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

Key Features256 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 savingsPerpendicular 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 toleranceWorldwide Name (WWN) capability uniquely identifies the driveSpecifications Drive specificationFormatted (512 bytes/sector)20TBHeads20Discs10Bytes per logical sector512Bytes per physical sector4096Recording density, KBPI (Kb/in max)2470Track density, KTPI (ktracks/in avg.)482Areal density, (Gb/in2 avg)1146Spindle speed (RPM)7200Internal data transfer rate (Mb/s max)2899Sustained data transfer rate OD (MB/s max)248I/O data-transfer rate (MB/s max)600ATA data-transfer modes supportedPIO modes 04Multiword DMA modes 02Ultra DMA modes 06Cache buffer256MB (262,144KB)Weight: (maximum) 680g (1.499 lb)Average latency 4.16msPower-on to ready (sec) (typ/max) 25/30Standby to ready (sec) (typ/max) 25/30Startup current (typical) 12V (peak) 2.0AVoltage tolerance (including noise) 5V 5%12V 10%Operating ambient temperature (min C)* 0C (Ambient)Operating temperature (max C)* 65C (Drive Reported Temperature)-Type Of Drive: Physical Drive Size: Connection: Capacity: Drive Classification: Packaging: