Seagate Skyhawk Surveillance Ai ST20000VE004 20Tb 3.5" 512Mb Cache Sata Iii Inte

512 MB data buffer.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 driveSpecifiactions Drive specificationFormatted (512 bytes/sector)TBHeadsDiscsBytes per logical sector512Bytes per physical sector4096Recording density, KBPI (Kb/in max)2426Track density, KTPI (ktracks/in avg.)436Areal density, (Gb/in2 avg)28Spindle speed (RPM)7200Internal data transfer rate (Mb/s max)2833Sustained data transfer rate OD (MB/s max)250I/O data-transfer rate (MB/s max)600ATA data-transfer modes supportedPIO modes 0–4Multiword DMA modes 0–2Ultra DMA modes 0–6Cache buffer512MBWeight: (maximum) 670g (1.477 lb)Average latency 4.16msPower-on to ready (sec) (typ/max) 23/30Standby to ready (sec) (typ/max) 23/30Startup current (typical) 12V (peak) 2.0AVoltage tolerance (including noise) 5V ± 5%V ± 10%Operating ambient temperature (min °C)* 0°C (Ambient)Operating temperature (max °C)* 65°C (Drive Reported Temperature)