Seagate ST680712DEG ユーザーズマニュアル

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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/inch
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