Seagate BARRACUDA ST31000524AS User Manual
Page 13
Barracuda SATA Product Manual, Rev. A
13
Drive Specifications
Areal density (avg.)
329Gb/in
2
329Gb/in
2
Spindle speed
7200 RPM
7200 RPM
Internal data transfer rate (max)
1695Mb/s
1695Mb/s
Sustained data transfer rate OD (max)
125MB/s
125MB/s
I/O data-transfer rate (max.)
600MB/s
600MB/s
ATA data-transfer modes supported
PIO modes: 0 to 4
Multiword DMA modes: 0 to 2
Ultra DMA modes: 0 to 6
PIO modes: 0 to 4
Multiword DMA modes: 0 to 2
Ultra DMA modes: 0 to 6
Cache buffer
16MB
16MB
Height (max)
19.98mm / 0.787 in
19.98mm / 0.787 in
Width (max)
101.6mm / 4.0 in (+ 0.010 in)
101.6mm / 4.0 in (+ 0.010 in)
Length (max)
146.99mm / 5.787 in
146.99mm / 5.787 in
Weight (typical)
415g / 0.915 lb
415g / 0.915 lb
Average latency
4.16ms
4.16ms
Power-on to ready (max)
<8.5s
<8.5s
Standby to ready (max)
<8.5s
<8.5s
Track-to-track seek time (typical)
<1.0ms read;
<1.2ms write
<1.0ms read;
<1.2ms write
Average seek, read (typical)
<8.5ms
<8.5ms
Average seek, write (typical)
<9.5ms
<9.5ms
Startup current (typical) 12V (peak)
2.0A
2.0A
Voltage tolerance (including noise)
5V +10% / -7.5%
12V +10% / -7.5%
5V +10% / -7.5%
12V +10% / -7.5%
Ambient temperature
0° to 60°C (operating)
–40° to 70°C (non-operating)
0° to 60°C (operating)
–40° to 70°C (non-operating)
Temperature gradient
20°C per hour max (operating)
30°C per hour max (non-operating)
20°C per hour max (operating)
30°C per hour max (non-operating)
Relative humidity
5% to 95% (operating)
5% to 95% (non-operating)
5% to 95% (operating)
5% to 95% (non-operating)
Relative humidity gradient (max)
30% per hour
30% per hour
Wet bulb temperature (max)
37.7°C (operating)
40.0°C (non-operating)
37.7°C (operating)
40.0°C (non-operating)
Altitude, operating
–304.8m to 3,048m
(–1000 ft to 10,000+ ft)
–304.8m to 3,048m
(–1000 ft to 10,000+ ft)
Altitude, non-operating
(below mean sea level, max)
–304.8m to 12,192m
(–1000 ft to 40,000+ ft)
–304.8m to 12,192m
(–1000 ft to 40,000+ ft)
Operational Shock (max)
70 Gs at 2ms
70 Gs at 2ms
Non-Operational Shock (max)
350 Gs at 2ms
350 Gs at 2ms
Vibration, operating
2Hz to 22Hz: 0.25 Gs, Limited displacement
22Hz to 350Hz: 0.50 Gs
350Hz to 500Hz: 0.25 Gs
2Hz to 22Hz: 0.25 Gs, Limited displacement
22Hz to 350Hz: 0.50 Gs
350Hz to 500Hz: 0.25 Gs
Vibration, non-operating
5Hz to 22Hz: 3.0 Gs
22Hz to 350Hz: 3.0 Gs
350Hz to 500Hz: 3.0 Gs
5Hz to 22Hz: 3.0 Gs
22Hz to 350Hz: 3.0 Gs
350Hz to 500Hz: 3.0 Gs
Drive acoustics, sound power
Idle**
2.6 bels (typical)
2.7 bels (max)
2.6 bels (typical)
2.7 bels (max)
Seek
2.8 bels (typical)
3.0 bels (max)
2.8 bels (typical)
3.0 bels (max)
Non-recoverable read errors
1 per 10
14
bits read
1 per 10
14
bits read
Table 2 Drive specifications summary for 500GB and 320 models (continued)
Drive specification
ST3500413AS ST3320413AS