Seagate SV35 SERIES ST3500410SV - Manual (Page 17)

SV35 Series SATA Product Manual, Rev. D 9
2.5 Physical characteristics
2TB model 1TB models 500GB models 250GB model
Maximum height 26.1mm (1.028 in) 26.1mm (1.028 in) 19.98mm (0.787 in) 20.20 mm (0.794 in)
Maximum width 101.6mm (4.0 in) 101.85mm (4.010 in) 101.85mm (4.010 in) 101.85mm (4.010 in)
Maximum length 147.00mm (5.78 in) 146.99mm (5.787 in) 146.99mm (5.787 in) 146.99mm (5.787 in)
Typical weight 635g (1.39 lb) 677g (1.493 lb) 544 grams (1.199 lb) 380 grams (0.838 lb)
Cache buffer 64MB 32MB 16MB 16MB
2.6 Seek time
Seek measurements are taken with nominal power at 25°C ambient temperature. All times are measured using
drive diagnostics. The specifications in the table below are defined as follows:
• Track-to-track seek time is an average of all possible single-track seeks in both directions.
• Average seek time is a true statistical random average of at least 5,000 measurements of seeks between ran-
dom tracks, less overhead.
2TB model 1TB and 500GB model 250GB models
Typical seek times (msec)* Read Write Read Write Read Write
Track-to-track <0.5 <1.5 <0.5 <1.5 <1.0 <1.2
Average <8.5 <9.5 <8.5 <9.5 <8.5 <9.0
*Measured in Seek mode.
Note. These drives are designed to consistently meet the seek times represented in this manual. Physical
seeks, regardless of mode (such as track-to-track and average), are expected to meet the noted val-
ues. However, due to the manner in which these drives are formatted, benchmark tests that include
command overhead or measure logical seeks may produce results that vary from these specifications.
2.7 Start/stop times
2TB model 1TB and 500GB models 250GB models
Power-on to Ready (max) <17s <10s <8s
Ready to spindle stop (max) 10s 12s 12s
Note. Start/stop measurements are taken with nominal power at 25°C ambient temperature.