Seagate Desktop HDD Technical Specifications

  4TB1 3TB1 2TB1 1TB1 500GB1 320GB1 250GB1
Model Number ST4000DM000 ST3000DM001 ST2000DM001 ST1000DM003 ST500DM002 ST320DM000 ST250DM000
Model Name   Desktop HDD  formerly Barracuda formerly Barracuda formerly Barracuda formerly Barracuda formerly Barracuda formerly Barracuda
Interface Options SATA 6Gb/s NCQ SATA 6Gb/s NCQ SATA 6Gb/s NCQ SATA 6Gb/s NCQ SATA 6Gb/s NCQ SATA 6Gb/s NCQ SATA 6Gb/s NCQ
Performance
SATA Transfer Rates Supported (Gb/s) 6.0/3.0/1.5 6.0/3.0/1.5 6.0/3.0/1.5 6.0/3.0/1.5 6.0/3.0/1.5 6.0/3.0/1.5 6.0/3.0/1.5
Cache, Multisegmented (MB) 64 64 64 64 16 16 16
Spindle Speed(RPM) 5900 7200 7200 7200 7200 7200 7200
Special Features
Seagate OptiCache Technology Yes Yes Yes Yes No No No
Seagate Acutrac Technology Yes Yes Yes Yes No No No
Seagate SmartAlign Technology Yes Yes Yes Yes No2 No2 No2
How Much Will it Store?
  Digital Music (Songs)
Based on 4.096MB song,128kbps bit rate,11:1 audio compression ratio 1,000,000 750,000 500,000 250,000 125,000 80,000 62,000
 Digital Photos (Files)
Average file size using cameras highest resolution JPEG mode 819,200 614,400 409,600 204,800 102,400 65,536 51,200
 HD Video (Hours)
Based on H.264 compression at a 6.75Mbs bitrate 493 370 247 123 62 39 31