Seagate ST3300831AS - Barracuda 300 GB Hard Drive Product Manual page 12

Table 1: Drive specifications for 400 Gbyte models
Drive specification
Formatted Gbytes (512 bytes/sector)*
Guaranteed sectors
Bytes per sector
Default sectors per track
Default read/write heads
Default cylinders
Recording density in BPI (bits/inch max)
Track density TPI (tracks/inch avg)
2
Areal density (Mbits/inch
Spindle speed (RPM)
Internal data transfer rate (Mbytes/sec max)
Sustained transfer rate OD (Mbytes/sec)
I/O data transfer rate (Mbytes/sec max)
ATA data-transfer modes supported
SATA data-transfer modes supported
Cache buffer
Height (max)
Width (max)
Length (max)
Weight (max) grams / lb.
Average latency (msec)
Power-on to ready (typical)
Standby to ready (typical)
Track-to-track seek time (msec typical)
Average seek, read (msec typical)
Average seek, write (msec typical)
Startup current (typical) 12V (peak)
Seek power (typical) watts
Operating power (typical) watts
Idle mode (typical) watts
Standby mode (typical) watts
Sleep mode
Voltage tolerance
(including noise)
Ambient temperature
4
avg)
ST3400832AS
400
781,422,768
512
63
16
16,383
763,000
120,000
91,560
7,200
95
65
150
PIO modes 0–4
Multiword DMA modes 0–2
Ultra DMA modes 0–6
1.5 Gbits/sec
8 Mbytes
26.11 mm (1.028 inches)
101.85 mm (4.010 inches)
146.99 mm (5.787 inches)
635 / 1.39
4.16
10 sec
10 sec
0.8 (read), 1.0 (write)
8.0
9.0
2.8 amps
9.9
9.2
7.2
1.2
1.2
5V ± 5%
12V ± 10%
0° to 60°C (op.)
–40° to 70°C (nonop.)
Barracuda 7200.8 Serial ATA Product Manual, Rev. D
ST3400632AS
16 Mbytes