Product comparison · 2 internal hard drives

Seagate Barracuda 20TB vs Seagate IronWolf ST4000VN006_B3 internal hard drive

Add a product
  • 19specifications compared
  • 12differ
  • 7identical
  • 15known for one product only

Key differences

The Seagate Barracuda 20TB has 16 TB more HDD capacity than the Seagate IronWolf ST4000VN006_B3 internal hard drive (20 TB vs 4 TB). The Seagate Barracuda 20TB has 1,800 RPM more HDD speed than the Seagate IronWolf ST4000VN006_B3 internal hard drive (7200 RPM vs 5400 RPM). The Seagate Barracuda 20TB has 256 MB more storage drive buffer size than the Seagate IronWolf ST4000VN006_B3 internal hard drive (512 MB vs 256 MB). Interface: Serial ATA on the Seagate Barracuda 20TB, Serial ATA III on the Seagate IronWolf ST4000VN006_B3 internal hard drive. Component for: PC on the Seagate Barracuda 20TB, NAS on the Seagate IronWolf ST4000VN006_B3 internal hard drive.

  • HDD capacity
    • Barracuda 20TB:20 TB
    • IronWolf ST4000VN006_B3 internal hard drive:4 TB
  • HDD speed
    • Barracuda 20TB:7200 RPM
    • IronWolf ST4000VN006_B3 internal hard drive:5400 RPM
  • Interface
    • Barracuda 20TB:Serial ATA
    • IronWolf ST4000VN006_B3 internal hard drive:Serial ATA III
  • Component for
    • Barracuda 20TB:PC
    • IronWolf ST4000VN006_B3 internal hard drive:NAS
  • Storage drive buffer size
    • Barracuda 20TB:512 MB
    • IronWolf ST4000VN006_B3 internal hard drive:256 MB
  • HDD sustained transfer rate
    • Barracuda 20TB:190 MiB/s
    • IronWolf ST4000VN006_B3 internal hard drive:202 MiB/s
  • Power consumption (typical)
    • Barracuda 20TB:8.9 W
    • IronWolf ST4000VN006_B3 internal hard drive:4.8 W
  • Power consumption (idle)
    • Barracuda 20TB:6.7 W
    • IronWolf ST4000VN006_B3 internal hard drive:3.96 W

Side by side

Differences highlightedShow differences only (on)
Comparison of Barracuda 20TB, ST4000VN006_B3
34 specifications
Features6 differ
HDD capacityDiffers20 TB4 TB
HDD speedDiffers7200 RPM5400 RPM
InterfaceDiffersSerial ATASerial ATA III
Component forDiffersPCNAS
Storage drive buffer sizeDiffers512 MB256 MB
HDD sustained transfer rateDiffers190 MiB/s202 MiB/s
Rotational Vibration (RV) sensorsKnown for oneUnknown — not stated by the sourceYes
24/7 operationKnown for oneUnknown — not stated by the sourceYes
Start/stop cyclesKnown for oneUnknown — not stated by the source600000
Workload rate limitKnown for oneUnknown — not stated by the source180 TB/year
Mean time to failure (MTTF)Known for oneUnknown — not stated by the source1000000 h
Power3 differ
Power consumption (typical)Differs8.9 W4.8 W
Power consumption (standby)Known for oneUnknown — not stated by the source0.5 W
Power consumption (idle)Differs6.7 W3.96 W
Start-up currentDiffers2 A1.8 A
Operational conditions1 differ
Operating temperature (T-T)Differs10 - 60 °C0 - 65 °C
Operating vibrationKnown for oneUnknown — not stated by the source0.25 G
Non-operating vibrationKnown for oneUnknown — not stated by the source3 G
Operating altitudeKnown for oneUnknown — not stated by the source-304 - 3048 m
Non-operating altitudeKnown for oneUnknown — not stated by the source-304 - 12192 m
Operating shockKnown for oneUnknown — not stated by the source80 G
Non-operating shockKnown for oneUnknown — not stated by the source300 G
Weight & dimensions2 differ
HeightDiffers26.1 mm20.2 mm
WeightDiffers695 g490 g
Packaging contentidentical
Storage drive adapter includedKnown for oneNoUnknown — not stated by the source
Packaging dataidentical
Quantity per packKnown for one1 pc(s)Unknown — not stated by the source
Other featuresidentical
Compliance certificatesKnown for oneRoHSUnknown — not stated by the source

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