Seagate Exos X20 20TB Σκληρός Δίσκος 3.5" SATA III 7200RPM 256MB Cache ST20000NM007D

Περιγραφή

Τεχνικά Χαρακτηριστικά

• Brand
  Seagate
• Model / MPN
  Exos X20 / ST20000NM007D (MPN W126825180)
• Capacity
  20 TB
• Form Factor
  3.5 inch
• Interface
  SATA III 6.0 Gb/s
• Spindle Speed
  7,200 RPM (±0.2%)
• Cache
  256 MB (DDR3L multi-segmented)
• Sustained Transfer Rate (OD)
  285 MB/s
• Internal Data Rate (max)
  2,899 Mb/s
• Average Latency
  4.16 ms
• Average Seek Time
  4.16 ms
• Recording Technology
  Conventional Magnetic Recording (CMR)
• Native Command Queuing (NCQ)
  Yes
• Number of Platters
  10
• Number of Heads
  20
• Workload Rating
  550 TB/year
• MTBF
  2,500,000 hours
• Annualized Failure Rate (AFR)
  0.35%
• Warranty
  5 years (limited)
• Power (Idle average)
  5.4 W
• Power (Random Read 4K/16Q)
  9.4 W
• Power (Random Write 4K/16Q)
  6.4 W
• Power Features
  PowerChoice™, PowerBalance™, helium-sealed design
• Rotational Vibration Tolerance (10-1500 Hz)
  12.5 rad/s²
• Operating Temperature (max drive reported)
  60 °C
• Non-operating Temperature Range
  −40 °C to 70 °C
• Operating Shock (2 ms, read/write)
  40 G
• Non-operating Shock
  up to 200 G
• Dimensions (W×L×H)
  101.6 mm × 147.0 mm × 26.1 mm
• Product Weight
  645 g
• Encryption / Security Options
  Seagate Secure (models/variants may include AES-256 hardware encryption / SED-FIPS options)
• Hot-plug Support
  Yes
• Target Applications
  Hyperscale/cloud data centers, enterprise RAID arrays, distributed file systems, backup and archival, engineering workstations

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