Seagate SkyHawk AI 20TB 3.5" 7200RPM 256MB SATA III Internal Hard Drive

Key Features

• 256 MB data buffer.
• 7200 RPM spindle speed.
• Full-track multiple-sector transfer capability without local processor intervention.
• High instantaneous (burst) data-transfer rates (up to 600MB per second).
• Native Command Queuing with command ordering to increase performance in demanding applications.
• PowerChoice for selectable power savings
• Perpendicular recording technology provides the drives with increased areal density.
• SeaTools diagnostic software performs a drive self-test that eliminates 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

Drive specification

Formatted (512 bytes/sector)

20TB

Heads

20

Discs

10

Bytes per logical sector

512

Bytes per physical sector

4096

Recording density, KBPI (Kb/in max)

2470

Track density, KTPI (ktracks/in avg.)

482

Areal density, (Gb/in2 avg)

1146

Spindle speed (RPM)

7200

Internal data transfer rate (Mb/s max)

2899

Sustained data transfer rate OD (MB/s max)

248

I/O data-transfer rate (MB/s max)

600

ATA data-transfer modes supported

• PIO modes 0–4
• Multiword DMA modes 0–2
• Ultra DMA modes 0–6

Cache buffer

256MB (262,144KB)

Weight: (maximum)

680g (1.499 lb)

Average latency

4.16ms

Power-on to ready (sec) (typ/max)

25/30

Standby to ready (sec) (typ/max)

25/30

Startup current

(typical) 12V (peak) 2.0A

Voltage tolerance (including noise)

5V ± 5%

12V ± 10%

Operating ambient temperature (min °C)

* 0°C (Ambient)

Operating temperature (max °C)

* 65°C (Drive Reported Temperature)