Western Digital Ultrastar 20TB HDD Σκληρός Δίσκος 3.5" SATA III 7200rpm για Server

Περιγραφή

Τεχνικά Χαρακτηριστικά

• Brand
  Western Digital
• Series
  Ultrastar DC HC560
• Model / MPN
  WUH722020AL (SATA Base SE) / W128106770
• Capacity
  20 TB
• Form Factor
  3.5 inch (26.1 mm height)
• Interface
  SATA 6 Gb/s (SATA III)
• Rotational Speed
  7200 RPM
• Cache (Data Buffer)
  512 MB
• Platters / Heads
  9 platters / 18 heads
• Recording Technology
  CMR (Conventional Magnetic Recording), ePMR/EAMR support, OptiNAND (iNAND flash for metadata)
• Helium Sealed
  Yes (HelioSeal)
• Actuator
  Triple Stage Actuator (TSA)
• Sector Sizes
  4Kn (4096 bytes), 512e (512 bytes)
• Sustained Transfer Rate
  Up to ~269 MB/s (internal)
• Average Latency
  4.16 ms
• Areal Density
  ~1131 Gbits/sq.in (max)
• Dimensions (H x W x D)
  26.1 x 101.6 x 147 mm
• Weight
  690 g
• Power Consumption (Read/Write)
  ~7.0 W
• Power Consumption (Idle)
  ~6.1 W
• Power Consumption (Standby/Sleep)
  ~0.3 W
• Peak 12V Current
  2.0 / 3.2 A (depending on condition)
• Reliability (MTBF)
  2.5 million hours
• Workload Rating
  550 TB/year
• Non-recoverable Read Errors
  < 1 in 10^15 bits read
• Load/Unload Cycles
  600,000
• Acoustics (Idle)
  ~20 dBA
• Acoustics (Seek)
  ~32 dBA
• Operating Temperature
  5 to 60 °C
• Non-operating Temperature
  -40 to 70 °C
• Vibration (Non-operating)
  250 G (2 ms)
• Warranty
  5 years (limited)
• Features
  Native Command Queuing (NCQ), Advanced Format (AF), SED options available, Power Disable pin
• Target Use
  Enterprise servers, data centers, high-capacity NAS
• SKU
  1200660519
• EAN
  5715063004838

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