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Seagate SkyHawk Surveillance AI ST20000VE004 20TB 3.5" 512MB Cache SATA III Internal Hard Drive

Utskjutande $767.00

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Seagate SkyHawk Surveillance AI ST20000VE004 20TB 3.5

Seagate SkyHawk Surveillance AI ST20000VE004 20TB 3.5" 512MB Cache SATA III Internal Hard Drive

$767.00

Key Features

  • 512 MB data buffer
  • Full-track, multiple-sector transfer capability without local processor intervention
  • High instantaneous (burst) data-transfer rates up to 600 MB/s
  • Native Command Queuing (NCQ) with command ordering to help increase performance in demanding applications
  • PowerChoice for selectable power savings
  • Perpendicular recording technology for increased areal density
  • SeaTools diagnostic software performs drive self-tests to help reduce unnecessary drive returns
  • State-of-the-art cache and on-the-fly error-correction algorithms
  • Support for S.M.A.R.T. drive monitoring and reporting
  • Supports latching SATA cables and connectors
  • Top Cover Attached motor for excellent vibration tolerance
  • Worldwide Name (WWN) capability uniquely identifies the drive

Specifications

Drive Specifications

Specification Value
Formatted capacity (512 bytes/sector) 20 TB
Heads 20
Discs 10
Bytes per logical sector 512
Bytes per physical sector 4096
Recording density, KBPI (Kb/in max) 2426
Track density, KTPI (ktracks/in avg.) 436
Areal density (Gb/in² avg) 1028
Spindle speed (RPM) 7200
Internal data transfer rate (Mb/s max) 2833
Sustained data transfer rate OD (MB/s max) 250
I/O data-transfer rate (MB/s max) 600

ATA Data-Transfer Modes Supported

Mode Type Modes Supported
PIO 0–4
Multiword DMA 0–2
Ultra DMA 0–6

Cache

Specification Value
Cache buffer 512 MB

Physical

Specification Value
Weight (maximum) 670 g (1.477 lb)

Performance

Specification Value
Average latency 4.16 ms
Power-on to ready (typ/max) 23 / 30 s
Standby to ready (typ/max) 23 / 30 s

Power

Specification Value
Startup current (typical) 12 V (peak) 2.0 A
Voltage tolerance (including noise) – 5 V ± 5%
Voltage tolerance (including noise) – 12 V ± 10%

Environmental

Specification Value
Operating ambient temperature (min) 0 °C (Ambient)
Operating temperature (max) 65 °C (Drive Reported Temperature)