by side

Differences highlightedShow differences only (on)
Comparison of ST20000NT001, ST4000VX016
38 specifications
Features4 differ
HDD capacityDiffers20 TB4 TB
HDD speedKnown for one7200 RPMUnknown — not stated by the source
Component forDiffersNASPC
HDD sustained transfer rateDiffers285 MiB/s180 MiB/s
Uncorrectable Bit Error Rate (UBER)Known for one< 1 per 10^15 bits readUnknown — not stated by the source
Rotational Vibration (RV) sensorsKnown for oneYesUnknown — not stated by the source
Workload rate limitKnown for one550 TB/yearUnknown — not stated by the source
Noise level (idle)Known for one20 dBUnknown — not stated by the source
Mean time to failure (MTTF)Known for one2500000 hUnknown — not stated by the source
Mean time between failures (MTBF)Differs2500000 h1000000 h
InterfaceKnown for oneUnknown — not stated by the sourceSerial ATA III
24/7 operationKnown for oneUnknown — not stated by the sourceYes
RV sensor(s)Known for oneUnknown — not stated by the sourceYes
Start/stop cyclesKnown for oneUnknown — not stated by the source600000
Power3 differ
Power consumption (typical)Known for one7.7 WUnknown — not stated by the source
Power consumption (standby)Differs1 W0.25 W
Power consumption (off)Known for one1 WUnknown — not stated by the source
Power consumption (idle)Differs5.5 W2.5 W
Start-up currentDiffers2 A1.8 A
Power consumption (read)Known for oneUnknown — not stated by the source3.7 W
Power consumption (write)Known for oneUnknown — not stated by the source3.7 W
Operational conditionsidentical
Storage temperature (T-T)Known for one-40 - 70 °CUnknown — not stated by the source
Non-operating vibrationKnown for one2.27 GUnknown — not stated by the source
Operating shockKnown for one40 GUnknown — not stated by the source
Non-operating shockKnown for one200 GUnknown — not stated by the source
Weight & dimensions2 differ
HeightDiffers26.1 mm20.2 mm
WeightDiffers670 g490 g
Packaging dataidentical
Quantity per packKnown for oneUnknown — not stated by the source1 pc(s)
Logistics dataidentical
Harmonized System (HS) codeKnown for oneUnknown — not stated by the source84717050
Other featuresidentical
Maximum number of cameras supportedKnown for oneUnknown — not stated by the source64

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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