ST1.3 Series Product Manual, Rev. C 3

2.0 Drive specifications

Unless otherwise noted, all specifications are measured under ambient conditions, at 25°C, and nominal

power. For convenience, the phrases the drive and this drive are used throughout this manual to indicate

ST612712DE, ST612712DEG, ST610712DE, ST610712DEG, ST680712DE, ST680712DEG, ST660712DE

and ST660712DEG model drives.

2.1 Power, access times and acoustics

The specifications listed in this table are for quick reference. For details on specification measurement or defi-

nition, see the appropriate section of this manual.

Table 1: Specifications

Drive specification
ST612712DEG
ST612712DE
ST610712DEG
ST610712DE
ST680712DEG
ST680712DE
ST660712DEG
ST660712DE
Formatted Gbytes 12.0 10.0 8.0 6.0
Guaranteed sectors 23,438,016 19,533,024 15,625,008 11,719,008
Physical heads 2/1
Physical discs 1
Bytes per sector (logical) 512
Cache (Mbytes) 2
Recording density, BPI (bits/inch max) 933,000
Track density. TPI (tracks/inch max) 140,000
Areal density (Gbits/inch2 max) 130.6
Spindle speed (RPM) 3,600
Internal data transfer rate OD (Mbits/sec max) 130.0
Sustained data transfer rate OD (Mbytes/sec) 10.2
I/O data-transfer rate (Mbytes/sec max) 66.7 (UDMA 4)
ATA data-transfer modes supported PIO modes 0–4;
Multiword DMA modes 0-2;
Ultra DMA modes 0–4
Height (max) 5.1 mm (0.2009 inches)
Width 40.0 +/-0.2 mm (1.5748 +/-0.008 inches)
Length 30.0 +/-0.2 mm (1.1811 +/-0.008 inches)
Weight 13.6 gm - 0.3000 lb. (typ)
Average latency (msec) 8.3
Power-on to ready (sec typical / max) (without retry) 1.0 / 2.5
Standby to ready (sec typical / max) (without retry) 1.0 / 2.5
Startup current 3.3v (peak)
(maximum RMS in 10ms window)
330 mA
Seek power (typical 3.3V) 154 mA